adm2486 Analog Devices, Inc., adm2486 Datasheet - Page 3

• Manufacturer Part Number: adm2486
• Description: High Speed, Half-duplex Icoupler Isolated Rs-485 Transceiver
• Manufacturer: Analog Devices, Inc.

SPECIFICATIONS
2.7 V ≤ V
Table 1.
Parameter
DRIVER
RECEIVER
POWER SUPPLY CURRENT
Differential Outputs
Driver Enable Output, DE Pin
Logic Inputs
Differential Inputs
RxD Logic Output
Differential Output Voltage, V
Δ |V
Common-Mode Output Voltage, V
Δ |V
Output Short-Circuit Current, V
Output Short-Circuit Current, V
Output High Voltage
Output Low Voltage
Input High Voltage
Input Low Voltage
CMOS Logic Input Current (TxD, RTS, RE, PV)
Differential Input Threshold Voltage, V
Input Hysteresis
Input Resistance (A, B)
Input Current (A, B)
Output High Voltage
Output Low Voltage
Output Short-Circuit Current
Three-State Output Leakage Current
Logic Side
Bus Side
OD
OC
DD1
| for Complementary Output States
| for Complementary Output States
≤ 5.5 V, 4.75 V ≤ V
DD2
OD
OUT
OUT
≤ 5.25 V, T
OC
= High
= Low
TH
A
= T
MIN
to T
Min
2.1
2.1
2.1
60
60
V
V
V
0.7 V
−10
−200
20
V
V
7
DD2
DD2
DD2
DD1
DD1
MAX
− 0.1
− 0.3
− 0.4
− 0.1
− 0.4
DD1
Rev. D | Page 3 of 20
, unless otherwise noted.
Typ
V
V
0.1
0.2
+0.01
70
30
V
0.2
1.0
4.0
2.1
43.0
58.0
DD2
DD2
DD1
− 0.1
− 0.2
− 0.2
Max
5
5
5
5
0.2
3
0.2
200
200
0.1
0.3
0.4
0.25 V
+10
+200
0.6
−0.35
0.1
0.4
85
±1
1.3
0.8
1.1
3.0
DD1
Unit
V
V
V
V
V
V
V
mA
mA
V
V
V
V
V
V
V
V
μA
mV
mV
kΩ
mA
mA
V
V
V
V
mA
μA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Test Conditions/Comments
R = ∞, see Figure 3
R = 50 Ω (RS-422), see Figure 3
R = 27 Ω (RS-485), see Figure 3
V
see Figure 4
R = 27 Ω or 50 Ω, see Figure 3
R = 27 Ω or 50 Ω, see Figure 3
R = 27 Ω or 50 Ω, see Figure 3
−7 V ≤ V
−7 V ≤ V
I
I
I
I
I
I
TxD, RTS, RE, PV
TxD, RTS, RE, PV
TxD, RTS, RE, PV = V
−7 V ≤ V
−7 V ≤ V
−7 V ≤ V
V
V
I
I
I
I
V
0.4 V ≤ V
RTS = 0 V, V
2 Mbps, V
20 Mbps, V
RTS = 0 V, V
2 Mbps, V
20 Mbps, V
RTS = 0 V
2 Mbps, RTS = V
20 Mbps, RTS = V
ODE
ODE
ODE
ODE
ODE
ODE
OUT
OUT
OUT
OUT
TST
IN
IN
OUT
= + 12 V
= −7 V
= 20 μA
= 1.6 mA
= 4 mA
= −20 μA
= −1.6 mA
= −4 mA
= 20 μA, V
= 4 mA, V
= −20 μA, V
= −4 mA, V
= −7 V to +12 V, V
= GND or V
OUT
OUT
CM
CM
CM
OUT
DD1
DD1
≤ +12 V
≤ +12 V
≤ +12 V
DD1
DD1
DD1
DD1
≤ +12 V
≤ +12 V
≤ 2.4 V
= 5.5 V, see Figure 5
= 3 V, see Figure 5
A
A
= 5.5 V, see Figure 5
= 3 V, see Figure 5
− V
= 5.5 V
= 3 V
A
− V
A
CC
DD1
− V
− V
DD1
B
B
, see Figure 5
= 0.2 V
DD1
B
= 0.2 V
B
, see Figure 5
= −0.2 V
= −0.2 V
DD1
ADM2486
or 0 V
≥ 4.7,