HA12177 Overview
HA12173 series are silicon monolithic bipolar IC providing Dolby noise reduction system , music sensor and PB equalizer system in one chip. Functions PB equalizer Dolby B/C-NR Music sensor × 2 channel × 2 channel × 1 channel.
HA12177 Key Features
- 2 type of input selection (RADIO/TAPE) is available
- Available to change music sensing level by external resistor
- Available to change frequency response of music sensor
- 4 type of PB-out level
- Available to allow mon PCB designs with HA12163 series
- Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporatio
- 0.28 V Reference current input
- DC voltage Equivalent circuit VCC Description Time constant pin for rectifier
- Mode control input
- DC voltage Equivalent circuit VCC/2