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
Co...