Data Sheet ADM3101E
Rev. D | Page 3 of 12
SPECIFICATIONS
V
CC
= 3.3 V ± 0.3 V, C1 to C4 = 0.1 μF, −40°C ≤ T
A
≤ +85°C, unless otherwise noted.
Table 1.
Parameter Test Conditions/Comments Min Typ Max Unit
DC CHARACTERISTICS
Operating Voltage Range 3.0 3.3 5.5 V
Power Supply Current, V
CC
No load 1.5 2.6 mA
R
L
= 3 kΩ to GND 5 7 mA
LOGIC
Input Logic Threshold Low, V
INL
T
IN
0.6 V
Input Logic Threshold High, V
INH
T
IN
1.4 V
Input Logic Threshold Low, V
INL
T
IN
, V
CC
= 5.0 V ± 0.5 V 0.8 V
Input Logic Threshold High, V
INH
T
IN
, V
CC
= 5.0 V ± 0.5 V 2.0 V
CMOS Output Voltage Low, V
OL
I
OUT
= 1.6 mA 0.4 V
CMOS Output Voltage High, V
OH
I
OUT
= −1 mA
V
CC
− 0.6 V
Logic Pull-Up Current T
IN
= GND to V
CC
5 12 μA
RS-232 RECEIVER
EIA/TIA-232E Input Voltage Range
1
−30 +30 V
EIA/TIA-232E Input Threshold Low V
CC
= 3.0 V to 5.5 V 0.6 1.3 V
EIA/TIA-232E Input Threshold High 1.6 2.4 V
EIA/TIA-232E Input Hysteresis 0.4 V
EIA/TIA-232E Input Resistance 3 5 7 kΩ
TRANSMITTER
Output Voltage Swing
RS-232
V
CC
= 3.3 V to 5.5 V; transmitter output loaded
with 3 kΩ to ground
±5.0 ±5.7 V
RS-562 V
CC
= 3.0 V ±4.5 V
Transmitter Output Resistance V
CC
= 0 V, V
OUT
= ±2 V
1
300 Ω
RS-232 Output Short-Circuit Current ±15 mA
TIMING CHARACTERISTICS
Maximum Data Rate V
CC
= 3.3 V, R
L
= 3 kΩ to 7 kΩ, C
L
= 50 pF to 1000 pF 460 kbps
Receiver Propagation Delay
t
PHL
0.4 μs
t
PLH
0.4 μs
Transmitter Propagation Delay R
L
= 3 kΩ, C
L
= 1000 pF 600 ns
Transmitter Skew 80 ns
Receiver Skew 70 ns
Transition Region Slew Rate
+3 V to −3 V or −3 V to +3 V, V
CC
= +3.3 V,
R
L
= 3 kΩ, C
L
= 1000 pF, T
A
= 25°C
1
5.5 10 30 V/μs
ESD PROTECTION
RS-232 and CMOS I/O Pins Human body model air discharge ±15 kV
Human body model contact discharge ±8 kV
1
Guaranteed by design.
