AN7500FHQ 查看數據表（PDF） - Panasonic Corporation

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AN7500FHQ

Audio signal processing IC for 1.5 V headphone stereo

Panasonic Corporation 

ICs for Radio-Cassette, Cassette Deck

AN7500FHQ

Audio signal processing IC for 1.5 V headphone stereo

s Overview

The AN7500FHQ is a single chip IC optimum for a

1.5 V headphone stereo system including pre-amp., power

amp. and Dolby B type noise reduction circuit. Current

consumption in a Dolby circuit off mode has been drasti-

cally reduced and an operating supply voltage has also

been lowered to 0.98 V. Much fewer external components

have been realized due to an integration of audio signal

processing system into a single chip circuitry in a small

outline package and space saving mounting of a set.

s Features

• Reduction by power consumption of approximately 35%

as compared with conventional products, contributing

to low power consumption of a set.

• Eliminating the DC/DC converter so far needed for con-

ventional system due to 1.5 V single power supply, and

reducing approx. 40% of external components. This

contributes to space saving in a set.

• Built-in standby switch to reduce consumption current

considerably.

s Applications

• Headphone stereo

9.00±0.40

7.00±0.20

36

25

37

24

Unit: mm

48

(0.75) 1

13

0.50

12

0.20–+00..1005

Seating plane

LQFP048-P-0707

(1.00)

0° to 10°

0.50±0.20

1

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