ST3222EBPR datasheet(5/15 Pages) STMICROELECTRONICS

5 / 15 page

ST3222E

Electrical characteristics

5/15

Electrical characteristics

Note:

Transmitter input hysteresis is typically 250 mV

Table 6.

Electrical characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 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, SHDN = VCC, TA = 25°C

0.3

ISHDN

Shutdown supply current

No load, SHDN = VCC, TA = 25°C

µA

Table 7.

Logic input electrical characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 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: 1)0.8

VIH

Input logic threshold high

VCC = 3.3 V

VCC = 5 V

2.4

VHYS

Transmitter input

hysteresis

0.25

IIL

Input leakage current

T-IN, EN, SHDN

± 0.01

± 1µA

Table 8.

Transmitter electrical characteristics (C1 - C4 = 0.1 µF VCC = 3 V to 5.5 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

3 K

Ω to GND

± 5

± 5.4

RTOUT

Transmitter output

resistance

VCC = V+ = V- = 0 V, VOUT = ± 2 V

300

10M

ITSC

Output short circuit

current

± 60

ITOL

Output leakage current

VCC = 0 or 3 V to 3.6 V, VOUT = ± 12 V

Transmitters disable

± 25

µA

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