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ADM3072E Datasheet(PDF) 4 Page - Analog Devices

Part No. ADM3072E
Description  3.3 V, ±15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM3072E Datasheet(HTML) 4 Page - Analog Devices

 
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ADM3070E/ADM3071E/ADM3072E/ADM3073E/ADM3074E/ADM3075E/ADM3076E/ADM3077E/ADM3078E
Rev. A | Page 4 of 20
SPECIFICATIONS
VCC = 3.3 V ± 10%, TA = TMIN to TMAX, unless otherwise noted.
Table 2. ADM3070E/ADM3071E/ADM3072E/ADM3073E/ADM3074E/ADM3075E/ADM3076E/ADM3077E/ADM3078E
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Differential Outputs
Differential Output Voltage
VOD
2.0
VCC
V
RL = 100 Ω (RS-422) (see Figure 7)
1.5
VCC
V
RL = 54 Ω (RS-485) (see Figure 7)
VCC
V
No load
Δ|VOD| for Complementary Output States1
ΔVOD
0.2
V
R = 54 Ω or 100 Ω (see Figure 7)
Common-Mode Output Voltage
VOC
VCC/2
3
V
R = 54 Ω or 100 Ω (see Figure 7)
Δ|VOC| for Complementary Output States1
ΔVOC
0.2
V
R = 54 Ω or 100 Ω (see Figure 7)
Short-Circuit Output Current
IOSD
40
250
mA
0 V < VOUT < 12 V
250
40
mA
7 V < VOUT < VCC
Short-Circuit Foldback Output Current
IOSDF
20
mA
(VCC 1 V) < VOUT < 12 V
20
mA
7 V < VOUT < +1 V
Output Leakage (Y, Z) Full Duplex
IO
125
μA
DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V, VIN = 12 V
100
μA
DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V, VIN = −7 V
Logic Inputs
Input High Voltage
VIH
2.0
V
DE, DI, RE
Input Low Voltage
VIL
0.8
V
DE, DI, RE
Input Hysteresis
VHYS
100
mV
DE, DI, RE
Logic Input Current
IIN1
±1
μA
DE, DI, RE
Input Impedance First Transition
1
10
DE
Thermal Shutdown Threshold
TTS
175
°C
Thermal Shutdown Hysteresis
TTSH
15
°C
RECEIVER
Differential Inputs
Differential Input Threshold Voltage
VTH
200
125
50
mV
7 V < VCM < +12 V
Input Hysteresis
ΔVTH
15
mV
VA + VB = 0 V
Input Resistance (A, B)
RIN
96
7 V < VCM < +12 V
Input Current (A, B)
IA, B
125
μA
DE = 0 V, VCC = 0 V or 3.6 V, VIN = 12 V
100
μA
DE = 0 V, VCC = 0 V or 3.6 V, VIN = −7 V
RO Logic Output
Output High Voltage
VOH
VCC 0.6
V
IOUT = −1 mA
Output Low Voltage
VOL
0.4
V
IOUT = 1 mA
Short-Circuit Output Current
IOSR
±80
mA
0 V < VRO < VCC
Tristate Output Leakage Current
IOZR
±1
μA
VCC = 3.6 V, 0 V < VOUT < VCC
POWER SUPPLY
Supply Current
ICC
0.8
1.5
mA
No load, DE = VCC, RE = 0 V
0.8
1.5
mA
No load, DE = VCC, RE = VCC
0.8
1.5
mA
No load, DE = 0 V, RE = 0 V
Shutdown Current
ISHDN
0.05
10
μA
DE = 0 V, RE = VCC
ESD PROTECTION
A, B, Y, Z Pins
±15
kV
Human body model
All Pins Except A, B, Y, Z Pins
±4
kV
Human body model
1 Δ|VOD| and Δ|VOC| are the changes in VOD and VOC, respectively, when the DI input changes state.


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