AD4003 datasheet(12/38 Pages) AD

12 / 38 page

AD4003/AD4007/AD4011

Data Sheet

Rev. B | Page 12 of 38

4.5M

2.0M

3.5M

4.0M

3.0M

2.5M

1.5M

0.5M

1.0M

CODE

VREF = 2.5V

VREF = 5V

Figure 11. Histogram of a DC Input at Code Center, VREF = 2.5 V and VREF = 5 V

–60

–160

–120

–20

–100

–80

–140

–40

–180

100

100k

10k

FREQUENCY (Hz)

VREF = 5V

SNR = 100.33dB

THD = –123.99dB

SINAD = 100.31dB

Figure 12. 1 kHz, −0.5 dBFS Input Tone Fast Fourier Transform (FFT), Wide

View, VREF = 5 V

–60

–160

–120

–20

–100

–80

–140

–40

–180

100k

10k

FREQUENCY (Hz)

VREF = 5V

SNR = 98.37dB

THD = –98.52dB

SINAD = 95.58dB

Figure 13. 100 kHz, −0.5 dBFS Input Tone FFT, Wide View

4.5M

2.0M

3.5M

4.0M

3.0M

2.5M

1.5M

0.5M

1.0M

CODE

VREF = 2.5V

VREF = 5V

Figure 14. Histogram of a DC Input at Code Transition, VREF = 2.5 V and

VREF = 5 V

–60

–160

–120

–20

–100

–80

–140

–40

–180

100

100k

10k

FREQUENCY (Hz)

VREF = 2.5V

SNR = 95.01dB

THD = –118.60dB

SINAD = 94.99dB

Figure 15. 1 kHz, −0.5 dBFS Input Tone FFT, Wide View, VREF = 2.5 V

–60

–160

–120

–20

–100

–80

–140

–40

–180

100k

10k

FREQUENCY (Hz)

VREF = 5V

SNR = 91.22dB

THD = –91.97dB

SINAD = 89.15dB

Figure 16. 400 kHz, −0.5 dBFS Input Tone FFT, Wide View

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