BA7746FS datasheet(8/12 Pages) ROHM

номер детали	BA7746FS

подробное описание детали	VCR Hi-Fi audio signal REC / PB amplifier

PDF	12 Pages

Scroll/Zoom	100%

производитель	ROHM [Rohm]

домашняя страница	http://www.rohm.com

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8 / 12 page

Video ICs

BA7746S / BA7746FS

•Electrical characteristics

Playback mode (pin 12

→ "L") (unless otherwise noted, Ta = 25°C, VCC = 5.0V, and f = 1.5MHz)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

VHS2

0.0

—

2.2

VHS1

2.8

—

VCC

∆VODC

– 20

0.0

—

1.0

3.5

—

VCC

RSWP

—

510

Ω

0.0

—

2.2

3.5

—

VCC

GVP.EP

4.0

5.0

6.0

18, 20pin 0 IN,

3pin “H”

→ “L” ∆5pin OUT

5pin OUT

V12L

V12H

V4L

V4H

18, 20pin 20.5dB

µIN, 4pin: “H”,

Head switching voltage

Output DC offset

PB holding voltage

REC holding voltage

Head switch ON resistance

SP holding voltage

EP holding voltage

Gain emphasis EP

Pin 3 DC when ch2 operating

Pin 3 DC when ch1 operating

Pin 12 DC for PB mode

Pin 12 DC for REC mode

Pin 15 ON resistance

Pin 4 DC for SP mode

Pin 4 DC for EP mode

•Measurement circuit

REC

VCA

PRE

PB / REC

P / R

ch1

ch2

ch1

N.C.

560

0.1

0.01

µ 0.01µ

100p

680

220p

0.22

68k

0.1

0.01

100

20k

390

1.8k

0.01

0.047

220k

0.1

Fig. 1

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