ML145442RP View Datasheet(PDF) - LANSDALE Semiconductor Inc.

Part Name

Description

Manufacturer

ML145442RP

Single–Chip 300–Baud Modem

LANSDALE Semiconductor Inc. 

LANSDALE Semiconductor, Inc.

ML145442, ML145443

Legacy Applications Information

16

RxA1

HYBRID

7

CDA

VCDA ≈ 1.2 V

CCDA

0.1 µF

ac

AMP

AUTO–NULLED

COMPARATOR

Vref

THRESHOLD

CONTROL

6 ms

RETRIGGERABLE

ONE–SHOT

SAMPLING

CLOCK

Figure 5. Carrier Detect Circuit

V DD

3

CD

4 CDT

CCDT

0.1 µF

MODULATOR

OUTPUT

DSI

RDSI

1

R0 = Rf

R0

Rf

TxA

ExI

–

17

18

+

VAG

Ri

19

Figure 6. Line Driver Using the DSI Input

Page 9 of 11

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