LA8638V Просмотр технического описания (PDF) - SANYO -> Panasonic

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LA8638V

Low-voltage Compander IC for Cordless Telephones

SANYO -> Panasonic 

Continued from preceding page.

Pin Number

12

Pin Name

BTL-GND

Pin Voltage

11

BTL-IN

VCC/2

13

BTL-OUT1

VCC/2

14

BTL-OUT2

VCC/2

15

VCC

Indeterminate

16

FSK-OUT (when there is

no signal)

17

SUB-CNT1

VCC

18

SUB-CNT2

VCC

20

TX-MUTE

VCC

22

TX-LVL-CNT

VCC

19

BTL-CNT

—VC—C —+ —0.6—5

2

21

TX-DATA-IN

VCC /1.6

LA8638V

Equivalent Circuit

23

TX-OUT

VCC /1.6

24

FREQ-ADJ

0.01 V

Description

Ground for BTL amplifier

BTL amplifier input

BTL amplifier reversed output

BTL amplifier non-reversed output

Power supply pin

Comparator output (open collector output)

Internal operating mode control pins. All four

have identical structures.

BTL amplifier operation control pins

Transmitter data input

Transmitter output

Pin for setting cutoff frequency of splatter

filter

Continued on next page.

No. 5776-10/16

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