adm485arm-reel7 Analog Devices, Inc., adm485arm-reel7 Datasheet - Page 2

• Manufacturer Part Number: adm485arm-reel7
• Description: 5 V Low Power Eia Rs-485 Transceiver
• Manufacturer: Analog Devices, Inc.

ADM485–SPECIFICATIONS
Parameter
DRIVER
RECEIVER
POWER SUPPLY CURRENT
Specifications subject to change without notice.
TIMING SPECIFICATIONS
Parameter
DRIVER
RECEIVER
*Guaranteed by characterization.
Specifications subject to change without notice.
Differential Output Voltage, V
V
∆|V
Common-Mode Output Voltage, V
∆|V
Output Short-Circuit Current (V
Output Short-Circuit Current (V
CMOS Input Logic Threshold Low, V
CMOS Input Logic Threshold High, V
Logic Input Current (DE, DI)
Differential Input Threshold Voltage, V
Input Voltage Hysteresis, ∆V
Input Resistance
Input Current (A, B)
CMOS Input Logic Threshold Low, V
CMOS Input Logic Threshold High, V
Logic Enable Input Current (RE)
CMOS Output Voltage Low, V
CMOS Output Voltage High, V
Short-Circuit Output Current
Three-State Output Leakage Current
I
I
Propagation Delay Input to Output t
Driver O/P to O/P, t
Driver Rise/Fall Time, t
Driver Enable to Output Valid
Driver Disable Timing
Matched Enable Switching
Matched Disable Switching
Propagation Delay Input to Output, t
Skew |t
Receiver Enable, t
Receiver Disable, t
Tx Pulse Width Distortion
Rx Pulse Width Distortion
CC
CC
OD3
|t
|t
(Outputs Enabled)
(Outputs Disabled)
OD
OD
AZH
AHZ
| for Complementary Output States
| for Complementary Output States
PLH
– t
– t
BZL
BLZ
– t
|, |t
|, |t
PHL
|
EN1
BZH
BHZ
EN2
SKEW
R
– t
– t
, t
F
AZL
ALZ
|
|
TH
OD
OL
OH
OUT
OUT
PLH
OC
PLH
(V
= High)
= Low)
, t
INL
INL
CC
, t
INH
INH
PHL
TH
PHL
= 5 V
Min Typ
2.0
1.5
1.5
35
35
2.0
–0.2
12
2.0
4.0
7
5%. All specifications T
Min
2
8
(V
CC
70
1.0
0.6
= 5 V
Typ
10
1
8
10
10
0
0
15
5
5
1
1
–2–
5.0
5.0
5.0
5.0
3
0.8
± 1.0
+0.2
–0.8
0.8
± 1
0.4
± 1.0
1
Max
0.2
0.2
250
250
1
85
2.2
5%. All specifications T
Max Unit
15
5
15
30
5
20
20
25
25
2
2
MIN
Unit
V
V
V
V
V
V
V
mA
mA
V
V
µA
V
mV
kΩ
mA
mA
V
V
µA
V
V
mA
µA
mA
mA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
to T
MAX
Test Conditions/Comments
R = ∞, Test Circuit 1
V
R = 27 Ω (RS-485), Test Circuit 1
V
R = 27 Ω or 50 Ω, Test Circuit 1
R = 27 Ω or 50 Ω, Test Circuit 1
R = 27 Ω or 50 Ω
–7 V
–7 V
–7 V
V
–7 V
V
V
I
I
V
0.4 V
Digital Inputs = GND or V
Digital Inputs = GND or V
, unless otherwise noted.)
Test Conditions/Comments
R
R
R
R
R
R
R
C
C
C
C
OUT
OUT
CC
TST
CM
IN
IN
OUT
LDIFF
LDIFF
LDIFF
L
L
L
L
L
L
L
L
= 12 V
= 110 Ω, C
= 110 Ω, C
= 110 Ω, C
= 110 Ω, C
= –7 V
= 15 pF, Test Circuit 5
= 15 pF, Test Circuit 5
= 15 pF, R
= 15 pF, R
= 5 V, R = 50 Ω (RS-422), Test Circuit 1
= 0 V
= +4.0 mA
= –4.0 mA
≤
≤
≤
≤
= –7 V to +12 V, Test Circuit 2
= GND or V
≤
MIN
V
V
V
V
V
= 54 Ω, C
= 54 Ω, C
= 54 Ω, C
O
O
CM
CM
to T
OUT
≤
≤
+12 V
≤
≤
+12 V
MAX
≤
+12 V
+12 V
L
L
L
L
, unless otherwise noted.)
L
L
2.4 V
= 50 pF, Test Circuit 4
= 50 pF, Test Circuit 4*
= 50 pF, Test Circuit 4*
= 50 pF, Test Circuit 4
= 1 kΩ, Test Circuit 6
= 1 kΩ, Test Circuit 6
L1
L1
L1
CC
= C
= C
= C
L2
L2
L2
= 100 pF, Test Circuit 3
= 100 pF, Test Circuit 3
= 100 pF, Test Circuit 3
CC
CC
REV. E