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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 />

Page 38

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