LTC1383_1 datasheet(3/8 Pages) LINER

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LTC1383

1383fa

DC ELECTRICAL CHARACTERISTICS

AC CHARACTERISTICS

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

of the device may be impaired.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Slew Rate

RL = 3k, CL = 51pF

V/µs

RL = 3k, CL = 2500pF

V/µs

Driver Propagation Delay

tHLD (Figure 1)

●

3.5

µs

(TTL to RS232)

tLHD (Figure 1)

●

3.5

µs

Receiver Propagation Delay

tHLR (Figure 2)

●

0.3

0.8

µs

(RS232 to TTL)

tLHR (Figure 2)

●

0.3

0.8

µs

TYPICAL PERFOR A CE CHARACTERISTICS

TEMPERATURE (°C)

–8

–6

–2

LTC1383 • TPC01

–4

RL = 3k

VCC = 5V

VCC = 4.5V

OUTPUT HIGH

VCC = 4.5V

VCC = 5V

OUTPUT LOW

Driver Output Voltage

vs Temperature

DATA RATE (kBAUD)

100

LTC1383 • TPC03

125

150

175

VCC = 5V

RL = 3k

CL = 2500pF

2 DRIVERS ACTIVE

TEMPERATURE (˚C)

1.8

2.0

2.2

VTH

VTL

LTC1383 • TPC02

1.6

1.4

1.2

1.0

Receiver Input Thresholds

vs Temperature

Supply Current vs Data Rate

The ● denotes specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, C1 = C2 = C3 = C4 = 0.1µF, unless noted.

The ● denotes specifications which apply over the full operating temperature range,

otherwise specifications are at TA = 25°C. VCC = 5V, C1 = C2 = C3 = C4 = 0.1µF, unless noted.

Note 2: Supply current is measured with driver and receiver outputs

unloaded.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supply

VCC Supply Current

No Load (Note 2), 0°C to 70°C

●

0.22

0.5

No Load (Note 2), – 40°C to 85°C

●

0.35

1.0

Digital Input Threshold Low

●

1.4

0.8

Digital Input Threshold High

●

2.0

1.4

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