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| UTC 8507 COMPANDER DESCRIPTION LINEAR INTEGRATED CIRCUIT The UTC 8507 is a automatic gain control system that is used for dynamic range compression and expansion. By companding the signal, this can reduce the noise components. The UTC 8507 includes compressor, expander, pre-amp, filter amp, limiter and mute/bypath logic. SOP-20 FEATURES * Wide Supply Voltage (2.4 ~ 7V ) * Easy Gain Control * Mute/Bypath Logic * Data In/Out Pin DIP-20 PIN CONFIGURATION FO 1 FI 2 CO 3 DI 4 AGIC 5 CRC 6 CPI- 7 CPI+ 8 CB 9 GND 10 20 Vcc 19 EO 18 ERC 17 DO 16 EPI15 EPI+ 14 EB 13 EMUTE 12 BYPATH 11 CMUTE UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R123-006,B UTC 8507 PIN DESCRIPTION PIN No. 1 2 3 4 5 6 7 8 9 10 LINEAR INTEGRATED CIRCUIT DESCRIPTON 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 SYMBOL FO FI CO DI AGIC CRC CPICPI+ CB GND 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 BLOCK DIAGRAM AGIC 5 Bypath CRC 6 Rectifier Variable Resistor 5.1K CPI- 7 CPI+ 8 3.3k Compressor Mute Summing Amp CB Bypath EPI- 16 EPI+ 15 13 EMUTE Variable Resistor Rectifier 17 DO 18 ERC Summing Amp Expandor Mute 19 EO Bias Circuit 9 CB 14 EB 10 GND 20 Vcc 11 CMUTE Limiter Logic 12 BYPATH DI 4 CO 3 Compressor Output Buffer FI 2 Filter Amp + 1 Fo - + + ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation DIP-20 SOP-20 Operating Temperature Storage Temperature SYMBOL Vcc PD Topr Tstg RATINGS 10 1000 410 -20 ~ +70 -55 ~ +150 UNIT V mW C C UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R123-006,B UTC 8507 PARAMETER LINEAR INTEGRATED CIRCUIT SYMBOL TEST CONDITIONS No signal Vout=300mVrms=0dB Vin=-20dB Vin=-40dB Vin=0dB,BYPATH=GND Vin=0dB Rg=620 Vin=0dB,CMUTE=GND 8.0 -0.5 -1.0 -1.5 ELECTRICAL CHARACTERISTICS (Vcc=3V,f=1kHz,Ta=25,unless otherwise noted) MIN TYP 2.4 4.0 12.5 0 0 0 0.5 3.0 80 1.35 130 0 0 0 0 0.5 10.0 80 800 MAX 7.0 6.5 17.0 +0.5 +1.0 +1.5 1.0 5.5 1.50 160 +0.5 +1.0 +2.0 +0.5 1.5 30.0 UNIT V mA mVrms dB dB % mVrms dB Vp-p mVrms dB dB % Vrms dB mVrms DC ELECTRICAL CHARACTERISTICS Operating Voltage Vcc Operating Current Icc COMPRESSOR PART Standard Input Voltage (0dB) VI (COMP) Gain Difference Gv1 (COMP) Gv2 (COMP) Bypath Gain Difference GVB (COMP) Output Distortion THD COMP Noise Output Voltage VNO (COMP) Mute Attenuation Ratio ATT MUTE Limiting Voltage VLIM (COMP) EXPANDER PART Standard Output Level (0dB) Vo (EXP) Gv1 (EXP) Gain Difference Gv2 (EXP) Gv3 (EXP) Bypath Gain Difference GvB (EXP) Output Distortion THD EXP Noise Output Voltage VNO (EXP) Mute Attenuation Ratio ATT MUTE Limiting Voltage VOEXP (MAX) 60 1.15 110 -0.5 -1.0 -1.5 -2.5 Vin=30mVrms=0dB Vin=-10dB-0.5 Vin=-20dB Vin=-30dB Vin=0dB,BYPATH=GND Vin=0dB Rg=620 Vin=0dB,EMUTE=GND THD=10% 60 700 UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R123-006,B UTC 8507 TEST CIRCUIT LINEAR INTEGRATED CIRCUIT COMP OUT 10k 100k 1F + 1 FO Vcc 20 10F + Vcc EXP OUT 10K + 2 1F + 3 FI EO 19 + 1.0F CO ERC 18 2.2F 4 22F + 2.2F + 9.1k 0.47F + 474 8 COMP IN 620 9 6 5 DI DO 17 51K 50pF 10K 474 + AGIC EPI- 16 1.0F CRC EPI+ 15 100k 620 EXP IN 7 CPI- EB 14 + 4.7F CPI+ EMUTE 13 SW3 12 SW2 + 4.7F CB BYPATH 10 GND CMUTE 11 SW1 UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R123-006,B LINEAR INTEGRATED CIRCUIT Data output Speaker 473 390K 2.2F 33K 18 17 16 15 14 Vcc + 47F 20 19 473 + 0.47F + 10K 104 47K Expander input Expander Mute Compressor Mute + 10F 13 12 11 REG + LOGIC Exp APPLICATION CIRCUIT (HAND SET) - Comp + REG + 51K Filter Amp 3.3K 1 2 3 4 33K 33K TO TX Modulation 104 132 5.6K 101 120K 39K 473 5 + 22F 6 + 2.2F 7 + 1F 8.2K 8 9 2.2K 223 103 10 UTC 8507 MIC UTC UNISONIC TECHNOLOGIES CO., LTD. + QW-R123-006,B 5 UTC 8507 LINEAR INTEGRATED CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 6 QW-R123-006,B |
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