AN7500FHQ Просмотр технического описания (PDF) - Panasonic Corporation

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AN7500FHQ

Audio signal processing IC for 1.5 V headphone stereo

Panasonic Corporation 

AN7500FHQ

ICs for Radio-Cassette, Cassette Deck

s Terminal Equivalent Circuits (continued)

Pin No.

Equivalent circuit

Description

24

VRPF L-BST C1:

Low boost capacitor pin

3 kΩ

30 kΩ

Waveform/voltage

(at VCC = 1.2 V)

24 30

kΩ

VREF

25

27

25 90 kΩ

3 kΩ

GND

VRPF

Pin 25: PWR in (R)

Pin 27: PWR in (L):

Power amp. input

12 kΩ

10 kΩ

VREF

VRPF

90 kΩ

26

27

10 kΩ

2 kΩ

VREF

GND

LPF1-C:

LPF capacitor pin

GND

VRPF

DC 0.78 V

DC 0.78 V

AC −30 dBm

DC 0.78 V

26

GND

35

VRPF

IREF :

Reference current resistor pin

DC 0.1 V

35

GND

12

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