CXA1498M 查看數據表（PDF） - Sony Semiconductor

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CXA1498M

Recording/Playback Equalizer Amplifier for Stereo Tape Recorder

Sony Semiconductor 

CXA1498S/M

Pin

No.

Symbol

DC

voltage

I/O

I/O

resistance

Equivalent circuit

VCC

VCC

Description

7 I REF

1.2V — —

8 SPEED

9 B EQ

10 METAL

—I —

22 A EQ

23 DECK AB

11 AGC TC 0V — —

×2

7

147

5p

Recording/playback

equalizer reference

current setting pin.

GND

GND

VCC

VCC

8

9

147

10

22

23

GND

VCC

VCC

×2

×2

200 500

11

147 500

×2

×4

100k

200

Tape speed switching

pin.

High: high speed

Low: normal speed

B deck equalizer

switching pin.

High: 70µs EQ

Low: 120µs EQ

B deck metal tape

switching pin.

High: metal tape

Low: normal or CrO2 tape

A deck equalizer

switching pin.

High: 70µs EQ

Low: 120µs EQ

A deck/B deck

playback switching pin.

High: PBIN2

Low: PBIN1

Connection pin for

the resistance and

capacitor that

determines the AGC

attack recovery time

constant.

GND

–3–

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