ADM3232E
SPECIFICATIONS
V
CC
= 3.3 V ± 0.3 V, C1 to C4 = 0.1 μF. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Parameter
DC CHARACTERISTICS
Operating Voltage Range
V
CC
Power Supply Current
LOGIC
Input Logic Threshold Low, V
INL
Input Logic Threshold High, V
INH
TTL/CMOS Output Voltage Low,
V
OL
TTLCMOS Output Voltage High,
V
OH
Logic Pull-Up Current
Transmitter Input Hysteresis
RS-232 RECEIVER
Input Voltage Range
Input Threshold Low
Input Threshold High
Input Hysteresis
Input Resistance
RS-232 TRANSMITTER
Output Voltage Swing (RS-232)
Output Voltage Swing (RS-562)
Transmitter Output Resistance
Output Short-Circuit Current
(RS-232)
TIMING CHARACTERISTICS
Maximum Data Rate
Receiver Propagation Delay
TPHL
TPLH
Transmitter Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Skew
Receiver Skew
Transition Region Slew Rate
ESD PROTECTION (RS-232 and
TTL/CMOS I/O PINS)
±15
±15
±8
kV
kV
kV
Human body model
IEC 1000-4-2 air discharge
IEC 1000-4-2 contact discharge
Min
3.0
Typ
3.3
1.3
Max
5.5
3
0.8
2.0
0.4
V
CC
− 0.6
5
0.5
−30
0.6
10
Unit
V
mA
V
V
V
V
μA
V
V
V
V
V
kΩ
V
V
Ω
mA
V
CC
= 3.3 V, all transmitter outputs loaded with 3 kΩ to
ground
V
CC
= 3.0 V
V
CC
= 0 V, V
OUT
= ±2 V
Test Conditions/Comments
No load
T
IN
T
IN
I
OUT
= 1.6 mA
I
OUT
=
−1
mA
T
IN
= GND to V
CC
+30
1.2
1.6
0.4
5
±5.2
2.4
7
3
±5.0
±3.7
300
±15
460
kbps
V
CC
= 3.3 V, R
L
= 3 kΩ to 7 kΩ, C
L
= 50 pF to 1000 pF,
one Tx switching
5.5
0.4
0.4
300
200
200
30
300
10
1
1
1.2
30
μs
μs
μs
ns
ns
ns
ns
V/μs
R
L
= 3 kΩ, C
L
= 1000 pF
Measured from +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
Rev. 0 | Page 3 of 12
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