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ELECTRICAL CHARACTERISTICS

VSP1221

SLES012A – SEPTEMBER 2001 – REVISED JULY 2004

GENERAL SPECIFICATIONS

All typical specifications are at T

stated. All maximum specifications are assured across operating temperature and voltage ranges.

PARAMETERS

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER SUPPLY

Analog supply voltage

2.7

3

3.3

Digital supply voltage

2.7

3

3.3

V

Digital I/O supply voltage

1.8

3.3

20

24

29

Operating current

2

4

6

mA

0.5

1

4

Normal mode

80

90

100

Power dissipation

mW

Power-down mode

1

2

4

REFERENCE

Positive reference voltage

1 µF to ground (pin 38)

1.95

2.05

2.2

V

Negative reference voltage

1 µF to ground (pin 39)

0.7

0.75

0.9

V

External bandgap voltage reference

100 k

Ω to ground (pin 37)

1

V

Bandgap temperature coefficient

100

PPM/

°C

TEMPERATURE RANGE

Operating temperature

-20

75

°C

DIGITAL INPUT

Logic-high input voltage

0.8DIVDD

V

Logic-low input voltage

0.2DIVDD

Logic-high input current

-10

10

µA

Logic-low input current

-10

10

Input capacitance

5

pF

DIGITAL OUTPUT

Logic-high output voltage

0.8DIVDD

V

Logic-low output voltage

0.2DIVDD

High-impedance-state output current

-10

10

µA

Output capacitance

5

15

pF

4