TLC541 datasheet(5/11 Pages) TI

5 / 11 page

TLC540I, TLC541I

8-BIT ANALOG-TO-DIGITAL CONVERTERS

WITH SERIAL CONTROL AND 11 INPUTS

SLAS065A – OCTOBER 1983 – REVISED MARCH 1995

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating temperature range, VCC = Vref+ = 4.75 V to

5.5 V, fclock(I/O) = 2.048 MHz for TLC540 or fclock(I/O) = 1.1 MHz for TLC541 (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VOH

High-level output voltage, DATA OUT

VCC = 4.75 V,

IOH = 360 µA

2.4

VOL

Low-level output voltage

VCC = 4.75 V, IOL = 1.6 mA

0.4

IOZ

Off state (high impedance state) output current

VO = VCC,

CS at VCC

µA

IOZ

Off-state (high-impedance state) output current

VO = 0,

CS at VCC

–10

µA

IIH

High-level input current

VI =VCC

0.005

2.5

µA

IIL

Low-level input current

VI = 0

– 0.005

– 2.5

µA

ICC

Operating supply current

CS at 0 V

1.2

2.5

Selected channel leakage current

Selected channel at VCC,

Unselected channel at 0 V

0.4

µA

Selected channel leakage current

Selected channel at 0 V,

Unselected channel at VCC

– 0.4

–1

µA

ICC + Iref Supply and reference current

Vref+ = VCC,

CS at 0 V

1.3

Input capacitance

Analog inputs

Input capacitance

Control inputs

† All typical values are at TA = 25°C.

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