參數(shù)資料
型號: MD80C52EXXX-30P883
廠商: TEMIC SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CDIP40
文件頁數(shù): 50/132頁
文件大?。?/td> 10886K
代理商: MD80C52EXXX-30P883
216
ATmega8535(L)
2502K–AVR–10/06
Offset Compensation
Schemes
The gain stage has a built-in offset cancellation circuitry that nulls the offset of differen-
tial measurements as much as possible. The remaining offset in the analog path can be
measured directly by selecting the same channel for both differential inputs. This offset
residue can be then subtracted in software from the measurement results. Using this
kind of software based offset correction, offset on any channel can be reduced below
one LSB.
ADC Accuracy Definitions
An n-bit single-ended ADC converts a voltage linearly between GND and V
REF in 2
n
steps (LSBs). The lowest code is read as 0, and the highest code is read as 2
n - 1.
Several parameters describe the deviation from the ideal behavior:
Offset: The deviation of the first transition (0x000 to 0x001) compared to the ideal
transition (at 0.5 LSB). Ideal value: 0 LSB.
Figure 107. Offset Error
Gain Error: After adjusting for offset, the Gain Error is found as the deviation of the
last transition (0x3FE to 0x3FF) compared to the ideal transition (at 1.5 LSB below
maximum). Ideal value: 0 LSB.
Figure 108. Gain Error
Output Code
VREF Input Voltage
Ideal ADC
Actual ADC
Offset
Error
Output Code
VREF Input Voltage
Ideal ADC
Actual ADC
Gain
Error
相關(guān)PDF資料
PDF描述
MC80C52XXX-30SCD 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CDIP40
MR83C154DXXX-20/883R 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQCC44
MD80C32-12 8-BIT, 12 MHz, MICROCONTROLLER, CDIP40
MC80C52XXX-36 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CDIP40
MQ80C52XXX-16:R 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQFP44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MD80C86 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MD80C862 制造商:Intel 功能描述:PROCESSOR:MICRO-PROCESSOR
MD80C86-2 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MD80C86-2/883 制造商:Intersil Corporation 功能描述:MPU 16BIT CMOS 8MHZ 40CDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:CPU 16BILT 5V CMOS 8MHZ 40CDIP - Bulk
MD80C86-2/B 制造商:Intersil Corporation 功能描述:MPU 16BIT CMOS 8MHZ 40CDIP - Rail/Tube