Datasheet

ADM560/ADM561
Rev. B | Page 3 of 12
SPECIFICATIONS
V
CC
= +3.3 V ± 10%, C1 to C4 = 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 ±5.0 ±5.5 V V
CC
= 3.3 V, three transmitter outputs loaded with 3 kΩ to ground
±4 ±4.5 V V
CC
= 3.0 V, all transmitter outputs, loaded with 3 kΩ to ground
V
CC
Power Supply Current 3.5 5 mA No load, T
IN
= V
CC
3.5 5 mA No load, T
IN
= GND
Shutdown Supply Current 0.2 5 μA
SHDN = GND (ADM560), SHDN = V
CC
(ADM561), T
IN
= V
CC
Input Logic Threshold Low, V
INL
0.4 V
T
IN
, EN, EN , SHDN, SHDN
Input Logic Threshold High, V
INH
2.4 V
T
IN
, EN, EN, SHDN, SHDN
Logic Pull-Up Current 3 20 μA T
IN
= GND
EIA-232 Input Voltage Range –25 +25 V
EIA-232 Input Threshold Low 0.4 0.8 V
EIA-232 Input Threshold High 1.1 2.4 V
EIA-232 Input Hysteresis 0.3 V
EIA-232 Input Resistance 3 5 7 kΩ
CMOS Output Voltage Low, V
OL
0.4 V I
OUT
= 1.6 mA
CMOS Output Voltage High, V
OH
2.8 V I
OUT
= −40 mA
CMOS Output Leakage Current +0.05 ±5 μA
EN = V
CC
, EN = GND, 0 V ≤ R
OUT
≤ V
CC
Output Enable Time 100 ns
Output Disable Time 50 ns
Receiver Propagation Delay
TPHL 0.1 1 μs
TPLH 0.5 2 μs
Transition Region Slew Rate 4.5 V/μs
R
L
= 3 kΩ, C
L
= 2500 pF measured from +3 V to −3 V or
−3 V to +3 V
Transmitter Output Resistance 300 Ω V
CC
= V+ = V− = 0 V, V
OUT
= ±2 V
RS-232 Output Short-Circuit Current ±10 mA