TDA7072A/N1 查看數據表（PDF） - Philips Electronics

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TDA7072A/N1

Single BTL power driver

Philips Electronics 

Philips Semiconductors

Single BTL power driver

APPLICATION INFORMATION

Objective specification

TDA7072A/AT

handbook, full pagewidth

SERVO SYSTEM

1

TDA7072A

TDA7072AT

driver signal

Vref

2

R s 500 Ω

3

I+i

I –i

(1)

100 nF

220 µF

VP = 5 V

5

(2)

RL

8

4

6

7

n.c.

n.c.

(1) This capacitor can be omitted if the 220 µF electrolytic capacitor is connected close to pin 1.

(1) RL can be: focus, tracking, sled function or spindle motor.

Fig.3 Test and application diagram.

ground

MCD379

+ (VP – 2.1) V

0V

MCD380 – (VP – 2.1) V

Fig.4 Typical output voltage swing over RL.

July 1994

6

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