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參數(shù)資料
型號(hào)： EVAL-ADM2490EEBZ
廠商： Analog Devices Inc
文件頁數(shù)： 10/16頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR ADM2490
標(biāo)準(zhǔn)包裝： 1
系列： *
ADM2490E
Rev. A | Page 3 of 16
SPECIFICATIONS
All voltages are relative to their respective ground; 2.7 ≤ VDD1 ≤ 5.5 V, 4.5 V ≤ VDD2 ≤ 5.5 V. All minimum/maximum specifications apply
over the entire recommended operation range, unless otherwise noted. All typical specifications are at TA = 25°C, VDD1 = VDD2 = 5.0 V,
unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions
SUPPLY CURRENT
Power Supply Current, Logic Side
TxD/RxD Data Rate < 2 Mbps
IDD1
3.0
mA
2.7 V ≤ VDD1 ≤ 5.5 V, unloaded
TxD/RxD Data Rate = 16 Mbps
IDD1
6
mA
100 Ω load between Y and Z
Power Supply Current, Bus Side
TxD/RxD Data Rate < 2 Mbps
IDD2
4.0
mA
2.7 V ≤ VDD1 ≤ 5.5 V, unloaded
TxD/RxD Data Rate = 16 Mbps
IDD2
60
mA
100 Ω load between Y and Z
DRIVER
Differential Outputs
Differential Output Voltage, Loaded
|VOD2|
2.0
5.0
V
RL = 50 Ω (RS-422), see Figure 3
1.5
5.0
V
RL = 27 Ω (RS-485), see Figure 3
|VOD4|
1.5
5.0
V
7 V ≤ VTEST1 ≤ +12 V, see Figure 4
|VOD| for Complementary Output States
|VOD|
0.2
V
RL = 54 Ω or 100 Ω, see Figure 3
Common-Mode Output Voltage
VOC
3.0
V
RL = 54 Ω or 100 Ω, see Figure 3
|VOC| for Complementary Output States
|VOC|
0.2
V
RL = 54 Ω or 100 Ω, see Figure 3
Short-Circuit Output Current
IOS
200
mA
Logic Inputs
Input Threshold Low
VIL
0.25 × VDD1
V
Input Threshold High
VIH
0.7 × VDD1
V
TxD Input Current
ITxD
10
+0.01
+10
μA
RECEIVER
Differential Inputs
Differential Input Threshold Voltage
VTH
0.2
+0.2
V
Input Voltage Hysteresis
VHYS
70
mV
VOC = 0 V
Input Current (A, B)
II
1.0
mA
VOC = 12 V
0.8
mA
VOC = 7 V
Line Input Resistance
RIN
12
kΩ
Logic Outputs
Output Voltage Low
VOLRxD
0.2
0.4
V
IORxD = 1.5 mA, VA VB = 0.2 V
Output Voltage High
VOHRxD
VDD1 0.3
VDD1 0.2
V
IORxD = 1.5 mA, VA VB = 0.2 V
Short-Circuit Current
100
mA
COMMON-MODE TRANSIENT IMMUNITY1
25
kV/μs
VCM = 1 kV, transient
magnitude = 800 V
1 CM is the maximum common-mode voltage slew rate that can be sustained while maintaining specification-compliant operation. VCM is the common-mode potential
difference between the logic and bus sides. The transient magnitude is the range over which the common-mode is slewed. The common-mode voltage slew rates
apply to both rising and falling common-mode voltage edges.
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