ML7012-06 데이터 시트보기 (PDF) - LAPIS Semiconductor Co., Ltd.

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ML7012-06

2400 bps Single Chip Full Duplex Data Modem with Protocol

LAPIS Semiconductor Co., Ltd. 

FEDL7012-06-02

ML7012-06

TYPICAL APPLICATION CIRCUITS

Analog Interface

ML7012-06

–

AOUT

R1

+

R3

C2

RCI

C1

R2

–

RCAO

+

R4

TXAI

–

+

RA

TXAN

RB (=RA)

–

+

TXAP

–

AIN

+

GSR

SG

SG Gen.

R5

C3

R6 0.022 F

600 

600 : 600 

LINE

R7

C4

1 µF

R8

• The 2nd order LPF should be built to

make fc approximately 5 kHz using

the built-in amplifier, R1 to R3, and

C1 and C2.

Numeric examples:

R1 = R2 = R3 = 68 k

C1 = 1000 pF, C2 = 220 pF

• When VDD  3 V, R5/R4  2

• When VDD < 3 V, R5/R4  1.6

19/23

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