ADuC7019/20/21/22/24/25/26/27/28/29
Data Sheet
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
75
70
65
60
55
50
45
40
–76
–78
–80
–82
–84
–86
SNR
THD
–88
3.0
1161
1162
BIN
1163
1.0
1.5
2.0
2.5
EXTERNAL REFERENCE (V)
Figure 34. Code Histogram Plot, fs = 774 kSPS, VIN = 0.7 V
Figure 37. Typical Dynamic Performance vs. VREF
0
1500
1450
1400
1350
1300
1250
1200
1150
1100
1050
1000
fS = 774kSPS,
SNR = 69.3dB,
THD = –80.8dB,
PHSN = –83.4dB
–20
–40
–60
–80
–100
–120
–140
–160
0
100
200
–50
0
50
100
150
FREQUENCY (kHz)
TEMPERATURE (°C)
Figure 35. Dynamic Performance, fS = 774 kSPS
Figure 38. On-Chip Temperature Sensor Voltage Output vs. Temperature
20
0
39.8
39.7
39.6
39.5
39.4
39.3
39.2
39.1
39.0
38.9
fS = 1MSPS,
SNR = 70.4dB,
THD = –77.2dB,
PHSN = –78.9dB
–20
–40
–60
–80
–100
–120
–140
–160
0
50
100
150
200
–40
0
25
85
125
FREQUENCY (kHz)
TEMPERATURE (°C)
Figure 36. Dynamic Performance, fS = 1 MSPS
Figure 39. Current Consumption vs. Temperature @ CD = 0
Rev. F | Page 36 of 104
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