HA12134AF データシートの表示（PDF） - Hitachi -> Renesas Electronics

部品番号

コンポーネント説明

メーカー

HA12134AF

Dolby B-Type Noise Reduction System

Hitachi -> Renesas Electronics 

HA12134A, HA12135A, HA12136A

Pin Description (Ta = 25°C, VCC = 12 V, No signal, The value in the table show typical

value.) (cont)

Pin No. Symbol

7, 10 DET

R (in) VDC

—

1.3 V

Equivalent circuit

VCC

Description

Time constant pin for the

level detector

8, 9 REC OUT —

6.0 V

12

REC/PB

—

—

13

BIAS

—

1.0 V

100

100

1k

GND

VCC

Recording (encode)

output

GND

VCC

Mode control pin for

REC/PB (encode/decode)

“H” → REC (encode)

“L” → PB (decode)

3 VBE

4 VBE

100k

GND

VCC

Reference current input

pin for the active filters

15

GND

—

0V

—

GND

Ground

7

Share Link: