ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
SPECIFICATIONS
VCC = 3.3 V ꢀ.3 V, TA = TMIN to TMAX, unless otherwise noted.
Table 2. ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
Parameter
Symbol Min
Typ
Max Unit
Test Conditions/Comments
DRIVER
Differential Outputs
Differential Output Voltage
VOD
2.0
1.5
1.5
V
V
V
V
V
V
mA
mA
RL = 100 Ω (RS-422) (see Figure 7)
RL = 54 Ω (RS-485) (see Figure 7)
RL = 60 Ω (RS-485) (see Figure 8)
RL = 54 Ω or 100 Ω (see Figure 7)
RL = 54 Ω or 100 Ω (see Figure 7)
RL = 54 Ω or 100 Ω (see Figure 7)
VOUT = −7 V
Δ|VOD| for Complementary Output States1
Common-Mode Output Voltage
Δ|VOC| for Complementary Output States1
∆VOD
VOC
∆VOC
IOSD
0.2
3
0.2
Short-Circuit Output Current
−250
−20
250
20
VOUT = 12 V
Output Leakage (Y, Z) (ADM3491E Only)
Normal Mode
IO
μA
μA
μA
μA
DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V,
VOUT = 12 V
DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V,
VOUT = −7 V
DE = 0 V, RE = VCC, VCC = 0 V or 3.6 V,
VOUT = 12 V
DE = 0 V, RE = VCC, VCC = 0 V or 3.6 V,
VOUT = −7 V
Shutdown Mode
1
−1
Logic Inputs
Input High Voltage
Input Low Voltage
Logic Input Current
VIH
VIL
IIN1
2.0
V
DE, DI, RE
DE, DI, RE
DE, DI, RE
0.8
2
V
μA
RECEIVER
Differential Inputs
Differential Input Threshold Voltage
Input Hysteresis
Input Resistance (A, B)
Input Current (A, B)
VTH
∆VTH
RIN
−0.2
12
0.2
1.0
V
−7 V < VCM < +12 V
VCM = 0 V
−7 V < VCM < +12 V
50
mV
kΩ
mA
mA
IIN2
DE = 0 V, VCC = 0 V or 3.6 V, VIN = 12 V
DE = 0 V, VCC = 0 V or 3.6 V, VIN = −7 V
−0.8
VCC − 0.4
8
RO Logic Output
Output High Voltage
Output Low Voltage
Short-Circuit Output Current
Tristate Output Leakage Current
POWER SUPPLY
VOH
VOL
IOSR
IOZR
V
V
mA
μA
IOUT = −1.5 mA, VID = 200 mV (see Figure 9)
IOUT = 2.5 mA, VID = 200 mV (see Figure 9)
0 V < VRO < VCC
0.4
60
1
VCC = 3.6 V, 0 V < VOUT < VCC
Voltage Range
Supply Current
VCC
ICC
3.0
3.6
2.2
V
mA
1.1
No load, DI = 0 V or VCC, DE = VCC,
RE = 0 V or VCC
0.95
0.002
1.9
1
mA
μA
No load, DI = 0 V or VCC, DE = 0 V,
RE = 0 V
Shutdown Current
ISHDN
DE = 0 V, RE = VCC, DI = 0 V or VCC
ESD PROTECTION
A, B, Y, Z Pins
All Pins Except A, B, Y, Z Pins
15
4
kV
kV
Human body model
Human body model
1 Δ|VOD| and Δ|VOC| are the changes in VOD and VOC, respectively, when DI input changes state.
Rev. A | Page 4 of 20
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