SPRS975H August 2016 – February 2020 DRA780 , DRA781 , DRA782 , DRA783 , DRA785 , DRA786 , DRA787 , DRA788
PRODUCTION DATA.
Refer to the PDF data sheet for device specific package drawings
| PARAMETER | CONDITIONS | MIN | NOM | MAX | UNIT |
|---|---|---|---|---|---|
| Analog Input | |||||
| Full-scale Input Range | adc_vrefp | V | |||
| Vref | Should be less than or equal to vdds_18v. | 1.62 | vdds_18v | V | |
| Differential Non-Linearity (DNL) | -1 | 1 | LSB | ||
| Integral Non-Linearity (INL) | adc_vrefp = vdds_18v | ±2 | LSB | ||
| Gain Error | adc_vrefp = vdds_18v | ±4 | LSB | ||
| Offset Error | adc_vrefp = vdds_18v | ±3 | LSB | ||
| Input Sampling Capacitance | 3.2 | 5 | pF | ||
| Input Frequency adc_in[7:0] | 0 | 30 | kHz | ||
| Signal-to-Noise Ratio (SNR) | Input Signal: 30 kHz sine wave at -0.5 dB Full Scale | 50 | dB | ||
| Total Harmonic Distortion (THD) | 1.8 Vpp, 30 kHz sine wave | 60 | dB | ||
| Spurious Free Dynamic Range | 1.8 Vpp, 30 kHz sine wave | 60 | dB | ||
| Signal-to-Noise Plus Distortion | 1.8 Vpp, 30 kHz sine wave | 50 | dB | ||
| adc_vrefp Input Impedance | 20 | Ω | |||
| Sampling Dynamics | |||||
| Time from Start to Start | 17 | Clock Cycles | |||
| Conversion Time + Error Correction | 10 + 1 | Clock Cycles | |||
| Acquisition time | 4 | Clock Cycles | |||
| Throughput Rate | CLK = 20 MHz (Pin : clk) | 1 | MSPS | ||
| Channel to Channel Isolation | 90 | dB | |||
| ADC Clock Frequency | See
Table 5-1 |
MHz | |||