
ISL26320, ISL26321, ISL26322, ISL26323, ISL26324, ISL26325, ISL26329
11
FN8273.1
September 5, 2013
FIGURE 15. SNR AND SINAD vs INPUT FREQUENCY
FIGURE 16. THD vs INPUT FREQUENCY
FIGURE 17. SINGLE-TONE FFT
FIGURE 18. SHORTED INPUT HISTOGRAM
Typical Performance Characteristics T
A = +25°C, VDD = 5V, VREF = 5V, fSAMPLE = 250kHz, fSCLK = 20MHz,
unless otherwise specified. (Continued)
55
60
65
70
75
100
1k
10k
100k
1M
INPUT FREQUENCY (Hz)
SNR/SINAD
(dB)
SNR
SINAD
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
100
1k
10k
100k
1M
INPUT FREQUENCY (Hz)
THD
(
d
B)
-160
-140
-120
-100
-80
-60
-40
-20
0
25000
50000
75000
100000
125000
FREQUENCY (Hz)
A
M
P
L
ITUDE
(dB)
SNR = 73.6dB
THD = -87.6dB
SINAD = 73.4dB
SFDR = 89.1dB
ENOB = 11.4
0
10,000
20,000
30,000
40,000
50,000
60,000
70,000
-3
-2
-1
0
1
2
3
CODE
65,536
CODES
0
CODES
0
CODES
HI
TS