ADM1485ARMZ-REEL7 Analog Devices Inc, ADM1485ARMZ-REEL7 Datasheet - Page 2

• Manufacturer Part Number: ADM1485ARMZ-REEL7
• Description: IC,LINE TRANSCEIVER,BICMOS,1 DRIVER,1 RCVR,TSSOP,8PIN,PLASTIC
• Manufacturer: Analog Devices Inc
• Type: Transceiverr

Specifications of ADM1485ARMZ-REEL7

• Number Of Drivers/receivers: 1/1
• Protocol: RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADM1485–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
|t
Matched Disable Switching
|t
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
AZH
AHZ
(Outputs Enabled)
(Outputs Disabled)
OD
OD
–t
–t
| for Complementary Output States
| for Complementary Output States
BZL
BLZ
PLH
|, |t
|, |t
–t
PHL
BZH
BHZ
|
EN1
EN2
SKEW
–t
–t
AZL
ALZ
R
, t
|
|
F
TH
OD
OL
OH
OUT
OUT
OC
PLH
PLH
(V
= High)
= Low)
CC
, t
INL
INL
INH
INH
, t
TH
= 5 V
PHL
PHL
5%. All specifications T
Min Typ
2.0
1.5
1.5
35
35
2.0
–0.2
12
2.0
4.0
7
Min Typ
2
8
(V
CC
70
1.0
0.6
10
1
8
10
10
0
0
15
5
5
1
1
= 5 V
–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
15
5
15
30
5
20
20
Max
0.2
0.2
250
250
1
85
2.2
Max
25
25
2
2
5%. All specifications T
MIN
Unit Test Conditions/Comments
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
Unit Test Conditions/Comments
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
to T
MAX
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 ≤ V
–7 V ≤ V
–7 V ≤ V
V
–7 V ≤ V
V
V
I
I
V
0.4 V ≤ V
Digital Inputs = GND or V
Digital Inputs = GND or V
R
R
R
R
R
R
R
C
C
C
C
, unless otherwise noted.)
OUT
OUT
CC
TST
CM
IN
IN
OUT
LDIFF
LDIFF
LDIFF
L
L
L
L
L
L
L
L
= 110 Ω, C
= 110 Ω, C
= 110 Ω, C
= 110 Ω, C
= 15 pF, Test Circuit 5
= 15 pF, Test Circuit 5
= 15 pF, R
= 15 pF, R
= +12 V
= –7 V
= 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
= 54 Ω, C
= 54 Ω, C
= 54 Ω, C
O
O
CM
CM
MIN
OUT
≤ +12 V
≤ +12 V
to T
≤ +12 V
≤ +12 V
≤ 2.4 V
L
L
L
L
L
L
MAX
= 50 pF, Test Circuit 4
= 50 pF, Test Circuit 4
= 1 kΩ, Test Circuit 6
= 1 kΩ, Test Circuit 6
= 50 pF, Test Circuit 4*
= 50 pF, Test Circuit 4*
L1
L1
L1
, unless otherwise noted.)
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