ZHCS898O October 2003 – March 2019 TMS320F2801 , TMS320F28015 , TMS320F28016 , TMS320F2802 , TMS320F2806 , TMS320F2808 , TMS320F2809
PRODUCTION DATA.
请参考 PDF 数据表获取器件具体的封装图。
PARAMETER | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|
DC SPECIFICATIONS | |||||
Resolution | 12 | Bits | |||
ADC clock | 60-MHz device | 0.001 | 7.5 | MHz | |
100-MHz device | 0.001 | 12.5 | |||
100-MHz device (F2809 only) | 0.001 | 25 | |||
ACCURACY | |||||
INL (Integral nonlinearity) | 1–12.5 MHz ADC clock (6.25 MSPS) | ±1.5 | LSB | ||
12.5–25 MHz ADC clock (12.5 MSPS) | ±2 | ||||
DNL (Differential nonlinearity)(3) | ±1 | LSB | |||
Offset error(4) | –60 | +60 | LSB | ||
Offset error with hardware trimming | ±4 | LSB | |||
Overall gain error with internal reference(5) | –60 | +60 | LSB | ||
Overall gain error with external reference | –60 | +60 | LSB | ||
Channel-to-channel offset variation | ±4 | LSB | |||
Channel-to-channel gain variation | ±4 | LSB | |||
ANALOG INPUT | |||||
Analog input voltage (ADCINx to ADCLO)(6) | 0 | 3 | V | ||
ADCLO | –5 | 0 | 5 | mV | |
Input capacitance | 10 | pF | |||
Input leakage current | ±5 | μA | |||
INTERNAL VOLTAGE REFERENCE(5) | |||||
VADCREFP - ADCREFP output voltage at the pin based on internal reference | 1.275 | V | |||
VADCREFM - ADCREFM output voltage at the pin based on internal reference | 0.525 | V | |||
Voltage difference, ADCREFP - ADCREFM | 0.75 | V | |||
Temperature coefficient | 50 | PPM/°C | |||
EXTERNAL VOLTAGE REFERENCE(5)(7) | |||||
VADCREFIN - External reference voltage input on ADCREFIN pin 0.2% or better accurate reference recommended | ADCREFSEL[15:14] = 11b | 1.024 | V | ||
ADCREFSEL[15:14] = 10b | 1.500 | V | |||
ADCREFSEL[15:14] = 01b | 2.048 | V | |||
AC SPECIFICATIONS | |||||
SINAD (100 kHz) Signal-to-noise ratio + distortion | 67.5 | dB | |||
SNR (100 kHz) Signal-to-noise ratio | 68 | dB | |||
THD (100 kHz) Total harmonic distortion | –79 | dB | |||
ENOB (100 kHz) Effective number of bits | 10.9 | Bits | |||
SFDR (100 kHz) Spurious free dynamic range | 83 | dB |