ADM3483/ADM3485/ADM3488/ADM3490
(V
CC
=3.3V ±0.3%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
Parameter
DRIVER
Differential Output Voltage, V
OD
Min
2.0
1.5
1.5
Typ
Max
Preliminary Technical Data
ADM3483/ADM3485/ADM3488/ADM3490— SPECIFICATIONS
Units
V
V
V
Test Conditions/Comments
R=100Ω (RS-422), Figure 3
Vcc = 3.3V ±5%
R=54Ω (RS-485), Figure 3
R=60Ω (RS-485), Vcc = 3.3V,
Figure 4
R=54Ω or 100Ω, Figure 3
R=54Ω or 100Ω, Figure 3
R=54Ω or 100Ω, Figure 3
DE,DI,RE
DE,DI,RE
DE,DI,RE
V
IN
= 12V
V
IN
= -7V
V
IN
= 12V
V
IN
= -7V
V
IN
= 12V
V
IN
= -7V
∆
|V
OD
| for Complementary Output States
Common Mode Output Voltage, V
OC
∆
|V
OC
| for Complementary Output States
DRIVER INPUT LOGIC
CMOS Input Logic Threshold Low, V
IH
CMOS Input Logic Threshold High, V
IL
CMOS Logic Input Current, I
N1
Input Current (A,B), I
N2
Output Leakage (Y,Z), I
O
Output Leakage (Y,Z) in Shudown Mode, I
O
RECEIVER
Differential Input Threshold Voltage, V
TH
Input Hysteresis,
∆
V
TH
CMOS Output Voltage High, V
OH
CMOS Output Voltage Low, V
OL
Three-State Output Leakage Current, I
OZR
Input Resistance , R
IN
POWER SUPPLY CURRENT
0.2
3
0.2
0.8
2.0
±2
1.0
-0.8
20
-20
1
-1
-0.2
50
Vcc – 0.4
0.4
±1
12
0.2
V
V
V
V
V
µA
mA
mA
µA
µA
µA
µA
V
mV
V
V
µA
kΩ
DE = 0V
VCC = 0V or 3.6V
DE = 0V,
RE
= 0V
VCC = 0V or 3.6V
DE = 0V,
RE
= 0V
VCC = 0V or 3.6V
-7V<V
CM
<+12V
V
CM
=0V
I
OUT
= -1.5mA V
ID
= 200mV,
Figure 5
I
OUT
= 2.5mA, V
ID
= 200mV,
Figure 5
Vcc = 3.6V, 0V
≤
V
OUT
≤
Vcc
-7V<V
CM
<+12V
DE = V
CC
RE
= 0V or V
CC
No Load,
DI = 0V or V
CC
DE = V
CC
RE
= 0V
DE = 0V,
RE
= V
CC
, DI = V
CC
or 0V
V
OUT
= -7V
V
OUT
= 12V
0V < V
RO
< V
CC
1.1
Supply Current
0.95
Supply Current in Shutdown Mode, I
SHDN
Driver Short-Circuit Output Current, I
OSD
Receiver Short-Circuit Output Current, I
OSR
±8
0.002
2.2
1.9
1
-250
250
±60
mA
mA
µA
mA
mA
mA
Rev.PrD | Page 2 of 14
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