LTC1344AC datasheet(2/12 Pages) LINER

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LTC1344A

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER I FOR ATIO

ORDER PART

NUMBER

LTC1344ACG

LTC1344AIG

TOP VIEW

G PACKAGE

24-LEAD PLASTIC SSOP

VEE

R1C

R1B

R1A

R2A

R2B

R2C

R3A

R3B

R3C

GND

DCE/DTE

LATCH

R6B

R6A

R5A

R5B

R4A

R4B

VCC

GND

TJMAX = 150°C, θJA = 100°C/W

Consult factory for Military grade parts.

ELECTRICAL CHARACTERISTICS

VCC = 5V ±5%, VEE = – 5V ±5%, TA = TMIN to TMAX (Notes 2, 3) unless otherwise noted.

(Note 1)

Positive Supply Voltage (VCC)................................... 7V

Negative Supply Voltage (VEE) ........................... – 13.2V

Input Voltage

(Logic Inputs) .................... (VEE – 0.3V) to (VCC + 0.3V)

Input Voltage (Load Inputs) ..................................

±18V

Power Dissipation .............................................. 600mW

Operating Temperature Range

LTC1344AC ............................................ 0

°C to 70°C

LTC1344AI ......................................... – 40

°C to 85°C

Storage Temperature Range ................ – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec)................. 300

°C

Note 2: All currents into device pins are positive; all currents out of device

pins are negative. All voltages are reference to ground unless otherwise

specified.

Note 3: All typicals are given at VCC = 5V, VEE = – 5V, TA = 25°C.

The q denotes specifications which apply over the full operating

temperature range.

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supplies

ICC

Supply Current

All Digital Pins = GND or VCC

0.4

1.0

Terminator Pins

RV.35

Differential Mode Impedance

All Loads (Figure 1), – 2V

≤ VCM ≤ 2V (Commercial) q

104

110

Ω

Common Mode Impedance

All Loads (Figure 2), – 2V

≤ VCM ≤ 2V (Commercial) q

135

153

165

Ω

All Loads (Figure 1), – 2V

≤ VCM ≤ 2V (Industrial)

104

115

Ω

All Loads (Figure 2), – 2V

≤ VCM ≤ 2V (Industrial)

130

153

170

Ω

RV.11

Differential Mode Impedance

All Loads (Figure 1), VCM = 0V (Commercial)

100

104

110

Ω

All Loads (Figure 1), – 7V

≤ VCM ≤ 7V (Commercial)

100

104

Ω

All Loads (Figure 1), VCM = 0V (Industrial)

104

115

Ω

All Loads (Figure 1), – 7V

≤ VCM ≤ 7V (Industrial)

100

104

Ω

ILEAK

High Impedance Leakage Current

All Loads, – 7V

≤ VCM ≤ 7V

±1

±50

µA

Logic Inputs

VIH

Input High Voltage

All Logic Input Pins

VIL

Input Low Voltage

All Logic Input Pins

0.8

IIN

Input Current

All Logic Input Pins

±10

µA

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