Datasheet

Electrical characteristics ST3237EB
6/18
3 Electrical characteristics
Table 5. 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 SHDN=V
CC
, No Load 0.3 1 mA
I
SHDN
Shutdown supply current SHDN=GND, V
T_IN
=GND or V
CC
15µA
Table 6. Logic input (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
TIL
Input logic threshold low
(1)
T-IN, VHSCI, EN, SHDN 0.8 V
V
TIH
Input logic threshold high T-IN, VHSCI, EN, SHDN
V
CC
= 3.3V 2
V
V
CC
= 5V 2.4
I
IL
Input leakage current T-IN, VHSCI, EN, SHDN ± 1.0 µA
V
HYS
Transmitter input
hysteresis
0.25 V
1. Transmitter input hysteresis is typically 250 mV
Table 7. Transmitter (C
1
- C
4
= 0.1 µF tested at 3.3 V ± 10 %, 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
3KΩ to GND
± 5 ± 5.4 V
R
TOUT
Transmitter output
resistance
V
CC
= 0V, V
OUT
= ± 2V 300 10M Ω
I
SC
Output short circuit current ± 60 mA
I
TOL
Output leakage current
V
CC
= 0V or 3.3V to 5.5V
V
OUT
= ± 12V
Transmitters disable
± 25 µA