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ADM2490E Datasheet(PDF) 4 Page - Analog Devices

Part No. ADM2490E
Description  High Speed, ESD-Protected, Full-Duplex, iCoupler, Isolated RS-485 Transceiver
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

ADM2490E Datasheet(HTML) 4 Page - Analog Devices

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ADM2490E
Rev. 0 | Page 4 of 16
TIMING SPECIFICATIONS
TA = −40°C to +85°C
Table 2.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions
DRIVER
Maximum Data Rate
16
Mbps
Propagation Delay
tPLH, tPHL
45
60
ns
RL = 54 Ω, CL1 = C L2 = 100 pF,
see Figure 6 and Figure 8
Pulse Width Distortion,
PWD = |tPYLH − tPYHL|, PWD = |tPZLH − tPZHL|
tPWD, tPWD
7
ns
RL = 54 Ω, CL1 = CL2 = 100 pF,
see Figure 6 and Figure 8
Single-Ended Output Rise/Fall Times
tR, tF
20
ns
RL = 54 Ω, CL1 = CL2 = 100 pF,
see Figure 6 and Figure 8
RECEIVER
Propagation Delay
tPLH, tPHL
60
ns
CL = 15 pF, see Figure 7 and Figure
9
Pulse Width Distortion, PWD = |tPLH − tPHL|
tPWD
10
ns
CL = 15 pF, see Figure 7 and Figure
9
TA = −40°C to +105°C
Table 3.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions
DRIVER
Maximum Data Rate
10
Mbps
Propagation Delay
tPYLH, tPYHL,
tPZLH, tPZHL
45
60
ns
RL = 54 Ω, CL1 = CL2 = 100 pF,
see Figure 6 and Figure 8
Pulse Width Distortion,
PWD = |tPYLH − tPYHL|, PWD = |tPZLH − tPZHL|
tPWD, tPWD
9
ns
RL = 54 Ω, CL1 = CL2 = 100 pF,
see Figure 6 and Figure 8
Single-Ended Output Rise/Fall Time
tR, tF
27
ns
RL = 54 Ω, CL1 = CL2 = 100 pF,
see Figure 6 and Figure 8
RECEIVER
Propagation Delay
tPLH, tPHL
60
ns
CL = 15 pF, see Figure 7 and
Figure 9
Pulse Width Distortion, PWD = |tPLH − tPHL|
tPWD
10
ns
CL = 15 pF, see Figure 7 and
Figure 9


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