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Silan Semiconductors COMPANDER DESCRIPTION SA8507 is a automatic gain control system that is used for dynamic range compression and expansion. According to the companding the signal, this can reduce the noise components. SA8507 includes compressor, expander, pre-amp, filter amp, limiter and mute/bypath logic. SA8507 DIP-20 FEATURES * Wide supply voltage: 2.4V ~ 7V * Easy gain control * Mute/bypath logic * Data in/out pin SOP-20 ORDERING INFORMATION SA8507D SA8507S DIP-20-300 Package SOP-20-375 Package PIN CONFIGURATION FO FI CO DI AGIC CRC CPICPI+ CB 1 2 3 20 Vcc 19 EO 18 ERC SA8507 4 5 6 7 8 9 17 DO 16 EPI15 EPI+ 14 EB 13 EMUTE 12 BYPATH 11 CMUTE GND 10 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD REV: 1.1 2001-11-30 1 Silan Semiconductors BLOCK DIAGRAM AGIC 5 CRC 6 Rectifier Byath Variable Resistor Compressor Mute CPICPI+ 7 8 Summing AMP Byath EPI- 16 EPI+ 15 + Variable Resistor Summing AMP Expandor Mute 19 EO DI 4 CO 3 Compressor Output Buffer FI 2 + - SA8507 1 FO + - Limiter 11 CMUTE Logic 12 BYPATH 13 EMUTE Rectifier Bias Circuit 9 14 10 20 Vcc 17 DO 18 ERC CB EB GND ABSOLUTE MAXIMUM RATINGS(Ta=25C ) Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature SA8507D SA8507S Symbol VCC PD TOPR TSTG Value 10 1000 410 -22 ~ +70 -55 ~ +150 Unit V mW mW C C ELECTRICAL CHARACTERISTICS (Ta=25C) Characteristic Operating Voltage Operating Current Symbol VCC ICC VO(COMP) -- Test Condition Min --240 -0.5 -1.0 -1.5 --60 1.15 Typ. 2.4 4.0 300 0 0 0 0.5 3.0 80 1.35 Max 7.0 6.5 360 +0.5 +1.0 +1.5 1.0 5.5 -1.50 Unit V mA mVrms dB dB % mVrns dB Vrms DC ELECTRICAL CHARACTERISTICS No Signal Vin=12.5mV COMPRESSOR PART Standard Output Voltage Gain Deference Bypath Gain Difference Output Distortion Noise Output Voltage Mute Attenuation Radio Maximum Voltage GV1(COMP) Vin=-20dB(300mV=0dB) GV2(COMP) Vin=-40dB GVB(COMP) Vout=0dB, BYPATH=GND THDCOMP Vin=0dB VNO(COMP) Rg=620hm ATTMUTE Vout Vin=0dB, CMUTE=GND -- (To be continued) HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD REV: 1.1 2001-11-30 2 Silan Semiconductors (Continued) SA8507 Test Condition Vin=30mVrms=0dB Vin=-10dB Vin=-20dB Vin=-30dB Vin=0dB, BYPATH=GND Vin=0dB Rg=620hm Vin=0dB, EMUTE=GND THD=10% Characteristic EXPANDER PART Standard Output Level (0dB) Gain Difference Bypath Gain Difference Output Distortion Noise Output Voltage Mute Attenuation Ratio Max. Output Voltage Symbol VO(EXP) GV1(EXP) GV2(EXP) GV3(EXP) GVB(EXP) THDEXP VNO(EXP) ATTMUTE VOEXP(MAX) Min 110 -0.5 -1.0 -1.5 -2.5 --60 700 Typ. 130 0 0 0 0 0.5 10.0 80 800 Max 160 +0.5 +1.0 +2.0 +0.5 1.5 30.0 --- Unit mVrms dB dB % Vrms dB mVrms PIN DESCRIPTION Pin No. 1 2 3 4 5 6 7 8 9 10 Symbol FO FI CO DI AGIC CRC CPICPI+ CB GND Description Filter Amp Output Filter Amp Input Compressor Output Data Input AC Gain Infinity Capacitor Compressor Rectifier Capacitor Compressor Inverting Input Compressor Non-inverting Input Compressor Reference Bias Ground Pin No. 11 12 13 14 15 16 17 18 19 20 Symbol CMUTE BYPATH EMUTE EB EPI+ EPIDO ERC EO Vcc Description Compressor Mute No Companding Expander Mute Expander Reference Bias Expander Non-inverting Input Expander Inverting Input Data Output Expander Rectifier Capacitor Expander Output Supply Voltage HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD REV: 1.1 2001-11-30 3 Silan Semiconductors TEST CIRCUIT COMP OUT 10k 100k 1F SA8507 1 2 FO FI CO DI AGIC CRC CPICPI+ CB Vcc 20 EO 19 ERC 18 DO 17 2.2uF Vcc 10uF EXP OUT 1.0uF 1F 3 4 22uF 2.2uF 0.47uF 9.1k 474 COMP IN 4.7uF 620 5 6 7 8 9 SA8507B 51k 50pF 100k 620 1.0F EXP IN EPI- 16 EPI+ 15 EB 14 EMUTE 13 474 100k SW3 SW2 SW1 BYPATH 12 CMUTE 11 10 GND APPLICATION CIRCUIT Data Output Speaker 0.47F Expander Input Expander Mute Compressor Mute 473 2.2F 47F Vcc 473 10k 33k 47k 20 19 18 17 + + 16 104 390k 15 10F 14 REG 13 12 LOGIC 11 Exp + 1 101 104 33k 5.6k TO TX Modulation + REG 2 120k 3 39k 4 473 33k 22F 5 22F 6 8.2k 1F 7 223 8 2.2k 9 10 132 103 MC HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD REV: 1.1 2001-11-30 4 Silan Semiconductors PACKAGE OUTLINE SA8507 UNIT: mm 2.54 DIP-20-300-2.54 6.40 1.50 22.95 7.62 15 degree 3.51 0.46 SOP-20-375-1.27 3.30 5.08 UNIT: mm 10.45 7.70 1.27 18.02 17.62 0.41 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD REV: 1.1 2001-11-30 5 1.95 9.53 0.25 |
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