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SA58632BS

2 × 2.2 W BTL audio amplifier

Philips Electronics 

Philips Semiconductors

SA58632

2 × 2.2 W BTL audio amplifier

13. Application information

13.1 BTL application

Tamb = 25 °C, VCC = 9 V, f = 1 kHz, RL = 8 Ω, Gv = 20 dB, audio band-pass 22 Hz to

22 kHz. The BTL diagram is shown in Figure 3.

1 µF R1

10 kΩ

R2

50 kΩ

VIL

C3

47 µF

INL− 15

INL+ 14

1 µF R3

10 kΩ

VIR

OUTR−

R4

50 kΩ

INR− 12

INR+ 13

SVR 3

MODE 2

BTL/SE 4

17 10

SA58632

20 7

100 nF

OUTL−

16

RL

1 OUTL+

OUTR−

11

RL

6 OUTR+

GND

VCC

100 µF

002aac080

Gain left = 2 × -RR----21-

Gain right = 2 × -RR----43-

Pins 8, 9, 18 and 19 connected to ground.

Fig 3. Application diagram of SA58632 BTL differential output configuration

SA58632_1

Product data sheet

Rev. 01 — 27 June 2006

© Koninklijke Philips Electronics N.V. 2006. All rights reserved.

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