TDA1556 查看數據表（PDF） - Philips Electronics

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TDA1556

2 x 22 W stereo BTL differential amplifier with speaker protection and dynamic distortion detector

Philips Electronics 

Philips Semiconductors

2 x 22 W stereo BTL differential amplifier

with speaker protection and dynamic

Product specification

TDA1556Q

PINNING

SYMBOL

IN1A

IN1B

n.c.

DDD

Vp1

OUT1A

GND1

OUT1B

n.c.

OUT2A

GND2

OUT2B

VP2

M/SB

LSP

IN2A

IN2B

PIN

DESCRIPTION

1 input signal 1A

2 input signal 1B

3 not connected

4 dynamic distortion detector

5 positive supply voltage 1

6 output signal 1A

7 power ground 1

8 output signal 1B

9 not connected

10 output signal 2A

11 power ground 2

12 output signal 2B

13 positive supply voltage 2

14 mute/stand-by switch

15 loudspeaker protection

16 input signal 2B

17 input signal 2A

handbook, halfpage

IN 1A 1

IN 1B 2

n.c. 3

DDD 4

V P1 5

OUT 1A 6

GND 1 7

OUT 1B 8

n.c. 9 TDA1556Q

OUT 2A 10

GND 2 11

OUT 2B 12

VP2 13

M/SB 14

LSP 15

IN 2A 16

IN 2B 17

MLA381 - 1

Fig.2 Pin configuration.

THERMAL RESISTANCE

SYMBOL

PARAMETER

Rth j-a

Rth j-c

from junction to ambient

in free air

from junction to case

(see Figs 3 and 4)

THERMAL

RESISTANCE

40 K/W

1.5 K/W

handbook, halfpage

virtual

junction

output 1

2.8

K/W

output 2

2.8

K/W

0.1

K/W

case

MLA382

Fig.3 Thermal resistance.

July 1994

4

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