Datasheet
1.6 1.8 2.0
2.2 2.4
2.6 2.8 3.0
InputCommon-Mode(V)
115
110
105
100
95
SNR,|THD|(dBc)
f =10kHz
IN
|THD|,AIN= 6dBFS-
SNR,AIN= 0.5dBFS-
SNR,AIN= 6dBFS-
|THD|,AIN= 0.5dBFS-
140
120
100
80
60
40
20
SNR, |THD| (dBc)
-80 -70 -60 -50 -40 -30 -20 -10 0
Input Signal Amplitude (dBFS)
f = 10kHz
IN
|THD|
SNR
120
115
110
105
100
95
SNR, |THD| (dBc)
f = 10kHz
IN
-40 -15 10 35 60 85
Temperature ( C)
°
|THD|, AIN = 6dBFS-
SNR, AIN = 0.5dBFS-
SNR, AIN = 6dBFS-
|THS|, AIN = 0.5dBFS-
-98
24-BitOutputCode
-126
-84
-70
-14
-28
-42
-56
0
112
98
14
28
42
84
70
56
126
-112
NumberofOccurrences
2500
2000
1500
1000
500
0
WideBandwidth,f =625kSPS
=27OutputCodes
65kPoints
Input-Shorted
DATA
s
ADS1672
SBAS402D –JUNE 2008–REVISED JULY 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
All specifications are at T
A
= –40°C to +85°C, AVDD = 5V, DVDD = 3V, f
CLK
= 20MHz, V
REF
= +3V, and R
BIAS
= 7.5kΩ, unless
otherwise noted.
SNR and |THD| SNR and |THD|
vs INPUT AMPLITUDE vs INPUT COMMON-MODE
Figure 10. Figure 11.
SNR and |THD| NOISE HISTOGRAM
vs TEMPERATURE (OSR = 32)
Figure 12. Figure 13.
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Product Folder Link(s): ADS1672