TLV571

2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT,

PARALLEL ANALOG-TO-DIGITAL CONVERTER

SLAS239A – SEPTEMBER 1999 – REVISED FEBRUARY 2000

16

POST OFFICE BOX 655303

– 0.3 V to 6.5 V

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Analog input voltage range

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Reference input voltage range

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Digital input voltage range

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–40

°C to 150°C

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– 40

°C to 85°C

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–65

°C to 150°C

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Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds

260

°C

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† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

recommended operating conditions

power supplies

MIN

MAX

UNIT

Analog supply voltage, AVDD

2.7

5.5

V

Digital supply voltage, DVDD

2.7

5.5

V

NOTE 1: Abs (AVDD – DVDD) < 0.5 V

analog inputs

MIN

MAX

UNIT

Analog input voltage, AIN

AGND

VREFP

V

digital inputs

MIN

NOM

MAX

UNIT

High-level input voltage, VIH

DVDD = 2.7 V to 5.5 V

2.1

2.4

V

Low level input voltage, VIL

DVDD = 2.7 V to 5.5 V

0.8

V

Input CLK frequency

DVDD = 4.5 V to 5.5 V

20

MHz

Input CLK frequency

DVDD = 2.7 V to 3.3 V

10

MHz

Pulse duration CLK high t (CLKH)

DVDD = 4.5 V to 5.5 V, fCLK = 20 MHz

23

ns

Pulse duration, CLK high, tw(CLKH)

DVDD = 2.7 V to 3.3 V, fCLK = 10 MHz

46

ns

Pulse duration CLK low tw(CLKL)

DVDD = 4.5 V to 5.5 V, fCLK = 20 MHz

23

ns

Pulse duration, CLK low, tw(CLKL)

DVDD = 2.7 V to 3.3 V, fCLK = 10 MHz

46

ns

Rise time, I/O and control, CLK, CS

50 pF output load

4

ns

Fall time, I/O and control, CLK, CS

50 pF output load

4

ns

reference specifications

MIN

NOM

MAX

UNIT

VREFP

AVDD = 3 V

2

AVDD

V

VREFP

AVDD = 5 V

2.5

AVDD

V

External reference voltage

VREFM

AVDD = 3 V

AGND

1

V

VREFM

AVDD = 5 V

AGND

2

V

VREFP – VREFM

2

AVDD–AGND

V