AD7877 datasheet(10/44 Pages) AD

10 / 44 page

AD7877

Rev. A | Page 10 of 44

TYPICAL PERFORMANCE CHARACTERISTICS

TA = 25°C, VCC = 2.7 V, VREF = 2.5 V, fSAMPLE = 125 kHz, fDCLK = 16 × fSAMPLE = 2 MHz, unless otherwise noted.

800

700

600

500

–50

–30

–10

TEMPERATURE (

°C)

ADC AND REF

ADC, REF, AND DAC

Figure 5. Supply Current vs. Temperature

1000

400

500

600

700

800

900

2.0

2.3

2.6

2.9

3.2

3.5

3.8

4.1

4.4

4.7

5.0

VCC (V)

ADC AND REF

ADC, REF, AND DAC

Figure 6. Supply Current vs. VCC

0.6

–0.6

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.5

–50

–30

–10

10305070

TEMPERATURE (

°C)

Figure 7. Change in ADC Gain vs. Temperature

200

100

120

140

160

180

–50

–30

–10

10305070

TEMPERATURE (

°C)

Figure 8. Full Power-Down IDD vs. Temperature

0.6

–0.6

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.5

–50

–30

–10

10305070

TEMPERATURE (

°C)

Figure 9. Change in ADC Offset vs. Temperature

1.0

–1.0

–0.8

–0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

500

1000

1500

2000

2500

3000

3500

4000

CODE

Figure 10. ACD INL Plot

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