ADM3483 Просмотр технического описания (PDF) - Analog Devices

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ADM3483

3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers

Analog Devices 

ADM3483/ADM3485/ADM3488/ADM3490/ADM3491

Data Sheet

0V OR 3V

D

GENERATOR1

50Ω

S1

CL = 50pF2

VCC

RL = 110Ω

OUT

1PPR = 250kHz, 50% DUTY CYCLE, tR ≤ 6.0ns, ZO = 50Ω.

2CL INCLUDES PROBE AND STRAY CAPACITANCE.

Figure 23. Driver Enable and Disable Times (tPZL, tPSL, tPLZ)

+1.5V

–1.5V

S3

VID R

GENERATOR1

50Ω

1kΩ

CL2

S1

VCC

S2

1PPR = 250kHz, 50% DUTY CYCLE, tR ≤ 6.0ns, ZO = 50Ω.

2CL INCLUDES PROBE AND STRAY CAPACITANCE.

Figure 25. Receiver Enable and Disable Times

GENERATOR1

50Ω

VID R

OUT

CL = 15pF2

1.5V

0

VCC

VOM = 2

1PPR = 250kHz, 50% DUTY CYCLE, tR ≤ 6.0ns, ZO = 50Ω.

2CL INCLUDES PROBE AND STRAY CAPACITANCE.

Figure 24. Receiver Propagation Delays

Rev. E | Page 12 of 20

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