AD4003_17 datasheet(11/38 Pages) AD

No de pièce	AD4003

Description	Precision, Differential SAR ADCs

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Fabricant	AD [Analog Devices]

Site Internet	http://www.analog.com

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Data Sheet

AD4003/AD4007/AD4011

Rev. B | Page 11 of 38

TYPICAL PERFORMANCE CHARACTERISTICS

VDD = 1.8 V; VIO = 3.3 V; VREF = 5 V; T = 25°C, high-Z mode disabled, span compression disabled, turbo mode enabled, and sampling

frequency fS = 2 MSPS for the AD4003, fS = 1 MSPS for the AD4007, and fS = 500 kSPS for the AD4011, unless otherwise noted.

1.0

0.8

0.4

0

0.6

0.2

–0.2

–0.6

–0.4

–0.8

–1.0

0

32768 65536

131072

196608

98304

163840

229376 262144

CODE

+125°C

+25°C

–40°C

Figure 5. INL vs. Code for Various Temperatures, VREF = 5 V

1.0

0.8

0.4

0

0.6

0.2

–0.2

–0.6

–0.4

–0.8

–1.0

+125°C

+25°C

–40°C

0

32768 65536

131072

196608

98304

163840

229376 262144

CODE

Figure 6. INL vs. Code for Various Temperatures, VREF = 2.5 V

0.8

0.6

0

0.4

0.2

–0.2

–0.6

–0.4

–0.8

HIGH-Z ENABLED

SPAN COMPRESSION ENABLED

0

32768 65536

131072

196608

98304

163840

229376 262144

CODE

Figure 7. INL vs. Code, High-Z and Span Compression Modes Enabled, VREF = 5 V

0.4

0

0.3

0.2

0.1

–0.1

–0.3

–0.2

–0.4

+125°C

+25°C

–40°C

0

32768 65536

131072

196608

98304

163840

229376 262144

CODE

Figure 8. DNL vs. Code for Various Temperatures, VREF = 5 V

0.4

0

0.3

0.2

0.1

–0.1

–0.3

–0.2

–0.4

+125°C

+25°C

–40°C

0

32768 65536

131072

196608

98304

163840

229376 262144

CODE

Figure 9. DNL vs. Code for Various Temperatures, VREF = 2.5 V

1.8

1.5

0.9

1.1

1.7

1.3

1.4

1.0

1.6

1.2

0.8

2.5

4.5

4.0

3.5

3.0

5.0

REFERENCE VOLTAGE (V)

+125°C

+25°C

–40°C

Figure 10. Transition Noise vs. Reference Voltage for Various Temperatures

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