Datasheet

ADuC7019/20/21/22/24/25/26/27/28/29 Data Sheet
Rev. F | Page 36 of 104
BIN
FREQUENCY
9000
0
1000
2000
3000
4000
5000
6000
7000
8000
1161
1162 1163
04955-073
Figure 34. Code Histogram Plot, fs = 774 kSPS, V
IN
= 0.7 V
FREQUENCY (kHz)
(dB)
0
–160
–140
–120
–100
–80
–60
–40
–20
0
100 200
04955-078
f
S
= 774kSPS,
SNR = 69.3dB,
THD = –80.8dB,
PHSN = –83.4dB
Figure 35. Dynamic Performance, f
S
= 774 kSPS
FREQUENCY (kHz)
(dB)
20
0
–160
–140
–120
–100
–80
–60
–40
–20
0 150100
50 200
04955-079
f
S
= 1MSPS,
SNR = 70.4dB,
THD = –77.2dB,
PHSN = –78.9dB
Figure 36. Dynamic Performance, f
S
= 1 MSPS
EXTERNAL REFERENCE (V)
SNR (dB)
THD (dB)
75
40
45
50
55
60
65
70
–76
–88
–86
–84
–82
–80
–78
1.0 1.5 2.0 2.5 3.0
04955-070
SNR
THD
Figure 37. Typical Dynamic Performance vs. V
REF
04955-060
TEMPERATURE (°
C)
CODE
–50
0 50
100
1000
1500
1450
1400
1350
1300
1250
1200
1150
1100
1050
150
Figure 38. On-Chip Temperature Sensor Voltage Output vs. Temperature
TEMPERATURE (°C)
(mA)
39.8
39.7
38.9
39.0
39.1
39.2
39.3
39.4
39.5
39.6
–40
25 850 125
04955-080
Figure 39. Current Consumption vs. Temperature @ CD = 0