CXA3107N Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

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Fabricante

CXA3107N

IF Amplifier for M-ary FSK Pagers

Sony Semiconductor 

CXA3107N

Pin

Symbol Pin voltage

No.

14 B.S.

—

Equivalent circuit

Description

72

14

20k

140k

Controls the battery saving.

Setting this pin low suspends

the operation of IC.

(Applied voltage range:

–0.5 V to +7.0 V)

GND

15 CHARGE

—

20k

15

Controls the charge speed of

the quick charge circuit.

Set this pin high to execute the

100k

quick charge.

(Applied voltage range:

GND

–0.5 V to +7.0 V)

18 REG CONT

—

19 REG OUT

1.0 V

20 VCC

18

72

78k

19

1k

22k

VCC

Output for internal constant-

voltage source amplifier.

Connects the base of PNP

transistor.

(Current capacity: 100 µA)

GND

VCC

Constant-voltage source

output.

Controlled to maintain 1.0 V.

GND

Power supply.

—5—

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