TDA8559 Просмотр технического описания (PDF) - Philips Electronics

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TDA8559

Low-voltage stereo headphone amplifier

Philips Electronics 

Philips Semiconductors

Low-voltage stereo headphone amplifier

Product specification

TDA8559

2.2 µF

pins 2 and 5

VIN

5 kΩ INPUT

pins 3 and 6

MGD123

handbook, halfpage

VIN

pins 2 and 5

INPUT

pins 3 and 6

MGD124

Fig.3 Input configuration; with input capacitor

(VP < 6 V).

Fig.4 Input configuration; without input capacitor

(VP < 6 V).

VIN

220 nF

220 nF

pins 2 and 5

INPUT

pins 3 and 6

MGD125

Fig.5 Input configuration (VP > 6 V).

mute

VP

620 kΩ

47 kΩ

7

220 nF

MGL135

1997 Jun 27

Fig.7 Soft mute.

100 nF

VIN

220

nF

VIN

100 nF

pin 2

pin 3

pin 6

pin 5

MGD126

Fig.6 Input configuration (at VP > 6 V, combined

negative inputs).

Standby/mute

• The standby mode (V1 < 0.5 V) is intended for power

saving purpose. Then the total quiescent current is

<10 µA.

• To avoid ‘pop-noise’ during switch-on or switch-off the

IC can be muted (V7 < 0.5 V). This can be achieved by

a ‘soft-mute’ circuit or by direct control from a

microcontroller.

9

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