TLC2543MDBREP datasheet(5/25 Pages) TI

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Electrical Characteristics

TLC2543-EP

12-BIT ANALOG-TO-DIGITAL CONVERTER

WITH SERIAL CONTROL AND 11 ANALOG INPUTS

SGLS125A – JULY 2002 – REVISED NOVEMBER 2006

over recommended operating free-air temperature range, V

CC = Vref+ = 4.5 V to 5.5 V, f(I/O CLOCK) = 4.1 MHz

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

VCC = 4.5 V,

IOH = –1.6 mA

2.4

VOH

High-level output voltage

VCC = 4.5 V to 5.5 V,

IOH = –20 µA

VCC – 0.1

VCC = 4.5 V,

IOL = 1.6 mA

0.4

VOL

Low-level output voltage

VCC = 4.5 V to 5.5 V,

IOL = 20 µA

0.1

VO = VCC,

CS at VCC

2.5

High-impedance off-state

IOZ

µA

output current

VO = 0,

CS at VCC

–2.5

IIH

High-level input current

VI = VCC

µA

IIL

Low-level input current

VI = 0

–10

µA

ICC

Operating supply current

CS at 0 V

2.5

For all digital inputs,

ICC(PD)

Power-down current

µA

≤ V

I ≤ 0.5 V or VI ≥ VCC – 0.5 V

Selected channel at VCC, Unselected channel at 0 V

Selected channel

µA

leakage current

Selected channel at 0 V,

Unselected channel at VCC

–10

Maximum static analog

Vref+ = VCC,

Vref– = GND

2.5

µA

reference current into REF+

Analog inputs

Input

capacitance

Control inputs

(1)

All typical values are at VCC = 5 V, TA = 25°C.

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