CXA1702AR データシートの表示（PDF） - Sony Semiconductor

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CXA1702AR

4-channel REC/PB Amplifier for 8 mm VCR

Sony Semiconductor 

Pin

Symbol

No.

39 GND1B

Pin voltage

DC

AC

0V

—

Equivalent circuit

—

40 PBDUMP1B 2.6V

—

Same as for Pin 30.

41 PBDUMP2A 2.6V

—

Same as for Pin 30.

42 GND2A

0V

—

—

43 PB2AIN

0.7V 200µVp-p Same as for Pin 32.

input

44 REC2AOUT (19mA (21mAp-p Same as for Pin 33.

output) output)

45 REC2ACNT 1.8V to

4.75V

input

46 VCC2CH 4.75V

—

Same as for Pin 34.

—

—

47 REC2BCNT 1.8V to

4.75V

input

48 REC2BOUT (19mA

output)

Same as for Pin 34.

(21mAp-p Same as for Pin 33.

output)

49 PB2BIN

0.7V 200µVp-p Same as for Pin 32.

input

50 GND2B

0V

—

—

51 PBDUMP2B 2.6V

—

Same as for Pin 30.

CXA1702AR

Description

GND pin for 1Bch recording and

head amplifiers.

Dumping adjusting pin for 1Bch

head amplifier.

Dumping adjusting pin for 2Ach

head amplifier.

GND pin for 2Ach recording and

head amplifiers.

Playback signal 2Ach input pin.

Recording signal 2Ach output pin.

Open collector.

EVR adjusting pin for 2Ach

recording amplifier dumping.

Power supply pin for 2Ach and

2Bch recording and head

amplifiers.

EVR adjusting pin for 2Bch

recording amplifier dumping.

Recording signal 2Bch output pin.

Open collector.

Playback signal 2Bch input pin.

GND pin for 2Bch recording and

head amplifiers.

Dumping adjusting pin for 2Bch

head amplifier.

—8—

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