ISL26712_14 Datasheet, PDF (11/21 Pages) Intersil Corporation – 12-Bit, 10-Bit and 8-Bit, 1MSPS SAR ADCs

ISL26712, ISL26710, ISL26708
Typical Performance Characteristics (Continued)
70k
60k
65,516
CODES
50k
40k
30k
20k
10k
0
2044
10
CODES
10
CODES
2045
2046 2047 2048
CODE
2049
2050
FIGURE 17. HISTOGRAM OF 10,000 CONVERSIONS OF A DC INPUT
FOR THE ISL26712 WITH VDD = 5V
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
256
512
768
CODE
1024
FIGURE 18. TYPICAL DNL FOR THE ISL26710 FOR VDD = 5V
0
8192-POINT FFT
-20
f_SAMPLE = 1MSPS
f_IN = 95.2kHz
SINAD = 61.6dB
-40
THD = -75dB
SFDR = 81dB
-60
-80
-100
-120
-140
0
100
200
300
400
500
FREQUENCY (kHz)
FIGURE 19. ISL26710 DYNAMIC PERFORMANCE WITH VDD = 5V
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
256
512
768
CODE
1024
FIGURE 20. TYPICAL INL FOR THE ISL26710 FOR VDD = 5V
0.25
0.20
0.15
0.10
0.05
0.00
-0.05
-0.10
-0.15
-0.20
-0.25
0
32 64 96 128 160 192 224 256
CODE
FIGURE 21. TYPICAL DNL FOR THE ISL26708 FOR VDD = 5V
11
0.25
0.20
0.15
0.10
0.05
0.00
-0.05
-0.10
-0.15
-0.20
-0.25
0
32 64 96 128 160 192 224 256
CODE
FIGURE 22. TYPICAL INL FOR THE ISL26708 FOR VDD = 5V
FN7999.3
September 5, 2012