Model

AD670J

AD670K

Min

Typ

Max

Min

Typ

Max

Units

OPERATING TEMPERATURE RANGE

0

+70

0

+70

°C

RESOLUTION

8

8

Bit

CONVERSION TIME

10

10

µs

RELATIVE ACCURACY

1/2

1/4

LSB

l/2

1/2

LSB

DIFFERENTIAL LINEARITY ERROR

1

GUARANTEED NO MISSING CODES ALL GRADES

GAIN ACCURACY

@ +25

°C

1.5

0.75

LSB

2.0

1.0

LSB

UNIPOLAR ZERO ERROR

@ +25

°C

1.5

0.75

LSB

2.0

1.0

LSB

BIPOLAR ZERO ERROR

@ +25

°C

1.5

0.75

LSB

2.0

1.0

LSB

ANALOG INPUT RANGES

Low Range

0 to +255

0 to +255

mV

–128 to +127

–128 to +127

mV

High Range

0 to +2.55

0 to +2.55

V

–1.28 to +1.27

–1.28 to +1.27

V

ABSOLUTE (Inputs to Power GND)

–0.150

–0.150

V

–1.50

–1.50

V

BIAS CURRENT (255 mV RANGE)

200

500

200

500

nA

OFFSET CURRENT (255 mV RANGE)

40

200

40

200

nA

2.55 V RANGE INPUT RESISTANCE

8.0

12.0

8.0

12.0

k

Ω

2.55 V RANGE FULL-SCALE MATCH

+ AND – INPUT

±1/2

±1/2

LSB

COMMON-MODE REJECTION

RATIO (255 mV RANGE)

11

LSB

COMMON-MODE REJECTION

RATIO (2.55 V RANGE)

1

1

LSB

POWER SUPPLY

Operating Range

4.5

5.5

4.5

5.5

V

30

45

30

45

mA

0.015

0.015

% of FS/%

DIGITAL OUTPUTS

1.6

1.6

mA

0.5

0.5

mA

THREE-STATE LEAKAGE CURRENT

40

40

µA

OUTPUT CAPACITANCE

5

5

pF

DIGITAL INPUT VOLTAGE

0.8

0.8

V

2.0

2.0

V

DIGITAL INPUT CURRENT

(0

≤ V

–100

–100

µA

+100

+100

µA

INPUT CAPACITANCE

10

10

pF

NOTES

Specifications shown in boldface are tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels. All min and max specifications

are guaranteed although only those shown in boldface are tested on all production units.

Specifications subject to change without notice.

REV. A

–2–