AD645

–3–

REV. B

ORDERING GUIDE

Model

1

Temperature Range

Package Option

2

AD645JN

0

°C to +70°C

N-8

AD645KN

0

°C to +70°C

N-8

AD645AH

– 40

°C to +85°C

H-08A

AD645BH

– 40

°C to +85°C

H-08A

AD645CH

– 40

°C to +85°C

H-08A

AD645SH/883B

– 55

°C to +125°C

H-08A

NOTES

ABSOLUTE MAXIMUM RATINGS

1

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±18 V

Internal Power Dissipation

8-Pin Header Package . . . . . . . . . . . . . . . . . . . . . . 500 mW

8-Pin Mini-DIP Package . . . . . . . . . . . . . . . . . . . . 750 mW

Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±V

S

Output Short Circuit Duration . . . . . . . . . . . . . . . . Indefinite

Storage Temperature Range (H) . . . . . . . . . –65

°C to +150°C

Storage Temperature Range (N) . . . . . . . . . –65

°C to +125°C

Operating Temperature Range

AD645J/K . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

°C to +70°C

AD645A/B/C . . . . . . . . . . . . . . . . . . . . . . . –40

°C to +85°C

AD645S . . . . . . . . . . . . . . . . . . . . . . . . . . –55

°C to +125°C

Lead Temperature Range

(Soldering 60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . +300

°C

NOTES

permanent damage to the device. This is a stress rating only and functional

operation of the device at these or any other conditions above those indicated

in the operational section of this specification is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device

reliability.

8-Pin Plastic Mini-DIP Package:

θ

8-Pin Header Package:

θ

800

700

600

400

300

200

100

0

500

INPUT OFFSET VOLTAGE – mV

–1.0

0.8

–0.4 –0.2 0.0

0.4

0.6

1.0

–0.6

0.2

–0.8

Figure 4. Typical Distribution of Input

Offset Voltage (1855 Units)

120

110

100

90

80

70

60

50

40

30

10

20

0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

INPUT BIAS CURRENT – pA

Figure 5. Typical Distribution of Input

Bias Current (576 Units)

INPUT VOLTAGE NOISE –

µV p-p

25

20

15

10

5

0

0.4

1.0

1.2

1.4

1.6

1.8

0.6

0.8

Figure 6. Typical Distribution of 0.1 Hz

to 10 Hz Voltage Noise (202 Units)

WARNING!

ESD SENSITIVE DEVICE

CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily

accumulate on the human body and test equipment and can discharge without detection.

Although the AD645 features proprietary ESD protection circuitry, permanent damage may

occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD

precautions are recommended to avoid performance degradation or loss of functionality.

METALIZATION PHOTOGRAPH

Dimensions shown in inches and (mm).

Contact factory for latest dimensions.

AD645

10k

5

1

6

V

ADJUST

OS

3

7

2

4

Figure 3. AD645 Offset Null Configuration