TLV2553_15 datasheet(6/36 Pages) TI1

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TLV2553

SLAS354C – SEPTEMBER 2001 – REVISED SEPTEMBER 2015

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6.5 Electrical Characteristics

over recommended operating free-air temperature range, when VCC = 5 V: VREF+ = 5 V, I/O CLOCK frequency = 15 MHz,

when VCC = 2.7 V: VREF+ = 2.5 V, I/O CLOCK frequency = 10 MHz (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

VCC = 4.5 V, IOH = –1.6 mA

2.4

VCC = 2.7 V, IOH = –0.2 mA

VOH

High-level output voltage

30 pF

VCC = 4.5 V, IOH = –20 μA

VCC – 0.1

VCC = 2.7 V, IOH = –20 μA

VCC = 4.5 V, IOL = –1.6 mA

0.4

VCC = 2.7 V, IOL = –0.8 mA

VOL

Low-level output voltage

30 pF

VCC = 4.5 V, IOL = –20 μA

0.1

VCC = 2.7 V, IOL = –20 μA

VO = VCC, CS = VCC

2.5

IOZ

High-impedance off-state output current

μA

VO = 0 V, CS = VCC

–1

–2.5

VCC = 5 V

1.2

CS = 0 V,

ICC

Operating supply current

External reference

VCC = 2.7 V

0.9

For all digital inputs,

Software power down

0.1

≤ VI ≤ 0.5 V or

ICC(PD)

Power-down current

μA

VI ≥ VCC – 0.5 V,

Auto power down

0.1

I/O CLOCK = 0 V

IIH

High-level input current

VI = VCC

0.005

2.5

μA

IIL

Low-level input current

VI = 0 V

–0.005

–2.5

μA

Selected channel at VCC ,

Unselected channel at 0 V

Ilkg

Selected channel leakage current

μA

Selected channel at 0 V,

–1

Unselected channel at VCC

VCC = 4.5 V to 5.5 V

3.27

fOSC

Internal oscillator frequency

MHz

VCC = 2.7 V to 3.6 V

2.56

VCC = 4.5 V to 5.5 V

4.15

Conversion time

tconvert

μs

(13.5 × (1/fOSC) + 25 ns)

VCC = 2.7 V to 3.6 V

5.54

Internal oscillator frequency voltage

3.6

4.1

VCC = 4.5 V

500

Input impedance(2)

Analog inputs

Ω

VCC = 2.7 V

600

Analog inputs

Input capacitance

Control inputs

(1)

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

(2)

The switch resistance is very nonlinear and varies with input voltage and supply voltage. This is the worst case.

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