HY3106/HY3104/HY3102
HY3106/HY3104/HY3102
HY3106/HY3104/HY3102
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<strong>HY3106</strong>/<strong>HY3104</strong>/<strong>HY3102</strong><br />
24-Bit Analog-to-Digital Convert<br />
High Resolution Σ∆ADC<br />
RMS Noise Peak-to-Peak Noise NoiseRMS Noise<br />
ADC Noise Peak-to-Peak Noise 1024 (±3.3<br />
) Noise <br />
The Effective Number of Bits (ENOB(RMS)) is defined as:<br />
<br />
ln<br />
ENOB(RMS) <br />
FSR<br />
RMS Noise<br />
<br />
2<br />
VREF<br />
RMS Noise <br />
Average <br />
<br />
1024<br />
<br />
k1<br />
<br />
<br />
<br />
ln(2)<br />
Where FSR (Full - Scale Range)<br />
1024<br />
<br />
k1<br />
<br />
1024<br />
<br />
ADO k - Average<br />
<br />
ADO k<br />
<br />
2<br />
<br />
<br />
<br />
2<br />
24<br />
2<br />
VREF/Gain.<br />
Occurrence<br />
500<br />
450<br />
400<br />
350<br />
300<br />
250<br />
200<br />
150<br />
100<br />
50<br />
0<br />
Gain=1<br />
Output rate ~ 10sps<br />
RMS Noise Diagram<br />
-5 -4 -3 -2 -1 0 1 2 3 4 5<br />
Output Code (LSB)<br />
LSB base on 22-bit output<br />
.<br />
Output Code (LSB)<br />
RMS Noise Diagram<br />
5<br />
Gain=1<br />
4<br />
Output rate ~ 10sps<br />
3<br />
2<br />
1<br />
0<br />
-1<br />
-2<br />
-3<br />
-4<br />
-5<br />
1 201 401 601 801 1001<br />
Time (reading number)<br />
LSB base on 22-bit output<br />
Occurrence<br />
350<br />
300<br />
250<br />
200<br />
150<br />
100<br />
50<br />
0<br />
Gain=128<br />
Output rate ~ 10sps<br />
RMS Noise Diagram<br />
-5 -4 -3 -2 -1 0 1 2 3 4 5<br />
Output Code (LSB)<br />
LSB base on 19-bit output<br />
Output Code (LSB)<br />
RMS Noise Diagram<br />
5<br />
Gain=128<br />
4<br />
Output rate ~ 10sps<br />
3<br />
2<br />
1<br />
0<br />
-1<br />
-2<br />
-3<br />
-4<br />
-5<br />
1 201 401 601 801 1001<br />
Time (reading number)<br />
LSB base on 19-bit output<br />
© 2009-2012 HYCON Technology Corp<br />
www.hycontek.com<br />
DS-<strong>HY3106</strong>-V05_TC<br />
page17
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