SN75146

DUAL DIFFERENTIAL LINE RECEIVER

SLLS015B – FEBRUARY 1986 – REVISED MAY 1995

1

POST OFFICE BOX 655303

ANSI EIA / TIA-422-B and -423-B

ANSI EIA / TIA-232-E and ITU

Recommendation V.28 With External

Components

µA9639

description

The SN75146 is a dual differential line receiver designed to meet ANSI Standards EIA / TIA-422-B and -423-B.

The receiver is designed to have a constant impedance with input voltages of

±3 V to ±25 V allowing it to meet

the requirements of EIA / TIA-232-E and ITU recommendation V.28 with the addition of an external bias resistor.

This receiver is designed for low-speed operation below 355 kHz and has a built-in 5-MHz low-pass filter to

attenuate high-frequency noise. The inputs are compatible with either a single-ended or a differential line

system and the outputs are TTL compatible. This device operates from a single 5-V power supply and is

supplied in both the 8-pin dual-in-line and small-outline packages.

The SN75146 is characterized for operation from 0

°C to 70°C.

5

6

7

8

2IN –

2IN +

1IN –

1IN +

2OUT

1OUT

3

2

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and

IEC Publication 617-12.

logic diagram

2OUT

1OUT

5

6

7

8

2IN –

2IN +

1IN –

1IN +

3

2

Copyright

© 1995, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

1

2

3

4

8

7

6

5

1OUT

2OUT

GND

1IN +

1IN –

2IN +

2IN –

D OR P PACKAGE

(TOP VIEW)

THE SN75146 IS NOT RECOMMENDED

FOR NEW DESIGNS.