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 

CXA1702AR

Pin

Symbol

No

Pin voltage

DC

AC

58 IR1

1.95V

—

(when

resistor is

connected)

59 IR

1.9V

—

(when

resistor is

connected)

Equivalent circuit

130µ

58

1K

58

IR1 15K

100µ

59

1K

59

60 VG2

2.45V

—

61 PCMIN

2.45V 300mVp-p

input

270

60

4K

600µ

70µ

Description

Pin for external reference current

source. Connect external resistor

15kΩ between this pin and GND.

Be careful not to cause cross talk.

58

IR1 15K

Pin for external reference current

source. Connect external resistor

18 kΩ between this pin and GND.

Be careful not to cause cross talk.

59

IR 18K

Pin for internal reference voltage

source. Connect decoupling

capacitance between this pin and

GND. Not for outside IC use.

Input pin for recording PCM

signal.

61

140

50K

2.45V

62 PCMREC H: 2.3V

—

or more

L: 0.4V

or less

input

62

140

35K

70K

35µ

2.15V

PCM recording switching pin.

H: PCM recording

also,

RFAGC gain is held when

Pin 16 (RP_PB):H

and Pin 62 (PCMREC): H

63 ATFIN 2.45V 125mVp-p Same as for Pin 61.

input

64 AFREC H: 2.3V

—

Same as for Pin 21.

or more

L: 0.6V

or less

input

Input pin for recording ATF signal.

After-recording mode switching

pin. H: after-recording

—10—

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