LTC1385CS データシートの表示（PDF） - Linear Technology

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LTC1385CS

3.3V Low Power EIA/TIA-562 Transceiver

Linear Technology 

LTC1385

TYPICAL PERFORMANCE CHARACTERISTICS

Driver Output Voltage

vs Temperature

5

4

OUTPUT HIGH

3

VCC = 3.3V

2

1

0

ALL DRIVERS WITH LOAD

RL = 3k

–1

–2

–3

OUTPUT LOW

–4

VCC = 3.3V

–5

0 10 20 30 40 50 60 70

TEMPERATURE (°C)

LTC1385 • TPC01

Receiver Input Thresholds

vs Temperature

2.2

2.0

1.8

VTH+

1.6

1.4

VTH–

1.2

1.0

0

10 20 30 40 50 60 70

TEMPERATURE (˚C)

LTC1385 • TPC02

Supply Current vs Data Rate

20

VCC = 3.3V

RL = 3k

CL = 2500pF

15 ALL DRIVERS ACTIVE

10

5

0

0 20 40 60 80 100 120 140

DATA RATE (kBAUD)

LTC1385 • TPC03

VCC Supply Current

vs Temperature

4.5

4.0

3.5

2 DRIVERS LOADED

RL = 3k

3.0

2.5

2.0

1 DRIVER LOADED

RL = 3k

1.5

1.0

0.5

0

0 10 20 30 40 50 60 70

TEMPERATURE (°C)

LTC1385 • TPC04

Driver Leakage in Shutdown

vs Temperature

45

40

35

30

25

VOUT = –20V

20

15

10

VOUT = 20V

5

0

0 10 20 30 40 50 60 70

TEMPERATURE (°C)

LTC1385 • TPC05

Driver Short-Circuit Current

vs Temperature

18

16

14

12

ISC–

10

8

6

ISC+

4

2

0

0 10 20 30 40 50 60 70

TEMPERATURE (°C)

LTC1385 • TPC06

Receiver Short-Circuit Current

vs Temperature

45

40

35

Driver Output Waveforms

DRIVER

OUTPUT

RL = 3k

CL = 1000pF

30

25

20

ISC–

DRIVER

OUTPUT

RL = 3k

15

10

ISC+

5

INPUT

LTC1385 • TPC08

0

0 10 20 30 40 50 60 70

TEMPERATURE (°C)

LTC1385 • TPC06

Receiver Output Waveform

RECEIVER

OUTPUT

CL = 51pF

INPUT

LTC1385 • TPC09

4

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