HA12228F/HA12229F
Audio Signal Processor for Car Deck (Decode only Dolby B-type NR* with PB Amp.)
ADE-207-325A 2nd Edition Dec. 2000 Description
HA12228F/HA12229F are silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor, PB equalizer system in one chip. Notes: 1. Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC. 2. HA12229F is not built-in Dolby B-NR.
Funct.
Audio Signal Processor
HA12228F/HA12229F
Audio Signal Processor for Car Deck (Decode only Dolby B-type NR* with PB Amp.)
ADE-207-325A 2nd Edition Dec. 2000 Description
HA12228F/HA12229F are silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor, PB equalizer system in one chip. Notes: 1. Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC. 2. HA12229F is not built-in Dolby B-NR.
Functions
• PB equalizer • Music sensor • Dolby B-NR (Only HA12228F) • Line mute SW × 2 channel × 1 channel × 2 channel × 2 channel
Features
• Different type of PB equalizer characteristics selection (120 µs/70 µs) is available with fully electronic control switching built-in. • Easy interface with the PB head. (The PB-EQ resistance self-containing) • Changeable to Forward, Reverse-mode for PB head with fully electronic control switching built-in. • Available to change music sensing level by external resistor. • Available to change response of music sensor by external capacitor. • Music sensing level, built-in switch to change a band (MSGV). • NR ON/OFF fully electronic control switching built-in. (Only HA12228F) • Line mute control switching built-in. • Available to connect direct with MPU. • These ICs are strong for a cellular phone noise.
HA12228F/HA12229F
Ordering Information
Operating Voltage
Product HA12228F HA12229F Note: 1. These ICs are designed to operate on single supply. Min 6.