Datasheet

AD7767
Rev. C | Page 10 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
AV
DD
= DV
DD
= 2.5 V ± 5%, V
DRIVE
= 1.8 V to 3.6 V, V
REF
= 5 V, MCLK = 1 MHz, common-mode input = V
REF
/2. T
A
= 25°C, unless
otherwise noted. All FFTs were generated using 8192 samples using a four-term Blackman-Harris window.
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AMPLITUDE (dB)
FREQUENCY (Hz)
06859-101
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AMPLITUDE (dB)
FREQUENCY (Hz)
06859-104
Figure 10. AD7767 FFT, 1 kHz, −6 dB Input Tone
Figure 7. AD7767 FFT, 1 kHz, −0.5 dB Input Tone
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AMPLITUDE (dB)
FREQUENCY (Hz)
06859-105
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AMPLITUDE (dB)
FREQUENCY (Hz)
06859-102
Figure 11. AD7767-1 FFT, 1 kHz, −6 dB Input Tone
Figure 8. AD7767-1 FFT, 1 kHz, −0.5 dB Input Tone
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016k
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0112k8k4k
AMPLITUDE (dB)
FREQUENCY (Hz)
6k
06859-106
12k8k4k
AMPLITUDE (dB)
FREQUENCY (Hz)
06859-103
Figure 12. AD7767-2 FFT, 1 kHz, −6 dB Input Tone
Figure 9. AD7767-2 FFT, 1 kHz, −0.5 dB Input Tone