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HA12216F Datasheet, PDF (1/53 Pages) Hitachi Semiconductor – Audio Signal Processor for Car Deck(Decode only Dolby B type NR with PB Amp.) | |||
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HA12216F/HA12221F Series
Audio Signal Processor for Car Deck
(Decode only Dolby B type NR with PB Amp.)
REJ03F0132-0600
(Previous: ADE-207-254E)
Rev.6.00
Jun 15, 2005
Description
HA12216F/HA12221F series are silicon monolithic bipolar IC providing Dolby B type noise reduction, 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. HA12221F series does not include Dolby B NR.
Functions
⢠PB equalizer
à 2 channel
⢠Music sensor
à 1 channel
⢠Dolby B NR (Only HA12216F series) à 2 channel
⢠Line mute (Tape radio) SW
à 2 channel
Features
⢠Different type of PB equalizer characteristics selection (120 µs/70 µs) is available with fully electronic control
switching built-in.
⢠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 HA12216F series)
⢠Line mute (Tape radio) control switching built-in.
⢠Available to connect direct with MPU.
⢠These ICs are strong for a cellular phone noise. (18 dB improvement from HA12163)
Rev.6.00 Jun 15, 2005 page 1 of 52
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