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AD7760 View Datasheet(PDF) - Analog Devices

Part Name
Description
MFG CO.
AD7760
ADI
Analog Devices ADI
'AD7760' PDF : 22 Pages View PDF
0
TONE A: 999.75kHz
–20 TONE B: 1.00025MHz
THIRD-ORDER
IMD: –89.15dB
–40
–60
–80
–100
–120
–140
–160
995
997
999
1001
1003
1005
FREQUENCY (kHz)
Figure 23. Normal Mode IMD, 1 MHz Center Frequency, 8× Decimation
AD7760
0
TONE A: 999.75kHz
–20 TONE B: 1.00025MHz
THIRD-ORDER
IMD: –87.67dB
–40
–60
–80
–100
–120
–140
–160
995
997
999
1001
1003
1005
FREQUENCY (kHz)
Figure 26. Normal Mode IMD, 1 MHz Center Frequency, 8× Decimation
100.5
100.0
NORMAL MODE
99.5
99.0
98.5
98.0
LOW POWER MODE
97.5
97.0
96.5
0
10
20
30
40
MCLK FREQUENCY (MHz)
Figure 24. SNR vs. MCLK Frequency, 8× Decimation, −6 dB, 1 kHz Input Tone
–105
–107
–109
NORMAL MODE
–111
–113
–115
LOW POWER MODE
–117
0
10
20
30
40
MCLK FREQUENCY (MHz)
Figure 27. THD vs. MCLK Frequency, 8× Decimation, −6 dB, 1 kHz Input Tone
120
–60dB
–6dB
115
–0.5dB
110
105
100
95
0
64
128
192
256
DECIMATION RATE
Figure 25. Normal Mode SNR vs. Decimation Rate, 1 kHz Input Tone
116
–60dB
112
–6dB
–0.5dB
108
104
100
96
0
64
128
192
256
DECIMATION RATE
Figure 28. Low Power SNR vs. Decimation Rate, 1 kHz Input Tone
Rev. A | Page 15 of 36
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