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ADM2490E 数据表(PDF) 4 Page - Analog Devices

部件名 ADM2490E
功能描述  High Speed, ESD-Protected, Full-Duplex, iCoupler Isolated RS-485 Transceiver
Download  16 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADM2490E 数据表(HTML) 4 Page - Analog Devices

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ADM2490E
Rev. A | 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
PACKAGE CHARACTERISTICS
Table 4.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions
Resistance (Input to Output)1
RI-O
1012
Ω
Capacitance (Input to Output)1
CI-O
3
pF
f = 1 MHz
Input Capacitance2
CI
4
pF
Input IC Junction-to-Case Thermal Resistance
θJCI
33
°C/W
Thermocouple located at center
of package underside
Output IC Junction-to-Case Thermal Resistance
θJCO
28
°C/W
1 Device considered a 2-terminal device: Pin 1, Pin 2, Pin 3, Pin 4, Pin 5, Pin 6, Pin 7, and Pin 8 are shorted together and Pin 9, Pin 10, Pin 11, Pin 12, Pin 13, Pin 14, Pin 15,
and Pin 16 are shorted together.
2 Input capacitance is from any input data pin to ground.


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