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ADM2491E Folha de dados(PDF) 10 Page - Analog Devices

Nome de Peças ADM2491E
Descrição Electrónicos  High Speed, ESD-Protected, Half-/Full-Duplex, iCoupler Isolated RS-485 Transceiver
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

ADM2491E Folha de dados(HTML) 10 Page - Analog Devices

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ADM2491E
Rev. 0 | Page 10 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (°C)
–40
–20
0
2040
6080
100Ω LOAD
54Ω LOAD
2.42
2.44
2.46
2.48
2.50
2.52
2.54
2.56
2.58
NO LOAD
Figure 14. IDD1 Supply Current vs. Temperature
0
10
20
30
40
50
60
TEMPERATURE (°C)
–40
–20
0
20406080
NO LOAD
100Ω LOAD
54Ω LOAD
Figure 15. IDD2 Supply Current vs. Temperature
0
10
20
30
40
50
60
–40
–20
0
20
40
60
80
tPYHL
TEMPERATURE (°C)
tPZHL
tPYLH
tPZLH
Figure 16. Driver Propagation Delay vs. Temperature
0
10
20
30
40
50
60
–40
–200
20
406080
TEMPERATURE (°C)
tPLH
tPHL
Figure 17. Receiver Propagation Delay vs. Temperature
CH1 2V
CH3 2V
CH2 2V
CH4 2V
M20ns
A CH1
2.32V
1
3
4
T
48ns
Δ: 2.12V
@: 7.72V
TxD
Z
Y
RxD
Figure 18. Driver/Receiver Propagation Delay, Low to High
(RLDIFF = 54 Ω, CL1 = CL2 = 100 pF)
CH1 2V
CH3 2V
CH2 2V
CH4 2V
M20ns
A CH1
3.24V
1
3
4
T
48ns
Δ: 2.12V
@: 7.72V
TxD
Z
Y
RxD
Figure 19. Driver/Receiver Propagation Delay, High to Low
(RLDIFF = 54 Ω, CL1 = CL2 = 100 pF)


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