AD604ARSZ-R7 datasheet(8/32 Pages) AD

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AD604

Rev. D | Page 8 of 32

VGN (V)

2.0

1.5

1.0

0.5

–0.5

–1.0

–1.5

–2.0

0.2

0.7

1.2

1.7

2.2

2.7

20dB/V

VREF = 2.5V

30dB/V

VREF = 1.67V

Figure 9. Gain Error vs. VGN for Two Gain Scaling Values

DELTA GAIN (dB)

–1.0

–0.8

–0.6

–0.4

–0.2

0.1

0.3

0.5

0.7

0.9

N= 50

VGN1 = 1.0V

VGN2 = 1.0V

ΔG(dB) =

G(CH1) – G(CH2)

Figure 10. Gain Match; VGN1 = VGN2 = 1.0 V

DELTA GAIN (dB)

–1.0

–0.8

–0.6

–0.4

–0.2

0.1

0.3

0.5

0.7

0.9

N= 50

VGN1 = 2.50V

VGN2 = 2.50V

ΔG(dB) =

G(CH1) – G(CH2)

Figure 11. Gain Match; VGN1 = VGN2 = 2.50 V

FREQUENCY (Hz)

–50

–10

–20

–30

–40

100k

10M

100M

VGN = 2.9V

VGN = 2.5V

VGN = 1.5V

VGN = 0.5V

VGN = 0.1V

VGN = 0V

Figure 12. AC Response for Various Values of VGN

VGN (V)

2.55

2.54

2.53

2.52

2.51

2.50

2.49

2.48

2.45

2.46

2.47

VOCM = 2.5V

–40°C

+25°C

+85°C

0.2

0.7

1.2

1.7

2.2

2.7

Figure 13. Output Offset vs. VGN for Three Temperatures

VGN (V)

210

190

170

150

130

110

0.10.50.91.31.72.12.52.9

–40°C

+25°C

+85°C

Figure 14. Output Referred Noise vs. VGN for Three Temperatures

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