Datasheet

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DS1691A, DS3691

www.ti.com

SNLS357E –JULY 1998–REVISED APRIL 2013

DS3691 (RS-422/RS-423) Line Drivers with TRI-STATE Outputs

Check for Samples: DS1691A, DS3691

FEATURES

DESCRIPTION

The DS3691 is a low power Schottky TTL line driver

• Dual RS-422 Line Driver with Mode Pin Low, or

designed to meet the requirements of EIA standards

Quad RS-423 Line Driver with Mode Pin High

RS-422 and RS-423. It features 4 buffered outputs

• TRI-STATE Outputs in RS-422 Mode

with high source and sink current capability with

• Short Circuit Protection for Both Source and

internal short circuit protection. A mode control input

provides a choice of operation either as 4 single-

Sink Outputs

ended line drivers or 2 differential line drivers. A rise

• Outputs Will Not Clamp Line with Power Off or

time control pin allows the use of an external

In TRI-STATE

capacitor to slow the rise time for suppression of near

• 100Ω Transmission Line Drive Capability

end crosstalk to other receivers in the cable. Rise

time capacitors are primarily intended for

• Low I

and I

Power Consumption

waveshaping output signals in the single-ended driver

– RS-422: I

= 9 mA/driver Typ

mode. Multipoint applications in differential mode with

– RS-423: I

= 4.5 mA/driver Typ

waveshaping capacitors is not allowed.

– I

= 2.5 mA/driver Typ

With the mode select pin low, the DS3691 are dual-

• Low Current PNP Inputs Compatible with TTL,

differential line drivers with TRI-STATE outputs. They

MOS and CMOS

feature ±10V output common-mode range in TRI-

STATE mode and 0V output unbalance when

• Pin Compatible with AM26LS30

operated with ±5V supply.

Connection Diagrams

With Mode Select LOW With Mode Select HIGH

(RS-422 Connection) (RS-423 Connection)

Figure 1. SOIC Package Figure 2. SOIC Package

See Package Number D0016A See Package Number D0016A

Top View Top View

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

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.

2All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (15 pages)

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DS1691A, DS3691 www.ti.com SNLS357E – JULY 1998 – REVISED APRIL 2013 DS3691 (RS-422/RS-423) Line Drivers with TRI-STATE Outputs Check for Samples: DS1691A, DS3691 FEATURES DESCRIPTION • The DS3691 is a low power Schottky TTL line driver designed to meet the requirements of EIA standards RS-422 and RS-423. It features 4 buffered outputs with high source and sink current capability with internal short circuit protection.
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DS1691A, DS3691 SNLS357E – JULY 1998 – REVISED APRIL 2013 www.ti.com Absolute Maximum Ratings (1) (2) Supply Voltage VCC 7V VEE −7V Maximum Power Dissipation at 25°C SOIC Package (3) 1051 mW Input Voltage 15V Output Voltage (Power OFF) ±15V −65°C to + 150°C Storage Temperature Lead Temperature (Soldering, 4 seconds) (1) (2) (3) 260°C “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be verified.
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DS1691A, DS3691 www.ti.com SNLS357E – JULY 1998 – REVISED APRIL 2013 DC Electrical Characteristics (1) (2) (3) (4) Parameter Test Conditions Min Typ Max Units RS-422 CONNECTION, VEE CONNECTION TO GROUND, MODE SELECT ≤ 0.8V VIH High Level Input Voltage VIL Low Level Input Voltage IIH High Level Input Current 2 V 0.8 V VIN = 2.4V 1 40 μA VIN ≤ 15V 10 100 μA −30 −200 μA IIL Low Level Input Current VIN = 0.
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DS1691A, DS3691 SNLS357E – JULY 1998 – REVISED APRIL 2013 www.ti.com DC Electrical Characteristics (1) (2) (3) (4) Parameter Test Conditions Min Typ Max Units RS-423 CONNECTION, |VCC| = |V EE|, MODE SELECT ≥ 2V VIH High Level Input Voltage VIL Low Level Input Voltage IIH High Level Input Current 2 V 0.8 V VIN = 2.4V 1 40 μA VIN ≤ 15V 10 100 μA −30 −200 μA IIL Low Level Input Current VIN = 0.4V VI Input Clamp Voltage IIN = −12 mA −1.
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DS1691A, DS3691 www.ti.com SNLS357E – JULY 1998 – REVISED APRIL 2013 AC Test Circuits and Switching Time Waveforms Figure 3. Differential Connection Figure 4.
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DS1691A, DS3691 SNLS357E – JULY 1998 – REVISED APRIL 2013 www.ti.com Figure 5. Rise Time Control for RS-423 Figure 6. TRI-STATE Delays SWITCHING WAVEFORMS Figure 7.
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DS1691A, DS3691 www.ti.com SNLS357E – JULY 1998 – REVISED APRIL 2013 Truth Table Operation RS-422 RS-423 Inputs Outputs Mode A (D) B (C) A (D) 0 0 0 0 B (C) 1 0 0 1 TRI-STATE TRI-STATE 0 1 0 1 0 0 1 1 TRI-STATE TRI-STATE 1 0 0 0 0 1 0 1 0 1 1 1 0 1 0 1 1 1 1 1 TYPICAL APPLICATION INFORMATION Figure 8. Fully Loaded RS-422 Interface Figure 9. RS-422 Point to Point Application Figure 10.
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DS1691A, DS3691 SNLS357E – JULY 1998 – REVISED APRIL 2013 www.ti.com *Note: Controlled edge allows longer stub lengths. Multiple Drivers are NOT allowed. Figure 11. Differential Application with Rise Time Control Figure 12. Dual RS-423 Inverting Driver Typical Rise Time Control Characteristics (RS-423 Mode) Rise Time vs External Capacitor Figure 13.
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DS1691A, DS3691 www.ti.com SNLS357E – JULY 1998 – REVISED APRIL 2013 REVISION HISTORY Changes from Revision D (April 2013) to Revision E • Page Changed layout of National Data Sheet to TI format ............................................................................................................
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 1-Nov-2013 continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
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PACKAGE MATERIALS INFORMATION www.ti.com 23-Sep-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device DS3691MX/NOPB Package Package Pins Type Drawing SOIC D 16 SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) 2500 330.0 16.4 Pack Materials-Page 1 6.5 B0 (mm) K0 (mm) P1 (mm) 10.3 2.3 8.0 W Pin1 (mm) Quadrant 16.
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PACKAGE MATERIALS INFORMATION www.ti.com 23-Sep-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) DS3691MX/NOPB SOIC D 16 2500 367.0 367.0 35.
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