Texas Instruments SN55109AFK, SN55109AW, SN55110AFK, SN55110AJ, SN55110AW Datasheet

...

SN55109A, SN55110A

CERAMIC

SN75109AD

SN75109AN

SN55109AFK

SN55109AJ

SN55109AW

55 C to 125 C

SN55110AFK

SN55110AJ

SN55110AW

SN75109A, SN75110A, SN75112

DUAL LINE DRIVERS

SLLS106B – DECEMBER 1975 – REVISED MAY 1995

• Improved Stability Over Supply Voltage and

T emperature Ranges

• Constant-Current Outputs

• High Speed

• Standard Supply Voltages

• High Output Impedance

• High Common-Mode Output Voltage Range

–3 V to 10 V

• TTL-Input Compatibility

• Inhibitor Available for Driver Selection

• Glitch-Free During Power Up/Power Down

• SN75112 and External Circuit Meets or

Exceeds the Requirements of CCITT Recommendation V.35

description

The SN55109A, SN55110A, SN75109A, SN75110A, and SN75112 dual line drivers have improved output current regulation with supply voltage and temperature variations. In addition, the higher current of the SN751 12 (27 mA) allows data to be transmitted over longer lines. These drivers offer optimum performance when used with the SN55107A, SN55108A, SN75107A, and SN75108A line receivers.

SN55109A, SN55110A ...J OR W PACKAGE

SN75109A, SN75110A, SN751 12...D OR N PACKAGE

(TOP VIEW)

GND

SN55109A, SN55110A . . . FK PACKAGE

NC – No internal connection

(TOP VIEW)

1B1ANC2Z1Y

3 2 1 20 19

4 5 6 7 8

910111213

GND

14 13 12

9 8

CC+

18 17 16 15 14

V 1Y 1Z V D 2Z 2Y

CC+

CC –

1Z NC V NC D

CC –

These drivers feature independent channels with common voltage supply and ground terminals.

RECOMMENDED FOR NEW DESIGNS

THE SN75109A IS NOT

The significant difference between the three drivers is in the output current specification. The driver circuits feature a constant output current that is switched to either of two output terminals by the appropriate logic levels at the input terminals. The output current can be switched off (inhibited) by low logic levels on the enable inputs. The output current is nominally 6 mA for the ’109A, 12 mA for the ’110A, and 27 mA for the SN75112.

The enable/inhibit feature is provided so the circuits can be used in party-line or data-bus applications. A strobe or inhibitor (enable D), common to both drivers, is included for increased driver-logic versatility. The output current in the inhibited mode, I

, is specified so that minimum line loading is induced when the driver is used

O(off)

in a party-line system with other drivers. The output impedance of the driver in the inhibited mode is very high. The output impedance of a transistor is biased to cutoff.

AVAILABLE OPTIONS

PACKAGED DEVICES

0°C to 70°C

–55°C to 125°C

The D package is available taped and reeled. Add the suffix R to the device type, (e.g., SN751 10ADR).

SMALL OUTLINE

(D)

SN75109AD SN75109AN SN75110AD SN75112D SN75112N

CHIP CARRIER

(FK)

CERAMIC DIP

(J)

PLASTIC DIP

(N)

SN75110AN

CERAMIC

FLATPACK

(W)

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.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

2–1

SN55109A, SN55110A SN75109A, SN75110A, SN75112 DUAL LINE DRIVERS

SLLS106B – DECEMBER 1975 – REVISED MAY 1995

description (continued)

The driver outputs have a common-mode voltage range of –3 V to 10 V, allowing common-mode voltage on the line without affecting driver performance.

All inputs are diode clamped and are designed to satisfy TTL-system requirements. The inputs are tested at 2 V for high-logic-level input conditions and 0.8 V for low-logic-level input conditions. These tests ensure 400-mV noise margin when interfaced with TTL Series 54/74.

The SN55109A and SN551 10A are characterized for operation over the full military temperature range of – 55°C to 125°C. The SN75109A, SN75110A, and SN75112 are characterized for operation from 0°C to 70°C.

FUNCTION TABLE

(each driver)

LOGIC

INPUTS

A B C D Y Z

X X L X Off Off X XXLOffOff

L XHHOnOff X LHHOnOff H H H H Off On

H = high level, L = low level, X = irrelevant †

When using only one channel of the line drivers, the other channel should be inhibited and/or have its outputs grounded.

ENABLE

INPUTS

OUTPUTS

†

2–2

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

schematic (each driver)

CC+

SN55109A, SN55110A

SN75109A, SN75110A, SN75112

DUAL LINE DRIVERS

SLLS106B – DECEMBER 1975 – REVISED MAY 1995

GND

C D

To Other

1, 5

2, 6

3, 4 10

Driver

2.2 kΩ

NOM

2.2 kΩ NOM

–

8, 13

9, 12

CC–

–

... V

–

... V

Pin numbers shown are for D, J, N, and W packages.

CC+

CC–

bus

To Other Driver

–

Common to Both Drivers

–

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

2–3

SN55109A, SN55110A

SN75109A

SN55110A

SN75109A, SN75110A, SN75112 DUAL LINE DRIVERS

SLLS106B – DECEMBER 1975 – REVISED MAY 1995

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

SN55109A SN55110A

Supply voltage, V Supply voltage, V Input voltage, VI 5.5 5.5 5.5 V Output voltage range, V Continuous total power dissipation (see Note 2) See Dissipation Rating Table Operating free-air temperature range, T Storage temperature range, T Case temperature for 60 seconds: FK package 260 °C Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds J or W package 300 °C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds D or N package 260 260 °C

†

Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES: 1. Voltage values are with respect to network ground terminal.

2. In the FK, J, or W package, SN55109A and SN55110A chips are either silver glass or alloy mounted, and SN75109A, SN75110A, and SN75112 chips are glass mounted.

(see Note 1) 7 7 7 V

CC+ CC–

stg

DISSIPATION RATING TABLE

PACKAGE

D 950 mW 7.6 mW/°C 608 mW —

FK 1375 mW 11.0 mW/°C 880 mW 275 mW

J 1375 mW 11.0 mW/°C 880 mW 275 mW

N 1150 mW 9.2 mW/°C 736 mW —

W 1000 mW 8.0 mW/°C 640 mW 200 mW

TA ≤ 25°C

POWER RATING

DERATING FACTOR

ABOVE TA = 25°C

POWER RATING

–7 –7 –7 V

–5 to 12 –5 to 12 –5 to 12 V

–55 to 125 0 to 70 0 to 70 °C –65 to 150 –65 to 150 –65 to 150 °C

TA = 70°C

SN75109A SN75110A

TA = 125°C

POWER RATING

SN75112 UNIT

†

recommended operating conditions (see Note 3)

SN55109A

MIN NOM MAX MIN NOM MAX

Supply voltage, VCC+ 4.5 5 5.5 4.75 5 5.25 V Supply voltage, V Positive common-mode output voltage 0 10 0 10 V Negative common-mode output voltage 0 –3 0 –3 V High-level input voltage, V Low-level output current, V Operating free-air temperature, T

NOTE 3: When using only one channel of the line drivers, the other channel should be inhibited and/or have its outputs grounded.

CC–

–4.5 –5 –5.5 –4.75 –5 –5.25 V

2 2 V

0.8 0.8 V

–55 125 0 70 °C

SN75109A SN75110A

SN75112

UNIT

2–4

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

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