LT1485 Просмотр технического описания (PDF) - Linear Technology

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LT1485

Differential Bus Transceiver

Linear Technology 

LTC1485

TYPICAL PERFOR A CE CHARACTERISTICS

Receiver Output Low Voltage

vs Temperature

0.9

0.8 I = 8mA

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

–50 –25

0 25 50 75

TEMPERATURE (°C)

100 125

1485 G04

Driver Output Low Voltage vs

Output Current

80 TA = 25°C

Driver Differential Output Voltage

vs Output Current

64

TA = 25°C

48

32

16

0

0

1

2

3

4

OUTPUT VOLTAGE (V)

1485 G05

Driver Output High Voltage vs

Output Current

– 96

TA = 25°C

Driver Differential Output Voltage

vs Temperature

2.4

RL =54Ω

2.2

2.0

1.8

1.6

–50 –25

0 25 50 75

TEMPERATURE (°C)

100 125

1485 G06

TTL Input Threshold vs

Temperature

1.63

60

– 72

1.61

40

– 48

1.59

20

– 24

1.57

0

0

1

2

3

4

OUTPUT VOLTAGE (V)

1485 G07

Receiver | tPLH – tPHL| vs

Temperature

0

0

1

2

3

4

OUTPUT VOLTAGE (V)

1485 G08

Driver Skew vs Temperature

1.55

–50 –25

0 25 50 75

TEMPERATURE (°C)

100 125

1485 G09

Supply Current vs Temperature

5

5

1.8 DRIVER ENABLED

4

4

1.7

3

3

1.6

DRIVER DISABLED

2

2

1.5

1

–50 –25

0 25 50 75

TEMPERATURE (°C)

100 125

1485 G10

1

–50 –25

0 25 50 75

TEMPERATURE (°C)

100 125

1485 G11

1.4

–50 –25

0 25 50 75

TEMPERATURE (°C)

100 125

1485 G12

4

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