KA9270 Overview
KA9270 INTRODUCTION The KA9270 is a monolithic integrated circuit designed for audio filter. It is used in pact disc player, digital audio tape recorder, etc.
KA9270 Key Features
- Functions
- Buffer for impedence matching
- Low pass filter
- emphasis control
- Mute control
- Reference voltage circuit ( 1/2 VCC AMP )
- Gain adjustable of audio output
- Minimum number of external parts required
- Remand operation supply voltage range : 5.0 ~ 12.0V Device KA9270 KA9270D
- MUTE SW