Datasheet

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0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
TotalHarmonicDistortion(dB)
1 10 100
Frequency(kHz)
80
70
60
50
40
30
20
10
0
Signal-to-(NoiseRatio+Distortion)(dB)
-40 -35 -30 -25 -20 -15 -10 -5 0
InputLevel(dB)
14
12
10
8
6
4
2
0
ReferenceCurrent( A)m
0 15 30 45 60 75
SampleRate(kHz)
14
12
10
8
6
4
2
ReferenceCurrent(A)
-50 -25 0 25 50 75 100
Temperature( C)°
ADS7822
SBAS062C JANUARY 1996 REVISED AUGUST 2007
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25 ° C, V
CC
= +2.7V, V
REF
= +2.5V, f
SAMPLE
= 75kHz, f
CLK
= 16 × f
SAMPLE
, unless otherwise specified.
SPURIOUS FREE DYNAMIC RANGE AND TOTAL HARMONIC DISTORTION
SIGNAL-TO-NOISE RATIO vs FREQUENCY vs FREQUENCY
Figure 13. Figure 14.
SIGNAL-TO-(NOISE+DISTORTION) SIGNAL-TO-(NOISE+DISTORTION)
vs FREQUENCY vs INPUT LEVEL
Figure 15. Figure 16.
REFERENCE CURRENT REFERENCE CURRENT vs TEMPERATURE
vs SAMPLE RATE (Code = 710h)
Figure 17. Figure 18.
8 Submit Documentation Feedback Copyright © 1996 2007, Texas Instruments Incorporated
Product Folder Link(s): ADS7822