Data Sheet
ADM1490E/ADM1491E
Rev. D | Page 3 of 16
SPECIFICATIONS
4.75 V ≤ VCC ≤ 5.25 V; all minimum/maximum specifications apply over the entire recommended operation range, unless otherwise
noted. All typical specifications are at TA = 25°C, VCC = 5.0 V, unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
SUPPLY CURRENT
Outputs Enabled
ICC1
1.2
2.0
mA
Outputs unloaded, digital inputs = VCC or GND
Outputs Disabled
ICC2
0.8
1.5
mA
Outputs unloaded, digital inputs = VCC or GND
DRIVER
Differential Outputs
Differential Output Voltage, Loaded
|VOD2|
2.0
5.0
V
1.5
5.0
V
|VOD3|
1.5
5.0
V
|VOD| for Complementary Output States
|VOD2|
0.2
V
Common-Mode Output Voltage
VOC
3.0
V
|VOC| for Complementary Output States
|VOC|
0.2
V
Output Leakage Current (Y, Z)
IO
100
A
DE = 0 V, VDD = 0 V or 5 V, VIN = 12 V
IO
100
A
DE = 0 V, VDD = 0 V or 5 V, VIN = 7 V
Output Short-Circuit Current
IOS
250
mA
7 V < VOUT < +12 V
Logic Inputs DE, RE, DI
Input Low Voltage
VIL
0.8
V
DE, RE, DI
Input High Voltage
VIH
2.0
V
DE, RE, DI
Input Current
II
1
+1
A
DE, RE, DI
RECEIVER
Differential Inputs
Differential Input Threshold Voltage
VTH
0.2
+0.2
V
7 V < VCM < +12 V
Input Voltage Hysteresis
VHYS
30
mV
VCM = 0 V
Input Current (A, B)
II
1.0
mA
VCM = 12 V
0.8
mA
VCM = 7 V
Line Input Resistance
RIN
12
30
k
7 V ≤ VCM ≤ +12 V
Logic Outputs
Output Voltage Low
VOL
0.4
V
IOUT = +4.0 mA, VA VB = 0.2 V
Output Voltage High
VOH
4.0
V
IOUT = 4.0 mA, VA VB = +0.2 V
Short-Circuit Current
85
mA
Three-State Output Leakage Current
IOZR
±1
A
VCC = 5.25 V, 0.4 V < VOUT < 2.4 V