adm3485e Analog Devices, Inc., adm3485e Datasheet - Page 3

• Manufacturer Part Number: adm3485e
• Description: ?15 Kv Esd-protected, 3.3 V,12 Mbps, Eia Rs-485/rs-422 Transceiver
• Manufacturer: Analog Devices, Inc.

SPECIFICATIONS
V
Table 1.
Parameter
DRIVER
RECEIVER
POWER SUPPLY CURRENT
ESD PROTECTION
1
Δ|V
CC
Differential Outputs
Logic Inputs
Differential Inputs
RO Logic Output
Voltage Range
Supply Current
Shutdown Current
A, B Pins
All Pins Except A, B
OD
= +3.3 V ± 0.3 V. All specifications T
Differential Output Voltage
∆|V
Common-Mode Output Voltage
∆|V
Short-Circuit Output Current
Input High Voltage
Input Low Voltage
Logic Input Current
Differential Input Threshold Voltage
Input Voltage Hysteresis
Input Resistance (A, B)
Input Current (A, B)
Output Voltage High
Output Voltage Low
Short-Circuit Output Current
Tristate Output Leakage Current
| and Δ|V
OD
OC
| for Complementary Output States
| for Complementary Output States
OC
| are the changes in V
OD
and V
OC
, respectively, when DI input changes state.
MIN
to T
1
1
MAX
Symbol
V
∆V
V
∆V
I
V
V
I
V
∆V
R
I
V
V
I
I
V
I
I
OSD
IN1
IN2
OSR
OZR
CC
SHDN
IN
OD
OC
IH
IL
TH
OH
OL
CC
, unless otherwise noted.
OD
OC
TH
Min
2.0
1.5
1.5
–250
2.0
–0.2
12
–0.8
V
±8
3.0
Rev. C | Page 3 of 16
CC
– 0.4 V
Typ
50
1.1
0.95
0.002
±15
±4
Max
0.2
3
0.2
250
0.8
±2
+0.2
1.0
0.4
±60
±1
3.6
2.2
1.9
1
Unit
V
V
V
V
V
V
mA
mA
V
V
μA
V
mV
kΩ
mA
mA
V
V
mA
μA
V
mA
mA
μA
kV
kV
Test Conditions/Comments
R
R
R
R
R
R
V
V
DE, DI, RE
DE, DI, RE
DE, DI, RE
–7 V < V
V
–7 V < V
DE = 0 V, V
DE = 0 V, V
I
I
0 V < V
V
No load, DI = 0 V or V
RE = 0 V or V
No load, DI = 0 V or V
RE = 0 V
DE = 0 V, RE = V
Human body model
Human body model
OUT
OUT
L
L
L
L
L
L
OUT
OUT
CM
CC
= 100 Ω (RS-422) (see Figure 3)
= 54 Ω (RS-485) (see Figure 3)
= 60 Ω (RS-485) (see Figure 4)
= 54 Ω or 100 Ω (see Figure 3)
= 54 Ω or 100 Ω ( see Figure 3)
= 54 Ω or 100 Ω (see Figure 3)
= 3.6 V, 0 V < V
= –1.5 mA, V
= 2.5 mA, V
= 0 V
= –7 V
= 12 V
RO
CM
CM
< V
< +12 V
< +12 V
CC
CC
CC
CC
= 0 V or 3.6 V, V
= 0 V or 3.6 V, V
ID
CC
ID
= 200 mV (see Figure 5)
, DI = 0 V or V
OUT
= 200 mV (see Figure 5)
CC
CC
< V
, DE = V
, DE = 0 V,
CC
ADM3485E
IN
IN
= 12 V
= –7 V
CC
CC
,