TLV2553

SLAS354B – SEPTEMBER 2001 – REVISED SEPTEMBER 2002

5

www.ti.com

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VOH

High level output voltage

VCC = 4.5 V, IOH = –1.6 mA

VCC = 2.7 V, IOH = –0.2 mA

30 pF

2.4

V

VOH

High-level output voltage

VCC = 4.5 V, IOH = –20 µA

VCC = 2.7 V, IOH = –20 µA

30 pF

VCC –0.1

V

VOL

Low level output voltage

VCC = 5.5 V, IOL = 1.6 mA

VCC = 3.6 V, IOH = 0.8 mA

30 pF

0.4

V

VOL

Low-level output voltage

VCC = 5.5 V, IOL = –20 µA

VCC = 3.6 V, IOH = –20 µA

30 pF

0.1

V

IOZ

High impedance off state output current

VO = VCC,

CS at VCC

1

2.5

µA

IOZ

High-impedance off-state output current

VO = 0 V,

CS at VCC

–1

–2.5

µA

ICC

Operating supply current

CS at 0 V

Ext Ref

VCC = 5 V

1.2

mA

ICC

Operating supply current

CS at 0 V,

Ext. Ref

VCC = 2.7 V

0.9

mA

ICC(PD)

Power-down current

For all digital inputs,

0

≤ VI ≤ 0.5 V or

VI ≥ VCC 05 V

Software power

down

0.1

1

µA

CC(PD)

VI ≥ VCC – 0.5 V,

I/O CLOCK = 0 V

Auto power down

0.1

10

µ

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

Ilk

Selected channel leakage current

Selected channel at VCC , Unselected

channel at 0 V

1

µA

Ilkg

Selected channel leakage current

Selected channel at 0 V, Unselected

channel at VCC

–1

µA

f(OSC)

Internal oscillator frequency

VCC = 4.5 V to 5.5 V

3.27

MHz

f(OSC)

Internal oscillator frequency

VCC = 2.7 V to 3.6 V

2.56

MHz

t

t

Conversion time = 13 5X [f(OSC)]+25ns

VCC = 4.5 V to 5.5 V

4.15

µs

tconvert

Conversion time = 13.5X [f(OSC)] + 25 ns

VCC = 2.7 V to 3.6 V

5.54

µs

Internal oscillator frequency voltage

3.6

4.1

V

Zi

Input impedance‡

Analog inputs

VCC = 4.5 V

500

Ω

Zi

Input impedance‡

Analog inputs

VCC = 2.7 V

600

Ω

Ci

Input capacitance

Analog inputs

45

55

pF

Ci

Input capacitance

Control inputs

5

15

pF

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

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