AD7873 datasheet(11/29 Pages) AD

11 / 29 page

AD7873

Data Sheet

Rev. F | Page 10 of 28

Figure 11. Reference Current vs. Sample Rate

Figure 12. Switch On Resistance vs. +VCC

(X+, Y+: +VCC to Pin; X−, Y−: Pin to GND)

Figure 13. Linearity Error vs. Sampling Rate for Various RIN

Figure 14. Reference Current vs. Temperature

Figure 15. Switch On Resistance vs. Temperature

(X+, Y+: +VCC to Pin; X−, Y−: Pin to GND)

Figure 16. Internal VREF vs. Temperature

0.5

1.5

2.5

3.5

4.5

5.5

6.5

7.5

100

115

130

SAMPLE RATE (kHz)

Y+

X+

X–

Y–

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

+VCC (V)

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

115

135

155

175

195

SAMPLING RATE (kSPS)

INL: R = 2kΩ

INL: R = 500Ω

DNL: R = 2kΩ

DNL: R = 500Ω

020

–40

–20

TEMPERATURE (°C)

Y+

X+

X–

Y–

–40

–20

100

TEMPERATURE (°C)

2.4988

2.4990

2.4992

2.4994

2.4996

2.4998

2.5000

2.5002

2.5004

2.5006

TEMPERATURE (°C)

–40 –30 –20 –10

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