HY3118/HY3116 Datasheet
HY3118/HY3116 Datasheet
HY3118/HY3116 Datasheet
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<strong>HY3118</strong>/<strong>HY3116</strong><br />
24-Bit Analog-to-Digital Convert<br />
High Resolution Σ∆ADC<br />
Register<br />
PGA[2:0]<br />
PGA 000 001 010 011 100 101 110 111<br />
Gain off 8 - 16 - - - 32<br />
Table 18 Amplification Rate of Input Signal by PGA<br />
Register<br />
ADGN[1:0]<br />
Σ∆AD 00 01 10 11<br />
Gain 1 2 - 4<br />
Table 19 Amplification Rate of Input Signal by Σ∆AD<br />
Pin end<br />
Signal end<br />
AIN0<br />
SI+<br />
SI-<br />
AIN1<br />
AIN2<br />
VSSA - 0.1V ≦ AIN0 ~ AIN3 ≦ VDDA + 0.1V<br />
AIN3<br />
VDDA 2.3V ≦ VDDA ≦ 3.6V<br />
REFO 1.0V ≦ REFO ≦ 1.5V<br />
Table 20 Attributes of Reference Voltage Input Limit<br />
Gain = PGA ADGN FRb<br />
.<br />
Sensor output<br />
impedance(KΩ)<br />
1 = 1 1 1 200<br />
2 = 1 2 1 100<br />
4 = 1 4 1 32<br />
32 = 8 4 1 4<br />
64 = 16 4 1 2<br />
128 = 32 4 1 1<br />
Table 21 Input Impedance generated by PGA and Σ∆AD Gain<br />
© 2011-2014 HYCON Technology Corp<br />
www.hycontek.com<br />
DS-<strong>HY3118</strong>- V08_EN<br />
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