AD1882 DSH-202010B AD1882JCPZ EIA-JESD51 EIA-JESD51-7 0221401F 901701F0

High Definition Audio Codec Data Sheet DSH-202010B December 2009 Ordering Information Device Set Order ID AD1882JCPZ* Package

AD1882 AD1882 High Definition Audio Codec Data Sheet DSH-202010B DSH-202010B December 2009 Ordering Information Device Set Order ID AD1882JCPZ AD1882JCPZ* Package Type QFN Operating Temperature Package 48-Lead QFN, 7x7 mm 0°C to 70°C *Lead-free (Pb Free) and RoHS compliant Revision History Revision Date Description A February 27, 2009 Initial release B December 22, 2009 Revision B release © 2009, Conexant Systems, Inc. All Rights Reserved. Information in this document is provided in connection with Conexant Systems, Inc. ("Conexant") products. These materials are provided by Conexant as a service to its customers and may be used for informational purposes only. Conexant assumes no responsibility for errors or omissions in these materials. Conexant may make changes to this document at any time, without notice. Conexant advises all customers to ensure that they have the latest version of this document and to verify, before placing orders, that information being relied on is current and complete. Conexant makes no commitment to update the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to its specifications and product descriptions. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Conexant's Terms and Conditions of Sale for such products, Conexant assumes no liability whatsoever. THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, RELATING TO SALE AND/OR USE OF CONEXANT PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, CONSEQUENTIAL OR INCIDENTAL DAMAGES, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. CONEXANT FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. CONEXANT SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS, WHICH MAY RESULT FROM THE USE OF THESE MATERIALS. Conexant products are not intended for use in medical, lifesaving or life sustaining applications. Conexant customers using or selling Conexant products for use in such applications do so at their own risk and agree to fully indemnify Conexant for any damages resulting from such improper use or sale. The following are trademarks of Conexant Systems, Inc.: Conexant® and the Conexant C symbol. Product names or services listed in this publication are for identification purposes only, and may be trademarks of third parties. Third-party brands and names are the property of their respective owners. For additional disclaimer information, please consult Conexant's Legal Information posted at www.conexant.com which is incorporated by reference. Conexant Lead-free products are China RoHS Compliant: Reader Response: Conexant strives to produce quality documentation and welcomes your feedback. Please send comments and suggestions to tech.pubs@conexant.com. For technical questions, contact your local Conexant sales office or field applications engineer. 2 Conexant DSH-202010B DSH-202010B 12/22/09 AD1882 AD1882 High Definition Audio Codec The AD1882 AD1882 audio codec and software provide superior HD audio quality that exceeds Vista Premium performance. The AD1882 AD1882 has six DACs and four ADCs, two stereo headphone ports, C/LFE swapping, digital and analog PCBeep, and S/ PDIF output, making the AD1882 AD1882 the right choice for desktop PCs where performance is the primary consideration. The jack re-tasking feature on this product supports various configurations, including platforms for 5.1 on five or three jacks, and front panel jack re-tasking. The AD1882 AD1882 is available in a 48-lead RoHS compliant lead frame chip scale package in both reels and trays. See the Ordering Information table on the previous page. Optional Software Features The AD1882 AD1882 audio codec also supports the following additional software features: Voice input enhancements: Andrea Electronics best-in-class noise reduction, beam forming, and echo cancellation Output enhancements: Sensaura/Sonic Focus, spreading/downmixing, MP3 refinement, adaptive dynamics, compressor/limiter, speaker/graphic EQ, Voice Clarity/X-MatrixTM, AGC, UI tuning tools DTS®, SRS®, Virage Logic's Sonic FocusTM Functional Block Diagram Digital PCBeep DAC0 DAC1 DAC2 Port G MONO OUT HD Audio Interface Port F HP HP Port D Port A ADC0 Port C Port E PCBeep Port B CD IN ADC1 DSH-202010B DSH-202010B 12/22/09 Conexant Distinguishing Features 2 stereo headphone amplifiers Microsoft Vista Premium logo for notebook and desktop 95 dB audio outputs, 90 dB audio inputs Internal 32-bit arithmetic for greater accuracy Impedance and presence detection on all jack pins Digital synthesis PCBeep C/LFE channel swapping 2 General-Purpose I/O (GPIO) Digital pins Advanced power management modes EAPD control for internal speakers 48-lead, Pb-free QFN package Six 96 kHz DACs 3 independent stereo DAC pairs Independent 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, and 96 kHz sample rates 16-, 20-, and 24-bit PCM resolution Selectable stereo mixer on outputs Four 96 kHz ADCs 2 independent stereo ADC pairs Simultaneous record of up to 4 channels Independent 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, and 96 kHz sample rates 16-, 20-, and 24-bit resolution S/PDIF Output Supports 44.1 kHz, 48, kHz 88.2 kHz, and 96 kHz sample rates 16-, 20-, and 24-bit data widths; PCM and AC3 formats Digital PCM gain control Dedicated Auxiliary Pins Stereo CD input w/GND sense Mono out pin for internal speakers or telephony Analog PCBeep input pin 3 4 Conexant DSH-202010B DSH-202010B 12/22/09 Contents Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1 High Definition Audio Codec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.1 1.2 1.3 1.4 1.5 1.6 DSH-202010B DSH-202010B 12/22/09 Jack Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1.2.1 HD Audio Link Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1.2.2 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1.2.3 Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Pin Configuration and Functional Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 HD Audio Widgets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 HD Audio Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Conexant 5 AD1882 AD1882 Data Sheet 6 Conexant DSH-202010B DSH-202010B 12/22/09 Figures Figure 1. Figure 2. DSH-202010B DSH-202010B 12/22/09 AD1882 AD1882 Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Conexant Preliminary Information/Conexant Proprietary and Confidential TESTING 999 7 AD1882 AD1882 Data Sheet 8 Conexant Preliminary Information/Conexant Proprietary and Confidential TESTING 999 DSH-202010B DSH-202010B 12/22/09 Tables Table 1. Table 2. Table 4. Table 5. Table 3. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Table 12. Table 13. DSH-202010B DSH-202010B 12/22/09 Typical Desktop Configuration with Discreet Jacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Typical Desktop Configuration with 5.1 on 3 Jacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Typical Notebook Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 AD1882 AD1882 General Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Power-Down States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 HD Audio Widgets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Root and Function Node Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Subsystem ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Default Configuration Bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Conexant Preliminary Information/Conexant Proprietary and Confidential 9 Tables 10 AD1882 AD1882 Data Sheet Conexant Preliminary Information/Conexant Proprietary and Confidential DSH-202010B DSH-202010B 12/22/09 1 High Definition Audio Codec This data sheet provides a general overview of the AD1882 AD1882 codec's architecture and functionality. Additional information on the AD1882 AD1882 is available in the AD1882 AD1882 Programmers Reference Manual. Please contact your local Conexant sales representative for more information. 1.1 Jack Configuration Use the guidelines shown in Tables 1 through 3 when selecting ports for particular functions. Table 1. Typical Desktop Configuration with Discreet Jacks Port Function Port A Port B Front Panel Microphone Port C Rear Panel Line-In Port D Rear Panel Line-Out/Headphone Port E Rear Panel Microphone Port F Rear Panel Surround Port G Table 2. Front Panel Headphone Rear Panel C/LFE Typical Desktop Configuration with 5.1 on 3 Jacks Port Function Port A Port B Rear Panel Line-In/Surround Port D Rear Panel Line-Out/Headphone Port E 12/22/09 Front Panel Microphone Port C DSH-202010B DSH-202010B Front Panel Headphone Rear Panel Microphone / C/LFE Conexant 11 High Definition Audio Codec AD1882 AD1882 Data Sheet Table 3. Typical Notebook Configuration Port Function Port A Port B Internal Microphone Port D Internal Stereo Speakers Port E Table 4. Microphone Port C 1.2 Headphone Docking Station Line-In/Microphone Specifications Test Conditions Parameter Test Condition Temperature Digital Supply Analog Supply MIC_BIAS_IN (via Low-Pass Filter) Sample Rate fS Input Signal (Frequency Sine Wave) Amplitude for THD + N Analog Output Pass Band 25°C 3.3 V 3.3 V 5.0 V 48 kHz 1008 Hz 3.0 dB Full Scale 20 Hz to 20 kHz DAC 10 k Output Load: Line Out Tests 32 Output Load: Headphone Tests ADC 0 dB Gain Table 5. Performance Parameter Min Typ Max Unit Line-Out Drive (10 k Loads-DAC to Pin) Total Harmonic Distortion (THD + N) Dynamic Range (60 dB in Ref to fS A-Weighted) Signal-to-Noise Ratio 85 95 95 dB dB dB Headphone Drive (32 Loads-DAC to Pin) Total Harmonic Distortion (THD + N) Dynamic Range (60 dB in Ref to fS A-Weighted) Signal-to-Noise Ratio 83 95 95 dB dB dB Input Ports (Pin to ADC, Mic Boost = 0 dB) Total Harmonic Distortion (THD + N) Dynamic Range (60 dB in Ref to fS A-Weighted) Signal-to-Noise Ratio 81 90 90 dB dB dB 12 Conexant DSH-202010B DSH-202010B 12/22/09 AD1882 AD1882 Data Sheet Table 6. High Definition Audio Codec AD1882 AD1882 General Specifications (1 of 3) Parameter Min Typ Max Unit Digital Decimation and Interpolation Filters-fS = 8 kHz to 192 kHz(1) Pass Band 0 0.4 fS ±0.005 Pass-Band Ripple Stop Band Hz dB 0.6 fS Hz Stop-Band Rejection 100 dB Group Delay +20 1/fS Group Delay Variation Over Pass Band 0 µs 24 Bits Analog-to-Digital Converters Resolution Gain Error (Full-Scale Span Relative to Nominal Input Voltage)(2) ±10 % Interchannel Gain Mismatch (Difference of Gain Errors) ±0.5 dB ADC Offset Error(1) ±5 mV ADC Crosstalk(1) Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L) 85 Line Inputs to Other 100 dB 80 dB Digital to Analog Converters Resolution 24 Bits Gain Error (Full-Scale Span Relative to Nominal Input Voltage)(1) ±10 % Interchannel Gain Mismatch (Difference of Gain Errors) ±0.5 dB Total Audible Out-of-Band Energy (Measured from 0.6 × fS to 100 kHz)(1) 85 dB DAC Crosstalk (Input L, Zero R, Read R_OUT; Input R, Zero L, Read L_OUT)(1) 95 dB 1.5 dB DAC Volumes Step Size (DAC-0, DAC-1, DAC-2) Output Gain/Attenuation Range 58.5 Mute Attenuation of 0 dB Fundamental(1) 0 dB 80 dB 1.5 dB ADC Volumes Step Size (ADCSEL-0, ADCSEL-1) PGA Gain/Attenuation Range 58.5 Mute Attenuation of 0 dB Fundamental(1) DSH-202010B DSH-202010B 12/22/09 +22.5 80 Conexant dB dB 13 High Definition Audio Codec Table 6. AD1882 AD1882 Data Sheet AD1882 AD1882 General Specifications (2 of 3) Parameter Min Typ Max Unit Analog Mixer Signal-to-Noise Ratio (SNR) Input to Output CD to Port D Output Port B, C, or E to Port D Output Port A to Port D Output Port D to Port A Output 95 95 95 95 95 dB dB dB dB dB Step Size: All Mixer Inputs 1.5 dB Input Gain/Attenuation Range: All Mixer Inputs 34.5 +12.0 dB Analog Line Level Outputs Full-Scale Output Voltage 1.0 Ports C, E, F, and G Mono Out Vrms(2) 1.0 2.83 V p-p (1) 300 Output Impedance External Load Impedance(1) 10 Output Capacitance(1) k 15 External Load Capacitance(1) pF 1000 pF Analog HP Drive Outputs 1.0 Ports A and D Vrms(3) 2.83 Full-Scale Output Voltage V p-p (1) 0.5 Output Impedance (1) External Load Impedance Output Capacitance(1) 32 15 External Load Capacitance(1) pF 1000 pF Analog Inputs 1 2.83 Vrms(3) V p-p Boost = 0 dB 1 2.83 Vrms(3) V p-p Boost = 10 dB 0.316 0.894 Vrms(3) V p-p Boost = 20 dB 0.1 0.283 Vrms(3) V p-p Boost = 30 dB 0.032 0.089 Vrms(3) V p-p Input Impedance(1) 20 Vrms(3) V p-p Input Capacitance(1) 5 CD, Port D (When Used as Input) Microphone Boost Amplifier, Ports B, C, or E (When Used as Inputs) 14 Conexant 7.5 pF DSH-202010B DSH-202010B 12/22/09 AD1882 AD1882 Data Sheet Table 6. High Definition Audio Codec AD1882 AD1882 General Specifications (3 of 3) Parameter Min Typ Max Unit Digital GPIO Pins: GPIO_0, GPIO_1/EAPD DVIO × 0.60 Input Signal High (VIH) Input Signal Low (VIL) DVIO V DVIO × 0.24 V 0 Input Leakage Current (Signal High, (IIH) 150 nA Input Leakage Current (Signal Low, (IIL) 50 A Output Signal High (VOH) IOUT = 500 A Output Signal Low (VOL) IOUT = +1500 A DVIO × 0.72 DVIO V DVIO × 0.10 V 0 S/PDIF_OUT Output Signal High (VOH) IOUT = 500 A Output Signal Low (VOL) IOUT = +1500 A DVIO × 0.72 DVIO V DVIO × 0.10 V 0 Power Supply Analog (AVDD) 3.3 V ± 5% 3.13 Power Supply Range Power Dissipation Supply Current Digital I/O (DVIO) 3.3 V ± 10% Power Supply Range Power Dissipation Supply Current Power Supply Rejection (100 mV p-p Signal @ 1 kHz)(1) 3.46 V mW mA 3.30 162 49 3.63 V mW mA 2.97 Digital (DVDD) 3.3 V ± 10% 3.30 116 35 2.97 Power Supply Range Power Dissipation Supply Current 3.30 3.96 1.20 3.63 V mW mA 80 dB FOOTNOTES: (1) Guaranteed but not tested. (2) Measurements reflect ADC. (3) RMS values assume sine wave input. DSH-202010B DSH-202010B 12/22/09 Conexant 15 High Definition Audio Codec 1.2.1 AD1882 AD1882 Data Sheet HD Audio Link Specifications HD Audio signals comply with the High Definition Audio specifications. Please refer to these specifications at www.intel.com/standards/hdaudio. Table 7. Power-Down States Parameter IDVDD Typ IAVDD Typ Unit Function Node In D0, All Nodes Active 49 35 mA Function Node in D3 16 0.7 mA Codec in RESET 3 3 mA 6 5 0 0 6 4.4 3 1.0 mA mA mA mA Individual block power savings DAC Pair Powered Down Saves (Each) ADC Pair Powered Down Saves (Each) Mixer Power Control (and Associated Amps) Saves MIC_BIAS Powered Down Saves(1) FOOTNOTES: (1) Powering down the MIC_BIAS powers down all port MIC_BIAS pins. This disables all microphone bias circuits set to 100% or 50%, setting them to the high-Z state. The 0 and high-Z states remain unaffected by the MIC_BIAS power state. 16 Conexant DSH-202010B DSH-202010B 12/22/09 AD1882 AD1882 Data Sheet 1.2.2 High Definition Audio Codec Absolute Maximum Ratings Stresses greater than those listed below may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Table 8. Absolute Maximum Ratings Power Supplies Rating Digital (DVDD) 0.30 V to +3.65 V Digital I/O (DVIO) 0.30 V to +3.65 V Analog (AVDD) 0.30 V to +3.65 V Input Current (Except Supply Pins) ±10.0 mA Analog Input Voltage (Signal Pins) 0.30 V to AVDD + 0.3 V Digital Input Voltage (Signal Pins) 0.30 V to DVIO + 0.3 V Ambient Temperature (Operating) 0°C to +70°C Storage Temperature 65°C to +150°C Electrostatic Discharge Device (ESD) CAUTION 1.2.3 Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality. Environmental Conditions Ambient Temperature Rating: TAMB = TCASE (PD × CA) TCASE = case temperature in °C PD = power dissipation in W CA = thermal resistance (case-to-ambient) JA = thermal resistance (junction-to-ambient) JC = thermal resistance (junction-to-case) All measurements per EIA-JESD51 EIA-JESD51 with 2S2P test board per EIA-JESD51-7 EIA-JESD51-7. JA Package QFN DSH-202010B DSH-202010B 12/22/09 47 JC 15 CA 32 Conexant Unit °C/W 17 High Definition Audio Codec 43 RESERVED (NC) 44 AV DD 45 PORT-A_L PORT-G_L 46 MONO_OUT PORT-G_R 47 AVSS RESERVED (NC) 48 PORT-A_R RESERVED (NC) AD1882 AD1882 Pinout S/PDIF-OUT Figure 1. Pin Configuration and Functional Descriptions GPIO_1/EAPD 1.3 AD1882 AD1882 Data Sheet 42 41 40 39 38 37 DV CORE 1 36 PORT-D_R GPIO_0 2 35 PORT-D_L DV I/O 3 34 SENSE_B/SRC_A DV SS 4 33 MIC_BIAS_IN 32 RESERVED (NC) 31 MIC_BIAS-E SDATA_OUT 5 BIT_CLK 6 DV SS AD1882JCPZ AD1882JCPZ TOP VIEW 30 7 (Not To Scale) RESERVED (NC) MIC_BIAS-C 8 29 DV DD 9 28 MIC_BIAS-B SYNC 10 27 VREF_FLT AVSS AV DD SDATA_IN 18 20 21 22 23 24 PORT-C_L PORT-C_R 19 PORT-B_R 18 CD_R 17 PORT-B_L 16 CD_GND 15 CD_L 14 PORT-F_R 13 PORT-F_L 25 PORT-E_L PCBEEP 12 PORT-E_R 11 SENSE_A/SRC_B RESET 26 Conexant DSH-202010B DSH-202010B 12/22/09 AD1882 AD1882 Data Sheet Table 9. High Definition Audio Codec Pin Descriptions (1 of 2) Mnemonic Function Pin No. Description Digital Interface SDATA_OUT 5 I Link Serial Data Output. AD1882 AD1882 input stream. Clocked on both edges of the BIT_CLK. BIT_CLK 6 I Link Bit Clock. 24.000 MHz serial data clock. SDATA_IN 8 I/O Link Serial Data Input. AD1882 AD1882 output stream Clocked only on one edge of BIT_CLK. SYNC 10 I Link Frame Sync. RESET 11 I Link Reset. AD1882 AD1882 master hardware reset Digital I/O GPIO_0 2 I/O General-Purpose Input/Output Pin. Digital signal used to control external circuitry. GPIO_1/EAPD 47 I/O General-Purpose Input/Output Pin/EAPD Pin. Digital signal used to control external circuitry. Defaults to high-Z. When used as EAPD: high-Z = amp-on, DVSS = amp off. SPDIF_OUT 48 O S/PDIF_OUT. Supports S/PDIF output. JACK SENSE and EAPD SENSE_A/SRC_B SENSE_B/SRC_A 13 34 I/O I/O JACK SENSE A-D Input/Sense B Drive. JACK SENSE E-H Input/Sense A Drive. Analog I/O PCBEEP 12 LI Monaural Input from System for Analog PCBeep. PORT-E_L 14 LI, MIC, LO, SWAP Auxiliary Input/Output Left Channel. PORT-E_R 15 LI, MIC, LO, SWAP Auxiliary Input/Output Right Channel. PORT-F_L 16 I/O Auxiliary Input/Output Left Channel. PORT-F_R 17 I/O Auxiliary Input/Output Right Channel. CD_L 18 LI CD Audio Left Channel. CD_GND 19 LI CD Audio Analog Ground Reference (for Differential CD Input). Must be connected to AGND via 0.1 mF capacitor if not in use as CD_GND. CD_R 20 LI CD Audio Right Channel. PORT-B_L 21 LI, MIC, HP, LO Front Panel Stereo MIC/Line-In. PORT-B_R 22 LI, MIC, HP, LO Front Panel Stereo MIC/Line-In. PORT-C_L 23 LI, MIC, LO Rear Panel Stereo MIC/Line-In. PORT-C_R 24 LI, MIC, LO Rear Panel Stereo MIC/Line-In. DSH-202010B DSH-202010B 12/22/09 Conexant 19 High Definition Audio Codec Table 9. AD1882 AD1882 Data Sheet Pin Descriptions (2 of 2) Mnemonic Function Pin No. Description Analog I/O (continued) PORT-D_L 35 LI, HP, LO Rear Panel Headphone/Line-Out. PORT-D_R 36 LI, HP, LO Rear Panel Headphone/Line-Out. PORT-A_L 39 LI, MIC, HP, LO Front Panel Headphone/Line-Out. MONO_OUT 40 LO Monaural Output to Internal Speaker or Telephony Subsystem Speakerphone. PORT-A_R 41 LI, MIC, HP, LO Front Panel Headphone/Line-Out. PORT-G_L 43 LO, SWAP Rear Panel C/LFE Output. PORT-G_R 44 LO, SWAP Rear Panel C/LFE Output. Filter/Reference MIC_BIAS-B MIC_BIAS-C MIC_BIAS-E 28 29 31 O O O Switchable Microphone Bias. For use with Port B (Pins 21, 22). Switchable Microphone Bias. For use with Port C (Pins 23, 24). Switchable Microphone Bias. For use with Port E (Pins 14, 15). DVCORE 1 O CAUTION: DO NOT APPLY 3.3 V TO THIS PIN! Filter connection for internal core voltage regulator. This pin must be connected to filter caps: 10 F, 1.0 F, and 0.1 F connected in parallel between Pin 1 and DVSS (Pin 4). VREF_FLT 27 O Voltage Reference Filter. This pin must be connected to filter caps: 1.0 F and 0.1 F connected in parallel between Pin 27 and AVSS (Pins 26, 42). Power And Ground DVI/O (3.3V) 3 I Connect to the I/O Voltage Used for the HD Audio Controller Signals. DVSS 4, 7 I Digital Supply Return (Ground). DVDD (3.3 V) 9 I Digital Supply Voltage 3.3 V. This is regulated down to DVCORE on Pin 1 to supply the internal digital core internal to the AD1882 AD1882. AVDD (3.3 V) 25, 38 I CAUTION: DO NOT APPLY 5.0 V TO THESE PINS! Analog supply voltage 3.3 V ONLY. Note: AVDD supplies should be well regulated and filtered as supply noise degrades audio performance. MIC_BIAS_IN 33 I Source Power for Microphone Bias Boost Circuitry. AVSS 26, 42 I Analog Supply Return (Ground). AVSS should be connected to DVSS using a conductive trace under, or close to, the AD1882 AD1882. 20 Conexant DSH-202010B DSH-202010B 12/22/09 AD1882 AD1882 Data Sheet 1.4 High Definition Audio Codec HD Audio Widgets In Table 10 below, node IDs that are not shown are reserved for future use. Table 10. HD Audio Widgets (1 of 2) Node ID Name Type ID Type Description 00 ROOT x Root Device identification 01 FUNCTION x Function Designates this device as an audio codec 02 S/PDIF DAC 0 Audio Output S/PDIF digital stream output interface 03 DAC_0 0 Audio Output Headphone/surround side (7.1) channel digital/audio converters 04 DAC_1 0 Audio Output Stereo front channel digital/audio converters 05 DAC_2 0 Audio Output Stereo C/LFE channel digital/audio converters 08 ADC_0 1 Audio Input Stereo record channel 1 audio/digital converters 09 ADC_1 1 Audio Input Stereo record channel 2 audio/digital converters 0B S/PDIF Mix Selector 3 Audio Selector Selects which ADC drives the S/PDIF mixer 0C ADC Selector 0 3 Audio Selector Selects and amplifies/attenuates the input to ADC_0 0D ADC Selector 1 3 Audio Selector Selects and amplifies/attenuates the input to ADC_1 10 Digital Beep 7 Beep Generator Internal digital PCBeep signal 11 Port A (Headphone) 4 Pin Complex Front panel headphone/microphone jack 12 Port D (Front L/R) 4 Pin Complex Rear panel front/headphone jack 13 Mono Out 4 Pin Complex Monaural output pin (internal speakers or telephony system) 14 Port B (Front Mic) 4 Pin Complex Front panel microphone/headphone jack 15 Port C (Line In) 4 Pin Complex Rear panel line-in jack 16 Port F (Surr Back) 4 Pin Complex Rear panel surround-rear (5.1) jack 17 Port E (Rear Mic) 4 Pin Complex Rear panel mic jack 18 CD In 4 Pin Complex Analog CD input 19 Mixer Power-Down 5 Power Widget Powers down the analog mixer and associated amps 1A Analog PCBeep 4 Pin Complex External analog PCBeep signal input 1B S/PDIF Out 4 Pin Complex S/PDIF output pin 1D S/PDIF Mixer 2 Audio Mixer Mixes the selected ADC with the digital stream to drive S/PDIF out 1E Mono Out Mixer 2 Audio Mixer Selects which source drives the mono out signal 20 Analog Mixer 2 Audio Mixer Mixes individually gainable analog inputs DSH-202010B DSH-202010B 12/22/09 Conexant 21 High Definition Audio Codec Table 10. Node ID AD1882 AD1882 Data Sheet HD Audio Widgets (2 of 2) Name Type ID Type Description 21 Mixer Output Atten 3 Audio Selector Attenuates the mixer output to drive the Port mixers 22 Port A Mixer 2 Audio Mixer Mixes the Port A selected DAC and mixer output amps to drive Port A 23 VREF Power-Down F Vendor Defined Powers down the internal and external VREF circuitry 24 Port G (C/LFE) 4 Pin Complex Rear panel C/LFE jack 26 Port E Mixer 2 Audio Mixer Mixes DAC_1 and mixer output amps to drive Port E 27 Port G Mixer 2 Audio Mixer Mixes DAC_1 and mixer output amps to drive Port G 29 Port D Mixer 2 Audio Mixer Mixes DAC_0 and mixer output amps to drive Port D 2A Port F Mixer 2 Audio Mixer Mixes DAC_2 and mixer output amps to drive Port F 2C Port C Mixer 2 Audio Mixer Mixes the Port C selected DAC and mixer output amps to drive Port C 2D Stereo Mix Down 2 Audio Mixer Mixes the stereo L/R channels to drive mono output 2F BIAS Power-Down F Vendor Defined Powers down the internal MIC_BIAS_FILT and all MIC_BIAS pins 37 Port A Out Selector 3 Audio Selector Selects the Port A DAC (0, 1) 39 Port B Boost 3 Audio Selector Microphone boost amp for Port B 3A Port C Boost 3 Audio Selector Microphone boost amp for Port C 3C Port E Boost 3 Audio Selector Microphone boost amp for Port E 22 Conexant DSH-202010B DSH-202010B 12/22/09 AD1882 AD1882 Data Sheet 1.5 High Definition Audio Codec HD Audio Parameters The SSID value is set on codec power-up only. SSID is not reset by link or soft reset in order to preserve modifications by BIOS control. Table 11. Root and Function Node Parameters Node ID Vendor ID 00 Revision ID 02(1) 0x11D4 1882 00 ROOT 01 Sub Node Count 04 0x0010 0300 Name 03 FUNCTION Func. Group Type 05 Audio F.G. Caps 08 GPIO Caps 11 0x0001 0C0C 0x4000 0002 0x0001 0001 0x0002 003B 0x0000 0001 FOOTNOTES: (1) Subject to change with silicon stepping. Table 12. Subsystem ID Node ID Name 0x01 Type FUNCTION 31:16 SSID Value Function 0xBFD2 0000 15:8 SKU 0xBFD2 7:0 ASM ID 0x00 0x00 GENERAL NOTES: 1. The default SSID is over-written by platform BIOS after power on. It is preserved across HD Audio link reset and verb reset. In Table 13, default configuration values are set on codec power-up only. Default configuration values are not reset by link or soft reset to preserve modifications by BIOS control. Table 13. Default Configuration Bytes 31:30 Name 29:28 27:24 23:20 19:16 15:12 8 7:4 3:0 JD Over Ride Def Assn Sequence Location Value Connectivity Misc. Chasis Position Def. Device Conn Type Color Port A (Headphone) 0221401F 0221401F Jack External Front HP Out 1/8" Jack Green 0 1 F Port D (Front L/R) 01014010 Jack External Rear Line Out 1/8" Jack Green 0 1 0 Mono Out 901701F0 901701F0 Fixed Internal N/A Speaker Other Analog Unknown 1 F 0 Port B (Front Mic) 02A190F0 02A190F0 Jack External Front Mic In 1/8" Jack Pink 0 F 0 Port C (Line In) 01813021 Jack External Rear Line In 1/8" Jack Blue 0 2 1 Port F (Surr Back) 01011012 Jack External Rear Line Out 1/8" Jack Black 0 1 2 Port E (Rear Mic) 01A19020 01A19020 Jack External Rear Mic In 1/8" Jack Pink 0 2 0 CD IN 9933012E 9933012E Fixed Internal Special 3 CD ATAPI Unknown 1 2 E Analog PCBeep 90F701F0 90F701F0 Fixed Internal N/A Other Other Analog Unknown 1 F 0 S/PDIF Out 014511F0 014511F0 Jack External Rear SPDIF Out Optical Black 1 F 0 Port G (C/LFE) 01016011 Jack External Rear Line Out 1/8" Jack Orange 0 1 1 DSH-202010B DSH-202010B 12/22/09 Conexant 23 High Definition Audio Codec 1.6 AD1882 AD1882 Data Sheet Package Dimensions Figure 2 provides the package dimensions, shown in millimeters Figure 2. Package Dimensions 48-Lead QFN Package 7 x 7 mm Dimensions shown in millimeters 7.00 BSC SQ 0.60 MAX 0.60 MAX 37 36 PIN 1 INDICATOR TOP VIEW 12° MAX PIN 1 INDICATOR 48 1 EXPOSED PAD 6.75 BSC SQ 5.25 5.10 SQ 4.95 (BOTTOM VIEW) 0.50 0.40 0.30 1.00 0.85 0.80 0.30 0.23 0.18 25 24 12 13 0.25 MIN 5.50 REF 0.80 MAX 0.65 TYP 0.05 MAX 0.02 NOM 0.50 BSC SEATING PLANE 0.20 REF COPLANARITY 0.08 COMPLIANT TO JEDEC STANDARDS MO-220-VKKD-2 MO-220-VKKD-2 24 Conexant DSH-202010B DSH-202010B 12/22/09 www.conexant.com General Information: U.S. and Canada: (888) 855-4562 International: (949) 483-4600 Headquarters Newport Beach 4000 MacArthur Blvd. Newport Beach, CA 92660