Datasheet

Data Sheet ADM202
Rev. B | Page 3 of 10
SPECIFICATIONS
V
CC
= 5 V ± 10%, (C1 to C4 = 0.1 µF). All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
OUTPUT VOLTAGE SWING ±5 ±9 V V
CC
= 5 V ± 5%; T1
OUT
and T2
OUT
loaded with 3 kΩ to GND
±5 ±9 V V
CC
= 5 V ± 10%; T
A
= 25°C; T1
OUT
and T2
OUT
loaded with 3 kΩ to GND
V
CC
POWER SUPPLY CURRENT (I
CC
) 2.5 6.0 mA No load; T1
IN
and T2
IN
= V
CC
, or T1
IN
and T2
IN
= GND
INPUT LOGIC THRESHOLD
Low, V
INL
0.8 V Tx
IN
High, V
INH
2.4
V
Tx
IN
LOGIC PULL-UP CURRENT 12 25 µA Tx
IN
= 0 V
RS-232 INPUT
Voltage Range −30 +30 V
Threshold
Low 0.8 1.2 V
High 1.6 2.4 V
Hysteresis
0.2
0.4
1.0
V
Resistance 3 5 7 kΩ T
A
= 0°C to 85°C
TTL/CMOS Output Voltage
Low, V
OL
0.4 V I
OUT
= 1.6 mA
High, V
OH
3.5 V I
OUT
= –1.0 mA
PROPAGATION DELAY 0.3 5 µs RS-232 to TTL
TRANSITION REGION SLEW RATE 8 V/µs R
L
= 3 kΩ, C
L
= 1000 pF, measured from +3 V to –3 V or –3 V to +3 V
BAUD RATE 120 kB R
L
= 3 kΩ, C
L
= 1 nF
OUTPUT
Output Resistance 300 Ω V
CC
= V+ = V– = 0 V, V
OUT
= ±2 V
RS-232 Output Short-Circuit Current ±10 ±60 mA