HA12212F Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HA12212F

Audio Signal Processor for Car Deck (Decode only Dolby B-type NR with PB Amp.)

Hitachi -> Renesas Electronics 

HA12192F/HA12197F/HA12212F Series

Audio Signal Processor for Car Deck

(Decode only Dolby B-type NR with PB Amp.)

ADE-207-167D (Z)

5th Edition

Jun. 1999

Description

HA12192F/HA12197F/HA12212F series are silicon monolithic bipolar ICs providing Dolby noise

reduction system*, music sensor, PB equalizer system in one chip.

Functions

• PB equalizer × 2 channel

• Music sensor × 1 channel

• Decode only Dolby B-NR

× 2 channel

Note: HA12197F series is not built in Dolby B-NR.

Features

• Different type of PB equalizer characteristics selection (120µ / 70µ position) 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 frequency response of music sensor by external capacitor.

• NR ON/OFF fully electronic control switching built-in. (HA12192F/HA12212F series only)

• Available to connect direct with MPU.

• HA12192F series, HA12197F series and HA12212F available to allow common PCB designs.

• HA12212F only changes by package from HA12192F series. It is the same electrical characteristics

that HA12192F 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.

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