Datasheet

www.ti.com
TYPICAL CHARACTERISTICS: V
DD
= +5V
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
105
100
95
90
85
80
75
70
65
SNRandSINAD(dB)
1 10 100 245
Frequency(kHz)
110
105
100
95
90
85
80
75
70
-110
-105
-100
-95
-90
-85
-80
-75
-70
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
= +5V, V
REF
= +5V, f
SAMPLE
= 100kHz, f
CLK
= 24 × f
SAMPLE
, unless otherwise noted.
INTEGRAL LINEARITY ERROR DIFFERENTIAL LINEARITY ERROR
vs CODE vs CODE
Figure 2. Figure 3.
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 4. Figure 5.
SIGNAL-TO-NOISE RATIO AND SPURIOUS-FREE DYNAMIC RANGE AND
SIGNAL-TO-NOISE + DISTORTION TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY vs INPUT FREQUENCY
Figure 6. Figure 7.
10 Submit Documentation Feedback Copyright © 2002 – 2007, Texas Instruments Incorporated
Product Folder Link(s): ADS8325