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TYPICAL CHARACTERISTICS: V
DD
= +2.7V
3
2
1
0
-1
-2
-3
ILE(LSBS)
0000
H
4000
H
8000
H
C000
H
FFFF
H
OutputCode
3
2
1
0
-1
-2
-3
DLE(LSBS)
0000
H
4000
H
8000
H
C000
H
FFFF
H
OutputCode
0
-20
-40
-60
-80
-100
-120
-140
-160
Amplitude(dB)
0 10 20 30 40 50
Frequency(kHz)
0
-20
-40
-60
-80
-100
-120
-140
-160
Amplitude(dB)
0 10 20 30 40 50
Frequency(kHz)
SNR
SINAD
95
85
75
65
55
45
SNRandSINAD(dB)
1 10 100 245
Frequency(kHz)
100
90
80
70
60
50
40
-100
-90
-80
-70
-60
-50
-40
SFDR(dB)
THD(dB)
1 10 100 245
Frequency(kHz)
SFDR
THD
(1)
NOTE:(1)Firstnine
harmonicsofthe
inputfrequency.
ADS8325
SBAS226C – MARCH 2002 – REVISED AUGUST 2007
At T
A
= +25 ° C, V
DD
= 2.7V, V
REF
= 2.5V, f
SAMPLE
= 100kHz, f
CLK
= 24 × f
SAMPLE
, unless otherwise noted.
INTEGRAL LINEARITY ERROR DIFFERENTIAL LINEARITY ERROR
vs CODE vs CODE
Figure 15. Figure 16.
FREQUENCY SPECTRUM FREQUENCY SPECTRUM
(8192 Point FFT, f
IN
= 1.0132kHz, – 0.2 dB) (8192 Point FFT, f
IN
= 10.0022kHz, – 0.2 dB)
Figure 17. Figure 18.
SIGNAL-TO-NOISE RATIO AND SPURIOUS-FREE DYNAMIC RANGE AND
SIGNAL-TO-NOISE + DISTORTION TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY vs INPUT FREQUENCY
Figure 19. Figure 20.
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