| Electronic Components Datasheet Search |
|
STM32F091CB Datasheet(PDF) 87 Page - STMicroelectronics |
|
|
|||||||||||||||||||||||||||||
STM32F091CB Datasheet(HTML) 87 Page - STMicroelectronics |
|
87 / 127 page ![]() DocID026284 Rev 3 87/127 STM32F091xB STM32F091xC Electrical characteristics 99 Equation 1: RAIN max formula The formula above (Equation 1) is used to determine the maximum external impedance allowed for an error below 1/4 of LSB. Here N = 12 (from 12-bit resolution). RAIN TS fADC CADC 2 N2 + () ln × × ---------------------------------------------------------------- RADC – < Table 58. RAIN max for fADC = 14 MHz Ts (cycles) tS (µs) RAIN max (kΩ)(1) 1.5 0.11 0.4 7.5 0.54 5.9 13.5 0.96 11.4 28.52.0425.2 41.52.9637.2 55.5 3.96 50 71.5 5.11 NA 239.5 17.1 NA 1. Guaranteed by design, not tested in production. Table 59. ADC accuracy(1)(2)(3) Symbol Parameter Test conditions Typ Max(4) Unit ET Total unadjusted error fPCLK = 48 MHz, fADC = 14 MHz, RAIN < 10 kΩ VDDA = 3 V to 3.6 V TA = 25 °C ±1.3 ±2 LSB EO Offset error ±1 ±1.5 EG Gain error ±0.5 ±1.5 ED Differential linearity error ±0.7 ±1 EL Integral linearity error ±0.8 ±1.5 ET Total unadjusted error fPCLK = 48 MHz, fADC = 14 MHz, RAIN < 10 kΩ VDDA = 2.7 V to 3.6 V TA = −40 to 105 °C ±3.3 ±4 LSB EO Offset error ±1.9 ±2.8 EG Gain error ±2.8 ±3 ED Differential linearity error ±0.7 ±1.3 EL Integral linearity error ±1.2 ±1.7 ET Total unadjusted error fPCLK = 48 MHz, fADC = 14 MHz, RAIN < 10 kΩ VDDA = 2.4 V to 3.6 V TA = 25 °C ±3.3 ±4 LSB EO Offset error ±1.9 ±2.8 EG Gain error ±2.8 ±3 ED Differential linearity error ±0.7 ±1.3 EL Integral linearity error ±1.2 ±1.7 1. ADC DC accuracy values are measured after internal calibration. |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |