DM207 DAA2000 DL207 IL388DAA P3100SA CBRHG-06 F1250T MMBT6520 TN2540 IL388 CON20 - Datasheet Archive

 

Modem Side IC for DAA 2000 Package Dimensions in Inches (mm) Integrated Circuit .169 (4.3) .177 (4.5) .007 (.19) .011 (.30) .021

 

DM207 DM207 Modem Side IC for DAA 2000 Package Dimensions in Inches (mm) Integrated Circuit .169 (4.3) .177 (4.5) .007 (.19) .011 (.30) .021 (.55) .029 (.75) .011 (.28) .014 (.38) max. 12° typ. .002 (.06) .005 (.15) .0016 (1.10) .303 (7.70) .311 (7.90) .031 (.80) .041 (1.05) .019 (.50) .029 (.75) .248 (6.3) .255 (6.5) 8° max. FEATURES DESCRIPTION · V.32, V.34, and V.90 (56 Kb/s) Compatibility · Supports Ring Detect and Wake On Ring · On-hook Monitor Provides for Caller ID and Voice/Fax/Data Steer Functions · On-hook Line Voltage Measurement · Line Current Sense · 3.0 Volt (Modem Side) Operation · Low Gain Drift · Universal Applications · 100% Low Profile Surface Mount · Compatible to FCC Part 68 The DM207 DM207 is one component in the DAA2000 DAA2000 circuit, which consists of a DL207 DL207 Line-Side Integrated Circuit, a DM207 DM207 Modem-Side Integrated Circuit and two IL388DAA IL388DAA Linear Optocouplers. When configured along with other components, the final circuit provides a full featured Optical DAA. All of the components in the kit are packaged in easy to assemble, surface mount format. The DM207 DM207 comes in a standard 24-pin TSSOP package. A complete DAA circuit can be assembled directly onto a mother board using less than 2 square inches of board space, eliminating costly special or hand insert operations. The DAA2000 DAA2000 is a full featured Optical DAA that takes into consideration the needs of today's portable and multimedia equipment. Added features of the DAA2000 DAA2000 such as line current sense, snooping and line V/F make the circuit ideal for enhanced modems which support speaker phones, answering machines, simultaneous voice and fax, caller ID and voice/fax/data steering. The DAA2000 DAA2000's unique "Wake on Ring" feature allows it to draw no current when idle until ringing is detected. The DAA2000 DAA2000 circuit may be powered from an unregulated power source such as a battery up to 7.0 volts. Maximum Ratings Supply voltage, VDD­VSS . 7.0 V Input voltage.VSS ­0.5 V to VDD +0.5 V Package dissipation at 25°C ambient .1.2 W Derate linearly from 25°C.0.03 W/°C Storage temperature . ­20°C to +85°C Operating temperature. 0°C to +70°C 2000 Infineon Technologies Corp. · Optoelectronics Division · San Jose, CA www.infineon.com/opto · 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH & Co. OHG · Regensburg, Germany www.osram-os.com · +49-941-202-7178 1 July 14, 2000-14 Table 1. Pin Configurations-DM207 (Modem Side) Pin Symbol I/O Function 1, 24 C1A, C1B 2 VREF 3 C2 4 RXCT O RX Cathode-The receiver photo diode return is connected to pin #7 of the IL388DAA IL388DAA (U3). 5 RXAN I RX Anode-The receive photo diode input and is connected to pin #8 of the IL388DAA IL388DAA (U3). This input is sensitive to noise relative to VSS and should be routed to minimize pickup from other signal sources. 6 ONHKML I On-hook Monitor Low-Logic Low activates the On-hook Monitor function, which includes an internal pull-up resistor. 7 ONHKM I On-hook Monitor-Logic High activates the On-hook Monitor function, which includes an internal pull down resistor. 8 HIN 9 SRVAN I Servo Anode-The transmit servo photo diode input is connected to pin #3 of the IL388DAA IL388DAA (U4). This input is sensitive to noise level relative to VDD and should be routed to minimize pickup from other signal sources. 10 SRVCT O Servo Cathode-The transmit servo photo diode current return and is connected to pin #4 of the IL388DAA IL388DAA (U4). This pin is clamped at 0.8 V. 11 TXAMP I TX Amplifier Input-The current (summing mode) input for transmit audio. This input is at ACREF voltage ±5.0 mV. A 120 k resistor between this point and transmit audio source gives unity voltage gain into the telephone line. 12 VDD P Power supply voltage. 3.0 to 7.0 V. 13 LEDCT O LED Cathode-The transmit linear optocoupler LED cathode is connected to pin #1 of the IL388DAA IL388DAA (U4). The printed circuit board layout should minimize capacitive coupling between this trace and the SRVAN and RXAN traces. Capacitor-A 15 nF capacitor (C1) is tied between pin #1 and pin #24. This controls the RC time constant for the receive optical active bias control. O Internal 1.25 V precision bandgap reference. Active when Off-hook or in On-hook Monitor mode only. Do not load this output with more than 1.0 µA. Capacitor-Typically this 68 nF capacitor (C2) is tied between pin #3 and ground. C2 sets the integrator response for the lowpass filter of the optical active bias circuit. Diagnostic pin. Do not connect. 14 VSS P Power supply return (Ground). 15 AUDOUT O Auxiliary amplifier output- will drive a 300 load. 16 AUDIN I Inverting input for an auxiliary amplifier. The non-inverting input is internally tied to ACREF. 17 TXBIAS O A 25.5 k, 1% resistor to ground sets the transmit DC bias point of U4. 18 ACREF I/O Audio DC reference for transmit and receive signals. 1.25 V reference @ 1.0 µA maximum output. It can be overdriven by connecting an external voltage source. This output is turned off during idle mode (On-hook, and no snoop). 19 RXOUT O Audio Output ­6.0 dB relative to the telephone line. It has 300 drive capability. This output goes to a high impedance state in idle mode. DC voltage is ACREF. 20 OFFHK I OFF-HOOK-Positive assertion Off-hook control input. Includes an internal pull-down resistor. 21 OFFHKL I OFF-HOOK LOW-Negative assertion Off-hook control input. Includes an internal pull-up resistor 22 RNG O RING Detect-In IDLE modes it outputs a 4 ms positive pulse for each full cycle or half cycle depending on the value of pin #7 on the DL207 DL207. In snoop or Off-hook modes, the output is the same as LSTAT. 23 LSTAT O Line Status-In idle mode, this pin outputs a series of pulses whose frequency is directly related to line voltage (V/f function). In snoop or Off-hook modes, the output will give a single pulse if the line current is suddenly decreased indicating a parallel phone going Off-hook. 24 C1A See above ­ pin #1. 2000 Infineon Technologies Corp. · Optoelectronics Division · San Jose, CA www.infineon.com/opto · 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH & Co. OHG · Regensburg, Germany www.osram-os.com · +49-941-202-7178 DM207 DM207 2 July 14, 2000-14 Table 2. DAA Circuit Operating Characteristics, TA=25°C* Parameter Min. Typ. Max. Unit Ring Detection Threshold - 15 - VRMS Ringer Equivalent Load - 0.65 - REN Transmit THD - ­70 - dB Receive THD - ­70 - dB Transmit in band noise - ­80 - dBm Receive in band noise - ­80 - dBm Transmit Frequency Response, ­3.0 dB 100 - 80,000 Hz Receive Frequency Response, ­3.0 dB 100 - 80,000 Hz Transmit Signal Level - - +3.0 dBm Receive Signal Level - - +3.0 dBm Transhybrid Loss 10 20 - dB Return Loss 10 30 - dB Off­hook AC impedance (Fig. 1) - 600 - On­hook AC impedance (Fig. 1) 150 k - - On­hook DC resistance 10 M - - Leakage to ground 100 M - - Transmit Gain ­0.5 0 +0.5 dB Receive Gain ­7.0 ­6.0 ­5.0 dB Loop DC current 15 - 120 mA Current Limit Threshold 130 - 160 mA Isolation Voltage, T & R to ground 2500 - - V Supply Voltage (modem side) 3.0 - 7.0 V Supply Current (modem side, active) - 10 ­ mA Command input level (HIGH) 2.7 - - V Command input level (LOW) - - 0.7 V Note: * Based on Figure 2. Some parameters can be affected by external components. Figure 1. DAA2000 DAA2000 Functional Block Diagram Loop current Current sensor IL388DAA IL388DAA Line status RING detector RX audio Fuse TIP Hybrid network Transient protection IL388DAA IL388DAA RING detector Bias supply RING 1.25 V TX audio HOOK command CALLER ID Hook switch DM207 DM207 DL207 DL207 2000 Infineon Technologies Corp. · Optoelectronics Division · San Jose, CA www.infineon.com/opto · 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH & Co. OHG · Regensburg, Germany www.osram-os.com · +49-941-202-7178 DM207 DM207 3 July 14, 2000-14 4 T R P3100SA P3100SA RV1 C15 1nF 3KV HZ 0805 B601 R L2 C14 1nF 3KV L1 HZ 0805 B 601 R - D1 R2 10M C8 15nF R3 CBRHG-06 CBRHG-06 + 10M 1. All resistors are 0.1W, 5%, 0805 unless otherwise stated. 2. All capacitor values are 10% unless otherwise stated. NOTES: F1 F1250T F1250T RJ11 1 2 3 4 5 6 J1 R1 16.5 1% 150nF C3 R16 10M MMBT6520 MMBT6520 SOT23 Q1 R6 150K R5 150K JP1 1 2 3 4 5 6 7 8 9 10 11 12 C4 27nF C1 15nF R4 56K HLDR VDD LEDCT VSS HLDCAP SRVCT HKP SRVAN HKN HIN LINPWR VFCAP HLFWV ONHKMC LR1 TXAN LR2 TXCT END C2 CEN BIASEN C1A C1B DL207 DL207 U1 R9 3.9 Q2 TN2540 TN2540 SOT89 C2 150nF 24 23 22 21 20 19 18 17 16 15 14 13 C11 68nF C9 4.7nF C12 R12 Jump for Half Wave ring detect 220K 470pF 2000 Infineon Technologies Corp. · Optoelectronics Division · San Jose, CA www.infineon.com/opto · 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH & Co. OHG · Regensburg, Germany www.osram-os.com · +49-941-202-7178 R11 20M 5 6 7 8 4 3 2 1 U4 U3 IL388 IL388 IL388 IL388 ISOLATION BARRIER ISOLATION BARRIER 4 3 2 1 5 6 7 8 1 2 3 4 5 6 7 8 9 10 11 12 C6 15nF 121K R8 C1B C1A VREF LSTAT C2 RNG RXCT OFFHKL RXAN OFFHK ONHKML RXOUT ONHKM ACREF HIN TXBIAS SRVAN AUDIN SRVCT AUDOUT TXAMP VSS VDD DM207 DM207 LEDCT U22 C5 100nF 68nF C13 24 23 22 21 20 19 18 17 16 15 14 13 C18 100nF C20 10µF R14 10K R15 10K R13 27K 1K R10 C19 100nF C21 100nF C17 4.7nF TXA1 TXA2 100nF C16 SNP SNPN VDD T R RXA1 RXA2 VDD ACREF OH OHN RING LSTAT CON20 CON20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J2 GROUND Figure 2. DAA2000 DAA2000 Reference Schematic (North American Version) DM207 DM207 July 14, 2000-14 R7 25.5K 1% C7 68nF C10 470pF