AD4003 datasheet(13/34 Pages) AD

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AD4003

Data Sheet

Rev. 0 | Page 12 of 33

102

100

101

16.6

15.4

15.6

15.8

16.0

16.2

16.4

2.4

4.8

4.5

3.9

4.2

3.6

3.3

3.0

2.7

5.1

REFERENCE VOLTAGE (V)

ENOB

SINAD

SNR

Figure 17. SNR, SINAD, and ENOB vs. Reference Voltage

TIME (Seconds)

Figure 18. 1/f Noise for 0.1 Hz to 10 Hz Bandwidth, 50 kSPS, 2500 Samples

Averaged per Reading

135

130

120

110

125

115

105

100

128 256 512 1024 2048

DECIMATION RATE

DYNAMIC RANGE

fIN = 1kHz

fIN = 10kHz

Figure 19. SNR vs. Decimation Rate for Various Input Frequencies

–114

–124

–120

–118

–116

–122

–128

–126

–130

133

126

127

128

130

129

131

132

2.4

4.8

4.5

3.9

4.2

3.6

3.3

3.0

2.7

5.1

REFERENCE VOLTAGE (V)

SFDR

THD

Figure 20. THD and SFDR vs. Reference Voltage

1.1

0.9

0.6

0.7

1.0

0.8

0.5

0.4

2.4

4.8

4.5

3.9

4.2

3.6

3.3

3.0

2.7

5.1

REFERENCE VOLTAGE (V)

Figure 21. Reference Current vs. Reference Voltage

101

100

tQUIET2 (ns)

VIO = 1.89V

VIO = 3.6V

VIO = 5.5V

Figure 22. SINAD vs. tQUIET2

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