Datasheet

ST3222
3/9
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied. V+ and V- can have a maximum magnitude of +7V, but their absolute addition can not exceed 13 V.
ELECTRICAL CHARACTERISTICS
(C
1
-C
4
=0.1µF, V
CC
=3Vto3.6V,T
A
= -40 to 85°C, unless otherwise specified.
Typical values are referred to T
A
=25°C)
LOGIC INPUT ELECTRICAL CHARACTERISTICS
(C
1
-C
4
=0.1µF, V
CC
=3Vto3.6V,T
A
= -40 to 85°C, unless otherwise specified.
Typical values are referred to T
A
=25°C)
Note 1: Transmitter input hysteresis is typically 250mV
TRANSMITTER ELECTRICAL CHARACTERISTICS
(C
1
-C
4
=0.1µFV
CC
=3Vto3.6V,T
A
= -40 to 85°C, unless otherwise specified.
Typical values are referred to T
A
=25°C)
Symbol Parameter Value Unit
V
CC
Supply Voltage
-0.3 to 6 V
V+
Doubled Voltage Terminal (V
CC
-0.3)to7
V
V- Inverted Voltage Terminal 0.3 to -7 V
V+ +|V-| 13 V
T
IN
Transmitter Input Voltage Range
-0.3 to 6 V
SHDN
Transmitter Input Voltage Range -0.3 to 6 V
R
IN
Receiver Input Voltage Range
± 25 V
T
OUT
Transmitter Output Voltage Range
± 13.2 V
R
OUT
Receiver Output Voltage Range -0.3 to (V
CC
+ 0.3)
V
t
SHORT
Transmitter Output Short to GND Time
Continuous
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
SUPPLY
V
CC
Power Supply Current No Load V
CC
= 3.3V T
A
=25°C
SHDN
=V
CC
0.3 1 mA
I
SHDN
SHUTDOWN Supply
Current
No Load V
CC
= 3.3V T
A
=25°C
SHDN
=V
CC
110µA
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
IL
Input Logic Threshold Low T-IN, EN, SHDN (Note 1) 0.8 V
V
IH
Input Logic Threshold High V
CC
= 3.3V 2 V
V
HYS
Transmitter Input
Histeresys
0.5 V
I
IL
Input Leakage Current T-IN, EN, SHDN ± 0.01 ± 1 µA
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
=V+=V-=0V V
OUT
= ± 2V 300 10M Ω
I
TSC
Output Short Circuit Current ± 60 mA
I
TOL
Output Leakage Current V
CC
= 0V or 3V to 3.6V V
OUT
= ± 12V
Transmitters Disable
± 25 µA