ADM3491 Analog Devices, ADM3491 Datasheet - Page 2

• Manufacturer Part Number: ADM3491
• Description: 3.3 V/ Full Duplex/ 840 uA 20 Mbps/ EIA RS-485 Transceiver
• Manufacturer: Analog Devices

ADM3491–SPECIFICATIONS
Parameter
DRIVER
RECEIVER
POWER SUPPLY CURRENT
Specifications subject to change without notice.
Differential Output Voltage, V
Common-Mode Output Voltage V
CMOS Input Logic Threshold Low, V
CMOS Input Logic Threshold High, V
Logic Input Current (DE, DI, RE)
Output Leakage (Y, Z) Current
Output Short Circuit Current
Differential Input Threshold Voltage, V
Input Voltage Hysteresis, V
Input Resistance
Input Current (A, B)
Logic Enable Input Current (RE)
Output Voltage Low, V
Output Voltage High, V
Short Circuit Output Current
Three-State Output Leakage Current
I
Supply Current in Shutdown
CC
|V
|V
OD
OC
| for Complementary Output States
| for Complementary Output States
OL
OH
TH
OD
OC
INL
INH
TH
Min
2.0
1.5
1.5
2.0
–0.2
12
V
CC
–0.4 V
(V
CC
= +3.3 V
Typ
50
19
0.84
0.84
0.002
–2–
0.3 V. All specifications T
Max
0.2
3
0.2
0.8
+0.2
+1
–0.8
0.4
1.2
1.2
1
1.0
3
250
1
60
1.0
Units
V
V
V
V
V
V
V
V
mA
V
mV
k
mA
mA
V
V
mA
mA
mA
A
A
A
A
A
Test Conditions/Comments
R
R
R
R = 54
R = 54
R = 54
V
V
–7 V < V
V
–7 V < V
V
V
I
I
V
V
Outputs Unloaded,
DE = V
DE = 0 V, RE = 0 V
DE = 0 V, RE = V
OUT
OUT
L
L
L
O
O
CM
IN
IN
OUT
CC
= 60 , Figure 2, –7 V < V
= 100 , Figure 1, V
= 54 , Figure 1
= –7 V or +12 V, V
= –7 V or +12 V
MIN
= +12 V
= –7 V
= 3.6 V, 0 V < V
= 0 V
= +2.5 mA
= –1.5 mA
= GND or V
to T
CC
CM
CM
or 100 , Figure 1
or 100 , Figure 1
or 100 , Figure 1
, RE = 0 V
MAX
< +12 V
< +12 V
unless otherwise noted.)
CC
CC
OUT
CC
CC
= 0 V or 3.6 V
< V
> 3.1 V
TST
CC
< +12 V
REV. 0