AD622

REV. C

–5–

WARM-UP TIME – Minutes

2

1.5

0

05

1

234

1

0.5

Figure 3. Change in Input Offset Voltage vs. Warm-Up

Time

FREQUENCY – Hz

1000

10

1

1

100k

10

100

1k

10k

100

GAIN = 1

GAIN = 10

GAIN = 100, 1,000

GAIN = 1000

BW LIMIT

Figure 4. Voltage Noise Spectral Density vs. Frequency,

(G = 1–1000)

FREQUENCY – Hz

1000

100

10

0

1000

10

100

Figure 5. Current Noise Spectral Density vs. Frequency

FREQUENCY – Hz

0.1

1M

1

10

100

1k

10k

100k

0

140

80

60

40

20

120

100

G = 1000

G = 100

G = 10

G = 1

Figure 6. CMR vs. Frequency, RTI, Zero to 1 k

Ω Source

Imbalance

FREQUENCY – Hz

0.1

1M

1

10

100

1k

10k

100k

180

0

160

100

80

60

40

140

120

G = 1000

G = 100

G = 10

G = 1

Figure 7a. Positive PSR vs. Frequency, RTI (G = 1–1000)

FREQUENCY – Hz

0.1

1M

1

10

100

1k

10k

100k

180

0

160

100

80

60

40

140

120

G = 1000

G = 100

G = 10

G = 1

Figure 7b. Negative PSR vs. Frequency, RTI (G = 1–1000)