Datasheet

ST3222E Electrical characteristics
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3 Electrical characteristics
Note: 1 Transmitter input hysteresis is typically 250 mV
Table 6. Electrical characteristics (C
1
- C
4
= 0.1 µF, V
CC
= 3 V to 5.5 V, T
A
= -40 to 85 °C, unless
otherwise specified. Typical values are referred to T
A
= 25 °C)
Symbol Parameter Test conditions Min. Typ. Max. Unit
I
SUPPLY
V
CC
power supply current No load, SHDN = V
CC
, T
A
= 25°C 0.3 1 mA
I
SHDN
Shutdown supply current No load, SHDN = V
CC
, T
A
= 25°C 1 10 µA
Table 7. Logic input electrical characteristics (C
1
- C
4
= 0.1 µF, V
CC
= 3 V to 5.5 V,
T
A
= -40 to 85 °C, unless otherwise specified. Typical values are referred to T
A
= 25 °C)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
IL
Input logic threshold low T-IN, EN, SHDN (Note: 1)0.8V
V
IH
Input logic threshold high
V
CC
= 3.3 V 2
V
V
CC
= 5 V 2.4
V
HYS
Transmitter input
hysteresis
0.25 V
I
IL
Input leakage current T-IN, EN, SHDN ± 0.01 ± 1µA
Table 8. Transmitter electrical characteristics (C
1
- C
4
= 0.1 µF V
CC
= 3 V to 5.5 V,
T
A
= -40 to 85 °C, unless otherwise specified. Typical values are referred to T
A
= 25 °C)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
TOUT
Output voltage swing
All transmitter outputs are loaded with
3 KΩ to GND
± 5 ± 5.4 V
R
TOUT
Transmitter output
resistance
V
CC
= V+ = V- = 0 V, V
OUT
= ± 2 V 300 10M Ω
I
TSC
Output short circuit
current
± 60 mA
I
TOL
Output leakage current
V
CC
= 0 or 3 V to 3.6 V, V
OUT
= ± 12 V
Transmitters disable
± 25 µA