Hitachi HA12164
HA12166F is only changes by package from HA12163. It is the same electrical characteristics that HA12163.DESCRIPTION
HA12163 series are silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor and PB equalizer system in one chip. Functions● PB equalizer × 2 channel
● Dolby B-NR × 2 channel
● Music sensor × 1 channel
FEATURES
● Different type of PB equalizer characteristics selection (normal/chrome or metal) is available with fully electronic control switching built-in.● 2 type of input selection (radio/tape) is available.
● Changeable to forward, reverse-mode for PB head with fully electronic control switching built-in.
● Available to change music sensing level by external resistor.
● Music sensing level selection is available with fully electronic control switching built-in.
● Available to change frequency response of music sensor.
● NR-on/off and REC/PB fully electronic control switching built-in.
● 4 type of PB-out level.
● Available to allow common PCB designs with HA12173 series. * Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.