AA8227 monolithic dual audio power amplifier with built-in power on/of
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Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER General Description
AA8227 monolithic dual audio power amplifier with built-in power on/off switch. designed portable radio cassette, tape recorder other audio products. Because needs only external components work, audio system adopting AA8227 will have remarkable merit save system space. This available HDIP-12 package.
AA8227 Features
High Power: POUT=2.5W/CH (Typ) RL=4, VCC1=VCC2=9V, THD=10% Built-in Standby Switch Built-in Thermal Shutdown Protection Circuit Popping Noise Power Soft Clip External Components Operating Supply Voltage Range:
Applications
Mini 2.1-CH 5.1-CH Audio Sound System External Audio Power Amplifier Portable Radio Cassette Tape Recorder Active Speaker
HDIP-12
Figure Package Type AA8227
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Configuration
Package (HDIP-12)
VCC2 OUT1 PW_GND Pre_GND
AA8227
VCC1 OUT2 PW_GND RIPPLE
Figure Configuration AA8227 (Top View)
Description
Number Name VCC2 OUT1 Pre_GND RIPPLE OUT2 VCC1 PW_GND Supply voltage Output channel Bootstrap channel Prestage ground Negative feedback channel Input channel Input channel Negative feedback channel Ripple rejection Bootstrap channel Output channel Supply voltage Power ground Function
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Functional Block Diagram
VCC2
AA8227
VCC1
OUT1
RIPPLE
BIAS CIRCUIT THERMAL SHUTDOWN PROTECTION CIRCUIT
PW-GND
OUT2
Pre-GND
Figure Functional Block Diagram AA8227
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Ordering Information
AA8227 Circuit Type Lead Free Package HDIP-12
Temperature Range
AA8227
Package HDIP-12
Part Number AA8227PH-E1
Marking AA8227PH-E1
Packing Type Tube
Semiconductor's Pb-free products, designated with "E1" suffix part number, RoHS compliant.
Absolute Maximum Ratings (Note
Parameter Supply Voltage Peak Output Current (Each Channel) Total Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VCC1, VCC2 (peak) TSTG Value Unit
Note Stresses greater than those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "Recommended Operating Conditions" implied. Exposure "Absolute Maximum Ratings" extended periods affect device reliability.
Recommended Operating Conditions
Parameter
Supply Voltage Operating Ambient Temperature Symbol VCC1, VCC2
Unit
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Electrical Characteristics
(VCC1=VCC2=9V, TA=25oC, RL=4, Rg=600, f=1KHz, unless otherwise specified.)
Parameter Supply Voltage Quiescent Current Quiescent Output Voltage Output Power (Each Channel) Total Harmonic Distortion Closed Loop Voltage Gain Symbol POUT VIN=0 VIN=0 THD=10%, RL=4 THD=10%, RL=3 POUT=0.4W/CH RNF=120, VOUT=0.775Vrms RNF=0, VOUT=0.775Vrms Channel Balance Input Resistance Output Noise Voltage Ripple Rejection Ratio Channel Separation Input Offset Voltage Standby Current Thermal Shutdown Junction Temperature Conditions 56.5 Unit
AA8227
PSRR ISTB SW1=off
mVrms
Rg=10k, BW=20 20kHz
f=100Hz VOUT=0.775Vrms
Typical Voltage (VCC1=VCC2=9V, TA=25oC)
Number Name VCC2 OUT1 Pre_GND RIPPLE OUT2 VCC1 Voltage 0.03 0.03
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Typical Performance Characteristics AA8227
Total Harmonic Distortion
VCC2=5V
VCC2=6V VCC2=7V VCC2=8V VCC2=9V
Total Harmonic Distortion
VCC1=9V RL=4 f=1kHz RNF=120
VCC1=VCC2=9V RL=4 RNF=120
TA=25
TA=25
f=10KHz f=1KHz
f=100Hz
0.01
0.01 0.01
Output Power POUT
Output Power POUT
Figure Total Harmonic Distortion Output Power
Figure Total Harmonic Distortion Output Power
TA=25
VCC1=VCC2=6V
Output Noise Voltage (mVrms)
Total Harmonic Distortion
f=1kHz RL=4 RNF=120
VCC1=VCC2=9V RL=4 RNF=120 BW=20 20kHz TA=25
VCC1=VCC2=9V
0.01
1000
10000
100000
Output Power POUT
Signal Source Resistance
Figure Total Harmonic Distortion Output Power
Figure Output Noise Voltage Signal Source Resistance
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Typical Performance Characteristics (Continued) AA8227
Voltage Gain (dB)
TA=25
Channel Separation (dB)
VCC1=VCC2=9V RL=4 RNF=120
VCC1=VCC2=9V RL=4 Rg=600 RNF=120 VOUT=0.775Vrms TA=25
1000
10000
100000
Frequency (Hz)
Frequency (Hz)
Figure Voltage Gain Frequency
Figure Channel Separation Frequency
Channel Separation (dB)
Output Power POUT
VCC1=VCC2=9V f=1kHz RL=4 RNF=120 VOUT=0.775Vrms (0dBm) TA=25
f=1kHz THD=10% TA=25
RL=4
RL=6
RL=8
1000
10000
100000
Signal Source Resistance
Supply Voltage VCC1, VCC2
Figure Channel Separation Signal Source Resistance
Figure Output Power Supply Voltage
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Typical Performance Characteristics (Continued) AA8227
VCC1=VCC2=12V
Power Dissipation
VCC1=VCC2=12V f=1kHz TA=25
RL=6
Power Dissipation
VCC1=VCC2=9V
RL=8
RL=4 f=1kHz TA=25
Output Power POUT
Output Power POUT
Figure Power Dissipation Output Power
Figure Power Dissipation Output Power
VIN=0
Quiescent Current ICC2 (mA)
Output Voltage
ICC2
Supply Voltage VCC1, VCC2
Supply Voltage VCC2
Figure Quiescent Current Output Voltage Supply Voltage
Figure Quiescent Current Output Voltage Supply Voltage
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Output Voltage
Quiescent Current (mA)
TA=25
VCC1=12V VIN=0 TA=25
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Typical Performance Characteristics (Continued) AA8227
Ripple Rejection Ratio PSRR (dB)
Ripple Rejection Ratio PSRR (dB)
VCC1=VCC2=9V RL=4 Rg=600 RNF=120 TA=25
VCC1=VCC2=9V RL=4 RNF=120 f=100Hz TA=25
1000
10000
100000
1000
10000
100000
Frequency (Hz)
Signal Source Resistance
Figure Ripple Rejection Ratio Frequency
Figure Ripple Rejection Ratio Signal Source Resistance
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Typical Application Circuit AA8227
VCC2
1000µF
100µF
VCC1
100µF
CIN1 IN-1
1000µF
OUT-1
47µF
RNF1
0.15µF 47µF CIN2 IN-2
BIAS CIRCUIT THERMAL SHUTDOWN PROTECTION CIRCUIT
100µF
1000µF
OUT-2
47µF
RNF2
0.15µF
Figure Applicaton Circuit AA8227
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
Preliminary Datasheet DUAL AUDIO POWER AMPLIFIER Mechanical Dimensions HDIP-12 Unit: mm(inch) AA8227
4.060(0.160) 3.100(0.122) 3.500(0.138)
0.510(0.020)MIN
3.000(0.118)MIN 0.219(0.009) 0.460(0.018) 0.560(0.022) 3.000(0.118)TYP 2.540(0.100) 0.339(0.013) 7.620(0.300)
6.150(0.242) 6.550(0.258)
1.524(0.060)TYP 18.900(0.744) 19.300(0.760)
Aug. 2006 Rev.
Semiconductor Manufacturing Limited
http://www.bcdsemi.com
IMPORTANT NOTICE Semiconductor Manufacturing Limited reserves right make changes without further notice products specifications herein. Semiconductor Manufacturing Limited does assume responsibility products particular purpose, does Semiconductor Manufacturing Limited assume liability arising application products circuits. Semiconductor Manufacturing Limited does convey license under patent rights other rights rights others.
MAIN SITE Semiconductor Manufacturing Limited
Wafer Shanghai SIM-BCD Semiconductor Manufacturing Limited 800, Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008
Semiconductor Manufacturing Limited
Design Group Advanced Analog Circuits (Shanghai) Corporation Zone 900, Shan Road, Shanghai 200233, China Tel: +86-21-6495 9539, Fax: +86-21-6485 9673
REGIONAL SALES OFFICE
Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. Shenzhen Office Advanced Analog Circuits (Shanghai) Corporation Shenzhen Office 27B, Tower 2070, Middle Shen Road, Shenzhen 518031, China Tel: +86-755-8368 3987, Fax: +86-755-8368 3166 Taiwan Office Semiconductor (Taiwan) Company Limited 298-1, Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656 2808, Fax: +886-2-2656 2806 Office Semiconductor Corporation 3170 Cruz Blvd., Suite 105, Santa Clara, 95054-2411, U.S.A Tel: +1-408-988 6388, Fax: +1-408-988 6386
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