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ISL26312 View Datasheet(PDF) - Intersil

Part NameDescriptionManufacturer
ISL26312 12-bit, 125kSPS Low-power ADCs with Single-ended and Differential Inputs and Multiple Input Channels Intersil
Intersil Intersil
ISL26312 Datasheet PDF : 23 Pages
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ISL26310, ISL26311, ISL26312, ISL26313, ISL26314, ISL26315, ISL26319
Typical Performance Characteristics TA = +25°C, VDD = 5V, VREF = 5V, fSAMPLE = 125kHz, fSCLK = 20MHz,
unless otherwise specified. (Continued)
75
0
SNR
-10
-20
70
-30
SINAD
-40
65
-50
-60
-70
60
-80
-90
55
100
1k
10k
100k
INPUT FREQUENCY (Hz)
-100
1M
100
1k
10k
100k
1M
INPUT FREQUENCY (Hz)
FIGURE 15. SNR AND SINAD vs INPUT FREQUENCY
FIGURE 16. THD vs INPUT FREQUENCY
0
70,000
SNR: 72.93dB
-20
SINAD: 72.71dB
THD: -85.84dB
SFDR: 96.16dBc
60,000
65,536
-40
ENOB: 11.79
50,000
CODES
-60
40,000
-80
30,000
-100
20,000
-120
-140
10,000
0
0
CODES
CODES
-160 0
10
20
30
40
50
60
70
0
-3
-2
-1
0
1
2
3
FREQUENCY (kHz)
CODE
FIGURE 17. SINGLE-TONE FFT
FIGURE 18. SHORTED INPUT HISTOGRAM
11
FN7549.1
July 3, 2012
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