AD7780 datasheet(9/17 Pages) AD

9 / 17 page

AD7780

Rev. A | Page 8 of 16

TYPICAL PERFORMANCE CHARACTERISTICS

200

400

600

800

1000

SAMPLE

8,388,570

8,388,580

8,388,590

8,388,600

8,388,610

8,388,620

8,388,630

8,388,640

8,388,650

8,388,660

8,388,670

Figure 8. Noise (VREF = AVDD, Update Rate = 16.7 Hz, Gain = 128)

8,388,570

8,388,594

8,388,618

8,388,642

8,388,666

CODE

Figure 9. Noise Distribution Histogram

(VREF = AVDD, Update Rate = 16.7 Hz, Gain = 128)

200

400

600

800

1000

SAMPLE

8,388,390

8,388,400

8,388,410

8,388,420

8,388,430

8,388,440

8,388,450

8,388,460

Figure 10. Noise (VREF = AVDD, Update Rate = 10 Hz, Gain = 128 )

CODE

8,388,390

8,388,408

8,388,426

8,388,444

Figure 11. Noise Distribution Histogram

(VREF = AVDD, Update Rate = 10 Hz, Gain = 128)

200

400

600

800

1000

SAMPLE

8,388,585

8,388,590

8,388,595

8,388,600

8,388,605

8,388,610

8,388,615

8,388,620

8,388,625

8,388,630

Figure 12. Noise (VREF = AVDD, Update Rate = 16.7 Hz, Gain = 1)

CODE

200

150

100

8,388,585 8,388,593 8,388,601 8,388,609 8,388,617 8,388,625

Figure 13. Noise Distribution Histogram

(VREF = AVDD, Update Rate = 16.7 Hz, Gain = 1)

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