ADM485AQ datasheet(5/8 Pages) AD

Part #	ADM485AQ

Description	5 V Low Power EIA RS-485 Transceiver

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Manufacturer	AD [Analog Devices]

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Typical Performance Characteristics–ADM485

REV. A

–5–

40

0

2.0

12

4

8

0.0

24

16

20

28

32

36

1.0

0.5

1.5

OUTPUT VOLTAGE – Volts

Figure 11. Receiver Output Low

Voltage vs. Output Current

0.4

0.1

–50

125

0.3

0.2

–25

50

100

25

075

TEMPERATURE –

°C

I = 8mA

Figure 14. Receiver Output Low

Voltage vs. Temperature

100

0

4

30

10

20

0

60

40

50

70

80

90

2

13

OUTPUT VOLTAGE – Volts

Figure 17. Driver Output Low

Voltage vs. Output Current

OUTPUT VOLTAGE – Volts

0

–20

5.0

–14

–18

–16

3.5

–8

–12

–10

–6

–4

–2

4.5

4.0

Figure 12. Receiver Output High

Voltage vs. Output Current

OUTPUT VOLTAGE – Volts

96

0

24

12

0

48

36

60

72

84

4

3

2

1

Figure 15. Driver Differential Out-

put Voltage vs. Output Current

0

–100

5

–70

–90

–80

0

–40

–60

–50

–30

–20

–10

3

24

1

OUTPUT VOLTAGE – Volts

Figure 18. Driver Output High

Voltage vs. Output Current

5.0

4.5

125

4.8

4.6

–25

4.7

–50

4.9

100

75

50

25

0

TEMPERATURE –

°C

I = 8mA

Figure 13. Receiver Output High

Voltage vs. Temperature

2.4

2.0

–50

125

2.3

2.1

–25

2.2

100

75

50

25

0

TEMPERATURE –

°C

Figure 16. Driver Differential Output

Voltage vs. Temperature, RL = 54

Ω

1.00

0.60

125

0.70

0.65

–25

–50

0.80

0.75

0.85

0.90

0.95

100

75

50

25

0

TEMPERATURE – °C

DRIVER ENABLED

DRIVER DISABLED

Figure 19. Supply Current vs.

Temperature

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