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LPC4370 Datasheet(PDF) 124 Page - NXP Semiconductors |
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LPC4370 Datasheet(HTML) 124 Page - NXP Semiconductors |
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124 / 150 page  LPC4370 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 2 — 21 October 2013 124 of 150 NXP Semiconductors LPC4370 32-bit ARM Cortex-M4/M0 microcontroller 12. ADC/DAC electrical characteristics [1] fin = signal input frequency. The bias current is programmable. Higher bias current allows for a higher ADC conversion frequency at higher power consumption. Table 34. 12-bit ADC characteristics VDDA(3V3) over specified ranges; Tamb = 40 C to +85 C; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit VDC DC input common mode level 0.1 0.5 0.9 V Cin input capacitance single ended - 4.5 - pF Ri input resistance single ended; per selected positive or negative input pin -5 - k Vi(range) input voltage range differential, peak-to-peak 0.72 0.8 0.88 V fc(ADC) ADC conversion frequency 12-bit resolution - - 80 MSamples/s fc(ADC) = 10 Msamples/s; fin = 1 MHz; bias current bits CRS[3:0] = 0000[1] INL integral non-linearity - 1.1 - LSB DNL differential non-linearity - 0.7 - LSB ENOB effective number of bits - 10.4 - - SNR signal-to-noise ratio - 64.0 - dB THD total harmonic distortion - -73 - dB SFDR spurious free dynamic range -80 - dB HD2 second harmonic distortion --84 - dB HD3 third harmonic distortion - -75 - dB fc(ADC) = 60 Msamples/s; fin = 1 MHz; bias current bits CRS[3:0] = 0011[1] INL integral non-linearity - 1.2 - LSB DNL differential non-linearity - 0.7 - LSB ENOB effective number of bits - 10.1 - - SNR signal-to-noise ratio - 63 - dB THD total harmonic distortion - -72 - dB SFDR spurious free dynamic range -75 - dB HD2 second harmonic distortion --79 - dB HD3 third harmonic distortion - -75 - dB |
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