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HT82V46 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc |
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HT82V46 Datasheet(HTML) 4 Page - Holtek Semiconductor Inc |
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4 / 27 page  Rev. 1.10 4 November 24, 2011 HT82V46 A.C. Characteristics AVDD=DVDD=3.3V, AVSS=DVSS=0V, Ta=25°C, 3-channel mode, ADCK=45MHz unless otherwise stated. Symbol Parameter Test Conditions Min. Typ. Max. Unit Overall system specification (including 16-bit ADC, PGA, Offset and CDS functions) Maximum Conversion Rate ― ― 45 ― MSPS Full-scale Input Voltage Range (See Note 1) LOWREF= 0, GMAX=7.5 typ. ― 0.25 ― VP-P LOWREF= 0, GMIN=0.65 typ. 3.03 VP-P Full-scale Input Voltage Range (See Note 1) LOWREF= 0, GMAX=7.5 typ. ― 0.15 ― VP-P LOWREF= 0, GMIN=0.65 typ. 1.82 VP-P VIN Input Signal Limits (See Note 2) ― AVSS-0.3 ― AVDD+0.3 V Full-scale Transition Error Gain=0dB; PGA[8:0]=1A(hex) ― 30 ― mV Zero-scale Transition Error Gain=0dB; PGA[8:0]=1A(hex) ― 30 ― mV DNL Differential Non-linearity ― ― 2 ― LSB INL Integral Non-linearity ― ― 50 ― LSB Channel to Channel Gain Matching ― ― 1.5 ― % Total Output Noise Min Gain ― 30 ― LSB rms Max Gain 300 LSB rms References VRT Upper Reference Voltage LOWREF=0 1.95 2.05 2.25 V LOWREF=1 1.85 V VRB Lower Reference Voltage LOWREF=0 0.95 1.05 1.25 V LOWREF=1 1.25 V CML Input Return Bias Voltage ― ― 1.5 ― V VRTB Diff. Reference Voltage (VRT - VRB) LOWREF=0 0.90 1.0 1.10 V LOWREF=1 0.6 V RLC DAC (Reset-Level Clamp D/A Converter) Resolution ― ― 4 ― bits VCSTEP Step Size CDACRNG=0 ― 0.173 ― V/step CDACRNG=1 0.110 V/step VCBOT Output Voltage at Code 0h CDACRNG=0 ― 0.4 ― V CDACRNG=1 0.4 V VCTOP Output Voltage at Code Fh CDACRNG=0 ― 3.00 ― V CDACRNG=1 2.05 V DNL Differential Non-linearity ― -0.5 ― +0.5 LSB INL Integral Non-linearity ― ― +/-1 ― LSB Offset DAC Resolution ― ― 8 ― bits Step Size ― ― 2.04 ― mV/step Output Voltage Code 00(hex) ― -260 ― mV Code FF(hex) +260 mV |
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