ST3222C datasheet(5/13 Pages) STMICROELECTRONICS

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ST3222B - ST3222C

Electrical characteristics

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Electrical characteristics

Note:

Transmitter input hysteresis is typically 250 mV

Table 4.

Electrical characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 3.6 V, TA = -40 to 85 °C, unless

otherwise specified. Typical values are referred to TA = 25 °C)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ISUPPLY

VCC power supply

current

No load

VCC = 3.3V TA = 25°C

SHDN=VCC

0.3

ISHDN

SHUTDOWN supply

current

No load

VCC = 3.3V TA = 25°C

SHDN=VCC

110

µA

Table 5.

Logic input electrical characteristics (C1 - C4 = 0.1 µF, VC = 3 V to 3.6 V,

TA = - 40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIL

Input logic threshold low T-IN, EN, SHDN (Note:)0.8

VIH

Input logic threshold

high

VCC = 3.3V

VHYS

Transmitter input

hysteresis

0.5

IIL

Input leakage current

T-IN, EN, SHDN

± 0.01

± 1µA

Table 6.

Transmitter electrical characteristics (C1 - C4 = 0.1 µA VCC = 3 V to 3.6 V,

TA = -40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VTOUT

Output voltage swing

All transmitter outputs are loaded with

Ω to GND

± 5

± 5.4

RTOUT

Transmitter output

resistance

VCC = V+ = V- = 0V, VOUT = ± 2V

300

10M

ITSC

Output short circuit

current

± 60

ITOL

Output leakage current

VCC = 0V or 3V to 3.6V, VOUT = ± 12V

Transmitters disable

± 25

µA

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