ADM560/ADM561
Rev. B | Page 3 of 12
SPECIFICATIONS
VCC = +3.3 V ± 10%, C1 to C4 = 1 μF, all specifications TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
Output Voltage Swing
±5.0
±5.5
V
VCC = 3.3 V, three transmitter outputs loaded with 3 kΩ to ground
±4
±4.5
V
VCC = 3.0 V, all transmitter outputs, loaded with 3 kΩ to ground
VCC Power Supply Current
3.5
5
mA
No load, TIN = VCC
3.5
5
mA
No load, TIN = GND
Shutdown Supply Current
0.2
5
μA
SHDN = GND (ADM560), SHDN = VCC (ADM561), TIN = VCC
Input Logic Threshold Low, VINL
0.4
V
TIN, EN, EN , SHDN, SHDN
Input Logic Threshold High, VINH
2.4
V
TIN, EN, EN, SHDN, SHDN
Logic Pull-Up Current
3
20
μA
TIN = 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, VOL
0.4
V
IOUT = 1.6 mA
CMOS Output Voltage High, VOH
2.8
V
IOUT = 40 mA
CMOS Output Leakage Current
+0.05
±5
μA
EN = VCC, EN = GND, 0 V ≤ ROUT ≤ VCC
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
RL = 3 kΩ, CL = 2500 pF measured from +3 V to 3 V or
3 V to +3 V
Transmitter Output Resistance
300
Ω
VCC = V+ = V = 0 V, VOUT = ±2 V
RS-232 Output Short-Circuit Current
±10
mA