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LTC2873H

Single-Bus RS485/RS232 Multiprotocol Transceiver with Switchable Termination

Analog Devices 

LTC2873

ABSOLUTE MAXIMUM RATINGS

(Notes 1 and 2)

Input Supplies

VCC, VL ..................................................... –0.3V to 7V

Generated Supplies

VDD................................................. VCC – 0.3V to 7.5V

VEE.......................................................... –7.5V to 0.3V

SW................................................ –0.3V to (VDD + 0.3V)

CAP.................................................. (VEE – 0.3V) to 0.3V

A/DO, B/RI....................................................–15V to 15V

DI, 485/232, DE485/F232, RE485,

TE485, LB................................................. –0.3V to 7V

SHDN, RO........................................–0.3V to (VL + 0.3V)

Differential Terminator Voltage (Enabled)

(A/DO to B/RI)...................................................... ±6V

Differential Terminator Voltage (Disabled)

(A/DO to B/RI).................................................... ±30V

Operating Temperature

LTC2873C................................................ 0°C to 70°C

LTC2873I..............................................–40°C to 85°C

LTC2873H........................................... –40°C to 125°C

Storage Temperature Range................... –65°C to 150°C

PIN CONFIGURATION

TOP VIEW

VEE 1

RO 2

485/232 3

RE485 4

DE485/F232 5

DI 6

SHDN 7

24 23 22 21 20

19 NC

18 VCC

17 A/DO

25

VEE

16 GND

15 B/RI

14 VCC

13 VDD

8 9 10 11 12

UFD PACKAGE

24-LEAD (4mm × 5mm) PLASTIC QFN

TJMAX = 150°C, θJA = 43°C/W

EXPOSED PAD (PIN 25) IS VEE, MUST BE SOLDERED TO PCB

ORDER INFORMATION http://www.linear.com/product/LTC2873#orderinfo

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC2873CUFD#PBF

LTC2873CUFD#TRPBF 2873

24-Lead (4mm × 5mm) Plastic QFN

0°C to 70°C

LTC2873IUFD#PBF

LTC2873IUFD#TRPBF 2873

24-Lead (4mm × 5mm) Plastic QFN

–40°C to 85°C

LTC2873HUFD#PBF

LTC2873HUFD#TRPBF 2873

24-Lead (4mm × 5mm) Plastic QFN

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through

designated sales channels with #TRMPBF suffix.

REV B

2

For more information www.analog.com

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