HA12169FB データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA12169FB

Audio Signal Processor for Cassette Deck (Deck 1 Chip)

Hitachi -> Renesas Electronics 

HA12167FB/HA12169FB

Audio Signal Processor for Cassette Deck (Deck 1 Chip)

ADE-207-110B (Z)

3rd. Edition

June 1997

Description

HA12167FB/HA12169FB is silicon monolithic bipolar IC providing REC volume system, Level meter

system and Dolby noise reduction system in one chip.

Functions

• REC equalizer

• Equalizer volume

• Dolby B/C NR

• REC/PB input electronic volume

• Level Meter

• DAC for adjusting bias

× 2 channel

× 2 channel

× 2 channel

× 2 channel

× 2 channel

× 2 channel

Features

• Available to create characteristics of REC equalizer by changing external resistor, no coil

• Equalizer volume is available to calibrate recording automatically with micro-controller

• Electronic volume built-in is available to set the level of recording and play back automatically with

micro-controller

• 4 types of input (3 out of 4 are by way of electronic volume)

• Input electronic control switching is irrelevant to REC/PB electronic control switching

• Dolby noise reduction system is available with double cassette decks (Unprocessed signal output

available from recording out terminals during PB mode)

• Log-compressed level meter output is range from 0 V to 5 V (Usable as music search switchable gain of

0 dB and 20 dB respectively)

• Normal-speed/high-speed, normal/metal/chrome fully electronic control switching built-in

• NR-ON/OFF, Dolby B/C, MPX ON/OFF fully electronic control switching built-in

• Reduction of the number of pins by transfered serial data to electronic volume control switching and

another control switching (Controllable from micro-controller directly)

• Small the number of external parts

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