
ISL267817
9
FN7877.2
April 19, 2012
FIGURE 12. FREQUENCY SPECTRUM (8192 POINT FFT;
fIN = 9.9kHz, –0.5dB
FIGURE 13. SIGNAL-TO-NOISE RATIO AND SIGNAL-TO-
(NOISE+DISTORTION) vs INPUT FREQUENCY
FIGURE 14. SPURIOUS FREE DYNAMIC RANGE AND TOTAL
HARMONIC DISTORTION vs INPUT FREQUENCY
FIGURE 15. SIGNAL-TO-(NOISE+DISTORTION) vs INPUT LEVEL
FIGURE 16. CHANGE IN INTEGRAL LINEARITY and DIFFERENTIAL
LINEARITY vs SAMPLE RATE
FIGURE 17. INTEGRAL LINEARITY ERROR vs CODE
Typical Performance Characteristics T
A = +25°C, VCC = 5V, VREF = 2.5V, fSAMPLE = 200kHz,
fCLK =16*fSAMPLE, unless otherwise specified. (Continued)
-120
-100
-80
-60
-40
-20
0
025
50
75
100
FREQUENCY (kHz)
AMPLITUD
E
(
d
BFS)
67
68
69
70
71
72
73
1
10
100
INPUT FREQUENCY (kHz)
SNR
&
SINAD
(dB)
SINAD
SNR
-95
-90
-85
-80
-75
-70
-65
65
70
75
80
85
90
95
110
100
INPUT FREQUENCY (kHz)
S
F
DR
(dB)
T
HD
(dB)
THD
SFDR
0
10
20
30
40
50
60
70
80
-60
-50
-40
-30
-20
-10
0
INPUT LEVEL (dB)
S
INAD
(dB
)
-0.5
0.0
0.5
1.0
1.5
0
80
160
240
320
400
SAMPLE RATE (kHz)
D
E
LT
A
FRO
M
f
SAMPLE
=
2
00kHz
(LSB)
CHANGE IN INTEGRAL
LINEARITY (LSB)
CHANGE IN DIFFERENTIAL
LINEARITY (LSB)
-1.00
-0.75
-0.50
-0.25
0.00
0.25
0.50
0.75
1.00
0
512
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