ADM485E AD [Analog Devices], ADM485E Datasheet - Page 3

• Manufacturer Part Number: ADM485E
• Manufacturer: AD [Analog Devices]

SPECIFICATIONS
V
Table 2. ADM485E/ADM487E/ADM1487E
Parameter
DRIVER
RECEIVER
POWER SUPPLY
ESD PROTECTION
CC
Differential Outputs
Logic Inputs
Input Current (A, B)
Differential Inputs
Receiver Output Logic
No Load Supply Current
Supply Current in Shutdown
Driver Short-Circuit Current, V
Driver Short-Circuit Current, V
Receiver Short-Circuit Current
A, B Pins
= 5 V ± 5%, T
Differential Output Voltage (no Load)
Differential Output Voltage (with Load)
Δ |V
States
Common-Mode Output Voltage
Δ |V
States
Input High Voltage
Input Low Voltage
Logic Input Current
Differential Input Threshold Voltage
Input Hysteresis
Output Voltage High
Output Voltage Low
Three-State Output Leakage Current
Receiver Input Resistance
OD
OC
| for Complementary Output
| for Complementary Output
A
= T
MIN
to T
MAX
O
O
High
Low
, unless otherwise noted.
Symbol
V
V
V
V
V
I
I
V
ΔV
V
V
I
R
I
I
I
I
I
IN1
IN2
OZR
CC
SHDN
OSD1
OSD2
OSR
OD1
OD2
OC
IH
IL
TH
OH
OL
IN
TH
Min
2
1.5
2.0
−0.8
−0.2
−0.2
3.5
12
48
35
35
7
Rev. 0 | Page 3 of 16
Typ
70
500
300
300
230
250
120
0.5
±15
Max
5
5
0.2
3
0.2
0.8
±2
1.0
0.25
+0.2
0.4
±1
900
500
500
400
400
250
10
250
250
95
Unit
V
V
V
V
V
V
V
V
μA
mA
mA
mA
mA
V
mV
V
V
μA
kΩ
kΩ
μA
μA
μA
μA
μA
μA
μA
mA
mA
kV
ADM485E/ADM487E/ADM1487E
Test Conditions/Comments
R
R
R
R
R
DE, DI, RE
DE, DI, RE
DE, DI, RE
DE = 0 V, V
V
DE = 0 V, V
V
(ADM487E/ADM1487E)
−7 V < V
V
I
I
0.4 V < V
−7 V < V
−7 V< V
RE = 0 V or V
RE = 0 V or V
RE = 0 V or V
RE = 0 V or V
RE = 0 V or V
RE = 0 V, DE = 0 V (ADM487E)
DE = 0 V, RE = V
−7 V ≤ V
−7 V ≤ V
0 V ≤ V
Human body model
OUT
OUT
L
L
L
L
L
CC
CC
CM
= 50 Ω (RS-422)
= 27 Ω (RS-485) (see Figure 18)
= 27 Ω or 50 Ω (see Figure 18)
= 27 Ω or 50 Ω (see Figure 18)
= 27 Ω or 50 Ω (see Figure 18)
= 0 V or +5.25 V, V
= 0 V or +5.25 V, V
= −4 mA, V
= +4 mA, V
= 0 V
O
CM
CM
CM
O
O
≤ V
O
< 2.4 V
≤ +12 V, applies to peak current
≤ +12 V, applies to peak current
< +12 V (ADM487E/ADM1487E)
IN
IN
< +12 V
< +12 V (ADM485E)
CC
= 12 V
= 12 V
CC
CC
CC
CC
CC
, DE = V
, DE = 0 V (ADM485E)
, DE = V
, DE = 0 V (ADM1487E)
, DE = V
ID
ID
CC
= +200 mV
= −200 mV
(ADM487E)
IN
IN
CC
CC
CC
= −7 V (ADM485E)
= −7 V
(ADM485E)
(ADM1487E)
(ADM487E)