DS3695A, DS3695AT, DS3696A

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SNLS353C – FEBRUARY 1996 – REVISED APRIL 2013

DS3695A/DS3695AT/DS3696A Multipoint RS485/RS422 Transceivers

Check for Samples: DS3695A, DS3695AT, DS3696A

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FEATURES

DESCRIPTION

The

DS3695A

and

DS3696A

are

high

speed

2

•

Meets EIA Standard RS485 for Multipoint Bus

differential TRI-STATE bus/line transceivers designed

Transmission and is Compatible with RS-422

to meet the requirements of EIA standard RS485 with

•

10 Ns Driver Propagation Delays (Typical)

extended common mode range (+12V to

−7V), for

•

Single +5V Supply

multipoint data transmission. In addition they are

compatible with requirements of RS-422.

•

−7V to +12V Bus Common Mode Range

Permits ±7V Ground Difference between

The driver and receiver outputs feature TRI-STATE

Devices on the Bus

capability. The driver outputs remain in over the

entire common mode range of +12V to

−7V. Bus

•

Thermal Shutdown Protection

faults that cause excessive power dissipation within

•

High Impedance to Bus with Driver in TRI-

the device trigger a thermal shutdown circuit, which

STATE or with Power Off, over the Entire

forces the driver outputs into the high impedance

Common Mode Range Allows the Unused

state. The DS3696A provides an output pin (TS)

Devices on the Bus to be Powered Down

which reports the thermal shutdown of the device. TS

is an “open collector” pin with an internal 10 k

Ω pull-

•

Combined Impedance of a Driver Output and

up resistor. This allows the TS outputs of several

Receiver Input is less than One RS485 Unit

devices to be wire OR-ed.

Load, Allowing up to 32 Transceivers on the

Bus

Both AC and DC specifications are guaranteed over

the 0°C to 70°C temperature and 4.75V to 5.25V

•

70 mV Typical Receiver Hysteresis

supply voltage range.

•

Available in SOIC Packaging

Connection and Logic Diagrams

Figure 1. Molded Package, Small Outline (D0008A)

Figure 2. Top View

Top View

(See Package Number D0008A)

TS was LF (Line Fault) on previous datasheets, TS goes low upon thermal shutdown.

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2

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PRODUCTION DATA information is current as of publication date.

Copyright © 1996–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.