2

Video ICs

BA7797F

Parameter

Symbol

Limits

Unit

13

V

mW

Topr

°C

Tstg

°C

Pd

– 10 ~ + 65

– 55 ~ + 125

Power supply voltage

Power dissipation

Operating temperature

Storage temperature

each increase in Ta of 1

°C over 25°C.

Parameter

Symbol

Min.

Typ.

Max.

Unit

7.5

—

12.5

V

Power supply voltage

1

PB IN

2.0V

REC: 120k

Ω

REC: 11

Ω

2

REC HEAD SW

0.0V

REC: OPEN

3

REC OUT

4.7V

EF (P-P)

4

REC L

4.7V

B (NPN)

5

10.0V

—

6

RIPPLE FILTER

10.0V

10k

7

REC / EE CTRL

—

8

LINE OUT

4.7V

EF (P-P)

9

ALC LEVEL ADJ

4.1V

10

MUTE CTRL

—

11

LINE IN

4.7V

120k

Ω

12

PB / TU / LINE CTRL

—

13

TUNER IN

4.7V

120k

Ω

14

ALC FILTER

PB: 0.0V

15

PB LINE IN

4.7V

120k

Ω

16

PB OUT

2.0V

EF (P-P)

17

PB NFB

2.0V

B (NPN)

18

GND

0.0V

—

Pin No.

Pin name

Function

Pin voltage

I / O circuit

REC: 17

Ω (ON)

EF (NPN) ~ 100

Ω

PB: Not fixed

See input / output circuit

See Fig. 4

See input / output circuit

See input / output circuit

Playback amplifier input / playback head switch

High-withstanding voltage recording head switch

Recording amplifier output

Recording EQ switch

Ripple filter

REC / EE control

Line amplifier output

ALC level adjustment

Mute control

Line input

PB / TU / LINE control

Tuner input

For setting the time constant for the ALC filter

(attack and recovery times)

Line input for playback

Playback amplifier output

Playback amplifier feedback

GND

All numerical values are standardized values.