BA7149 View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

Manufacturer

BA7149

Electronic viewfinder driver

ROHM Semiconductor 

Video ICs

•Application example

VCC

FBT

BA7149F

VIDEO OUT

VCC

100µ

VIDEO IN

15k

+ 1µ

470

1500pF

100k

470

HD

+

+ 1µ

10k

390k

+

0.22µ

510k

16

15

14

13

12

11

10

9

H.OSC

PHASE

COMP

H.BLK

6dB

AMP

SYNC

SEPA

V.BLK

V.SEPA

V.DRIVE

V.OSC

VCC

1

2

3

4

5

6

7

8

+

0.022µ

47µ

5mH + 36Ω

VR1

100 3.9

15k

0.1µ

VD

Fig.13

∗1 The resistors connected to pins 6 and 15 should have a tolerance of ± 2%, and a temperature

coefficient of ± 100ppm or lower.

∗2 The capacitor connected to pin7 should have a tolerance of ± 5%, and a temperature coefficient of

± 250ppm or lower.

6

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