Internal circuitry, Tda8944j, Nxp semiconductors – Philips TDA8944J User Manual

Page 12: 2 x 7 w stereo btl audio amplifier

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NXP Semiconductors

TDA8944J

2 x 7 W stereo BTL audio amplifier

Product specification

Rev. 02 — 14 February 2000

12 of 22

9397 750 06861

© NXP B.V. 2010. All rights reserved.

13. Internal circuitry

Table 9:

Internal circuitry

Pin

Symbol

Equivalent circuit

6 and 8 IN1+ and IN1

12 and 9

IN2+ and IN2

1 and 4

OUT1

− and OUT1+

14 and 17

OUT2

− and OUT2+

10

MODE

11

SVR

1.5 k

Ω

1.5 k

Ω

45 k

Ω

45 k

Ω

VCC

VCC

VCC

MGL946

1 : 1

1 : 1

1/2 VCC

(SVR)

8, 9

6, 12

40

Ω

100

Ω

MGL947

1, 4, 14, 17

1/2 VCC

1 k

Ω

10 k

Ω

10 k

Ω

OFF

HIGH

MUTE

HIGH

1 k

Ω

VCC

VCC

VCC

MGL949

10

Standby

20 k

Ω

20 k

Ω

VCC

MGL948

11

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