Datasheet

ADM483
Rev. 0 | Page 3 of 16
SPECIFICATIONS
V
CC
= 5 V ± 5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
DRIVER
Differential Output Voltage, V
OD
5 V
R = ∞, Figure 3
2.0 V R = 50 Ω (RS-422), Figure 3
1.5 5 V R = 27 Ω (RS-485), Figure 3
1.5 5 V V
TST
= –7 V to 12 V, Figure 4
∆ |V
OD
| for Complementary Output States 0.2 V R = 27 Ω or 50 Ω, Figure 3
Common-Mode Output Voltage, V
OC
3 V R = 27 Ω or 50 Ω, Figure 3
∆ |V
OC
| for Complementary Output States 0.2 V R = 27 Ω or 50 Ω, Figure 3
Output Short-Circuit Current, V
OUT
= High 35 250 mA –7 V < V
OUT
< +12 V
Output Short-Circuit Current, V
OUT
= Low 35 250 mA –7 V < V
OUT
< +12 V
DRIVER INPUT LOGIC
CMOS Input Logic Threshold Low 0.8 V
CMOS Input Logic Threshold High 2.0 V
CMOS Logic Input Current (DI) ±2 µA
DE Input Resistance to GND 220 kΩ
RECEIVER
Differential Input Threshold Voltage, V
TH
–200 +200 mV –7 V < V
CM
< +12 V
Input Hysteresis 70 mV V
CM
= 0V
Input Resistance (A, B) 12 kΩ –7 V < V
CM
< +12 V
Input Current (A, B) 1 mA V
IN
= +12 V
–0.8 mA V
IN
= –7 V
CMOS Logic Input Current (RE)
±2 µA
CMOS Output Voltage Low 0.4 V I
OUT
= 4 mA
CMOS Output Voltage High 3.5 V I
OUT
= –4 mA
Output Short-Circuit Current 7 95 mA 0 V < V
OUT
< V
CC
Three-State Output Leakage Current ±2 µA 0.4 ≤ V
OUT
≤ 2.4 V
POWER SUPPLY CURRENT 0.1 10 µA
DE = 0 V,
RE = V
CC
(shutdown)
120 250 µA
DE = 0 V,
RE = 0 V
350 650 µA DE = V
CC