ADM2483BRW Просмотр технического описания (PDF) - Analog Devices

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ADM2483BRW

Half-Duplex, iCoupler® Isolated RS-485 Transceiver

Analog Devices 

ADM2483

Data Sheet

TIMING SPECIFICATIONS

2.7 ≤ VDD1 ≤ 5.5 V, 4.75 V ≤ VDD2 ≤ 5.25 V, TA = TMIN to TMAX, unless otherwise noted.

Table 2.

Parameter

DRIVER

Maximum Data Rate

Propagation Delay, tPLH, tPHL

Skew, tSKEW

Rise/Fall Time, tR, tF

Enable Time

Disable Time

RECEIVER

Propagation Delay, tPLH, tPHL

Differential Skew, tSKEW

Enable Time

Disable Time

POWER VALID INPUT

Enable Time

Disable Time

Min Typ Max Unit

500

kbps

250

620 ns

40

ns

200

600 ns

1050 ns

1050 ns

400

25

40

1050 ns

250 ns

70

ns

70

ns

1

2

µs

3

5

µs

Test Conditions/Comments

RLDIFF = 54 Ω, CL1 = CL2 = 100 pF, see Figure 5 and Figure 9

RLDIFF = 54 Ω, CL1 = CL2 = 100 pF, see Figure 5 and Figure 9

RLDIFF = 54 Ω, CL1 = CL2 = 100 pF, see Figure 5 and Figure 9

RL = 500 Ω, CL = 100 pF, see Figure 6 and Figure 11

RL = 500 Ω, CL = 15 pF, see Figure 6 and Figure 11

CL = 15 pF, see Figure 7 and Figure 10

CL = 15 pF, see Figure 7 and Figure 10

RL = 1 kΩ, CL = 15 pF, see Figure 8 and Figure 12

RL = 1 kΩ, CL = 15 pF, see Figure 8 and Figure 12

Rev. C | Page 4 of 20

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