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KA8507B

Samsung
Part Number KA8507B
Manufacturer Samsung
Description COMPANDER
Published Apr 25, 2005
Detailed Description COMPANDER KA8507B INTRODUCTION KA8507B is a automatic gain control system that is used for dynamic range compression a...
Datasheet PDF File KA8507B PDF File

KA8507B
KA8507B

Overview
COMPANDER KA8507B INTRODUCTION KA8507B 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.
KA8507B includes compressor, expander, pre-amp, filter amp, limiter and mute/bypath logic.
20−DIP−300A FEATURES • • • • Wide Supply Voltage ( 2.
4 to 7V ) Easy Gain Control Mute/Bypath Logic Data In/Out Pin 20−SOP−375 ORDERING INFORMATION Device KA8507B KA8507BD Package 20−DIP−300A 20−SOP−375 Operating Temperature −20°C to +70°C 1 KA8507B COMPANDER BLOCK DIAGRAM AGIC 5 CRC 6 Rectifier Bypath Variable Resistor DI 4 CO 3 FI 2 Filter Amp Compressor Output Buffer + 1 Fo Compressor Mute 5.
1K 3.
3K CPI7 Summing Amp 11 Limiter Logic CB 13 Bypath EMUTE 12 CMUTE CPI+ 8 + BYPATH EPI- 16 Variable Resistor Summing Amp EPI+ 15 + Rectifier Expandor Mute Bias Circuit 20 Vcc 17 DO 18 ERC 19 EO 9 CB 14 EB 10 GND PIN CONFIGURATION FO FI CO DI AGIC CRC CPICPI + CB GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 Vcc EO ERC DO EPIEPI+ EB EMUTE BYPATH CMUTE KA8507B 16 15 14 13 12 11 2 COMPANDER KA8507B PIN DESCRIPTION Pin No 1 2 3 4 5 6 7 8 9 10 Symbol FO FI CO DI AGIC CRC CPI − CPI 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 + EPI − DO 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 ABSOLUTE MAXIMUM RATINGS Characteristic Supply Voltage Power Dissipation KA8507B KA8507BD Operating Temperature Storage Temperature TOPR TSTG Symbol VCC PD Value 10 1000 410 − 20 to + 70 − 55 to + 150 °C °C Unit V mW 3 KA8507B COMPANDER ELECTRICAL...


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