CXA1498M データシートの表示（PDF） - Sony Semiconductor

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CXA1498M

Recording/Playback Equalizer Amplifier for Stereo Tape Recorder

Sony Semiconductor 

CXA1498S/M

Pin Description and Equivalent Circuit

Pin

No.

Symbol

DC

voltage

I/O

I/O

resistance

Equivalent circuit

(Ta = 25°C, VCC = 8V, no signal)

Description

VCC

RFS

1 PBIN1 L

2 PBIN2 L

29 PBIN2 R

0V∗1

I

—

30 PBIN1 R

×6

×6

1

147

2

×2

29

30

GND

Playback equalizer

amplifier input pins.

3

28

PBFB1 L

PBFB1 R

0.8V∗1

—

68kΩ

5

26

PBOUT L

PBOUT R

2.5V∗1

O

147Ω

VCC

10p

10p

147

3

28

×6 ×6

×4

GND

VCC

×3

RFS

7k VCC

×5

500

147

5

500 210k

×6

10k 26

10k

100k

To 26 5

Playback equalizer

amplifier negative

feedback pins.

Playback equalizer

amplifier output pins.

4

27

PBFB2 L

PBFB2 R

2.5V∗1

—

—

VCC

4

147

×5

7k

×5

27

GND

RFS

Connection pins for

the capacitor that

determines the

playback equalizer

amplifier's time

constant

(120µs, 70µs, etc.)

6 MS OUT 2.5V∗1 O 147Ω

VCC

×2

147 500 5k

6

500

×4

GND

VCC

Mixed output pin for

the L and R outputs of

the playback equalizer

amplifier.

–2–

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