參數(shù)資料
型號: ADM2490E
廠商: Analog Devices, Inc.
元件分類: RS-485
英文描述: High Speed, ESD-Protected, Full-Duplex, iCoupler, Isolated RS-485 Transceiver
中文描述: 高速,ESD保護,全雙工,所以iCoupler,隔離型RS - 485收發(fā)器
文件頁數(shù): 11/16頁
文件大?。?/td> 470K
代理商: ADM2490E
ADM2490E
TYPICAL PERFORMANCE CHARACTERISTICS
Rev. 0 | Page 11 of 16
2.70
2.75
2.80
2.85
2.90
2.95
3.00
TEMPERATURE (°C)
I
D
NO LOAD
100 LOAD
220-100-220 LOAD
0
–40
–20
0
20
40
60
80
100
Figure 10. I
DD1
Supply Current vs. Temperature (See Figure 5)
0
–40
10
20
30
40
50
60
70
TEMPERATURE (°C)
I
D
NO LOAD
100 LOAD
220-100-220 LOAD
0
–20
0
20
40
60
80
100
Figure 11. I
DD2
Supply Current vs. Temperature (See Figure 5)
0
10
20
30
40
50
60
–40
–20
0
20
40
60
80
100
TEMPERATURE (°C)
D
TPZHL
TPYLH
TPZLH
TPYHL
0
Figure 12. Driver Propagation Delay vs. Temperature
0
10
20
30
40
50
60
TEMPERATURE (°C)
D
t
PLH
t
PHL
–40
–20
0
20
40
60
80
100
0
Figure 13. Receiver Propagation Delay vs. Temperature
0
CH1
2V
CH3
2V
CH2 2V
CH4 2V
M20ns
T
44.2%
A CH2 2.84V
1
2
4
Y AND Z OUTPUTS
TxD
RxD
Figure 14. Driver/Receiver Propagation Delay, Low to High
(R
LDIFF
= 54 Ω, C
L1
= C
L2
= 100 pF)
0
CH1
2V
CH3
2V
CH2 2V
CH4 2V
M20ns
T
44.2%
A CH2 2.84V
1
2
4
TxD
RxD
Y AND Z OUTPUTS
Figure 15. Driver/Receiver Propagation Delay, High to Low
(R
LDIFF
= 54 Ω, C
L1
= C
L2
= 100 pF)
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