LTC2801/LTC2802/

LTC2803/LTC2804



2801234fe

LinearTechnology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417



LINEAR TECHNOLOGY CORPORATION 2005

LT 0510 REV E • PRINTED IN USA

2801 F22

LTC2804

+

–

PS

MODE

10

11

13

14

15

16

4

3

2

1

5

12

T2OUT

T1OUT

R2IN

R1IN

T2IN

T1IN

R2OUT

R1OUT

CTS

RX

RTS

TX

TXD

RXD

6

8

7

9

SW

CAP

GND

UART

*ADDITIONAL BYPASS CAPACITOR AS NEEDED

1.8V TO 5.5V

1.8V TO 5.5V

DC-DC

C2

1µF

C5

220nF

C4

1µF

*

*

17

C3

1µF

C1

220nF

L1

10µH

tyPical aPPlication

Figure 22. Diagnostic Port Operating Directly Off Unregulated Battery Voltage

PART NUMBER

DESCRIPTION

COMMENTS

LT1780/LT1781

2-Driver/2-Receiver RS232 Transceiver

Single 5V Supply with 0.1μF Capacitors, 15kV ESD

LTC1337

3-Driver/5-Receiver RS232 Transceiver

Ultralow Power for DTE Applications

LTC1338

5-Driver/3-Receiver RS232 Transceiver

Ultralow Power for DCE Applications

LT1039/LT1039-16 3-Driver/3-Receiver RS232 Transceiver

30kΩ Input Impedance for Multidrop Applications

LTC1348

3-Driver/5-Receiver RS232 Transceiver

True RS232 Levels on 3.3V Supply

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