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參數資料
| 型號： | ADUC7027AST62 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU |
| 中文描述： | 32-BIT, FLASH, 45.5 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | PLASTIC, LQFP-80 |
| 文件頁數： | 6/80頁 |
| 文件大小： | 840K |
| 代理商： | ADUC7027AST62 |
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ADuC702x Series
Preliminary Technical Data
TERMINOLOGY
ADC Specifications
Rev. PrB | Page 6 of 80
Integral Nonlinearity
This is the maximum deviation of any code from a straight line
passing through the endpoints of the ADC transfer function.
The endpoints of the transfer function are zero scale, a point 1/2
LSB below the first code transition and full scale, a point 1/2
LSB above the last code transition.
Differential Nonlinearity
This is the difference between the measured and the ideal 1 LSB
change between any two adjacent codes in the ADC.
Offset Error
This is the deviation of the first code transition (0000 . . . 000) to
(0000 . . . 001) from the ideal, i.e., +1/2 LSB.
Gain Error
This is the deviation of the last code transition from the ideal
AIN voltage (Full Scale – 1.5 LSB) after the offset error has been
adjusted out.
Signal to (Noise + Distortion) Ratio
This is the measured ratio of signal to (noise + distortion) at the
output of the ADC. The signal is the rms amplitude of the
fundamental. Noise is the rms sum of all nonfundamental
signals up to half the sampling frequency (fS/2), excluding dc.
The ratio is dependent upon the number of quantization levels
in the digitisation process; the more levels, the smaller the
quantization noise. The theoretical signal to (noise + distortion)
ratio for an ideal N-bit converter with a sine wave input is given
by:
Signal to (Noise + Distortion) = (6.02N + 1.76) dB
Thus for a 12-bit converter, this is 74 dB.
Total Harmonic Distortion
Total Harmonic Distortion is the ratio of the rms sum of the
harmonics to the fundamental.
DAC SPECIFICATIONS
Relative Accuracy
Relative accuracy or endpoint linearity is a measure of the
maximum deviation from a straight line passing through the
endpoints of the DAC transfer function. It is measured after
adjusting for zero error and full-scale error.
Voltage Output Settling Time
This is the amount of time it takes for the output to settle to
within a 1 LSB level for a full-scale input change..
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADUC7027ASTZ62 | 制造商:Analog Devices 功能描述:MCU 32BIT RISC 62KB FLASH 3.3V 80LQFP - Trays |
| ADUC7027BST62 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU |
| ADUC7027BSTZ62 | 功能描述:IC MCU FLASH 62K ANLG I/0 80LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC7xxx 標準包裝:250 系列:LPC11Uxx 核心處理器:ARM? Cortex?-M0 芯體尺寸:32-位 速度:50MHz 連通性:I²C，Microwire，SPI，SSI，SSP，UART/USART，USB 外圍設備:欠壓檢測/復位，POR，WDT 輸入/輸出數:40 程序存儲器容量:96KB（96K x 8） 程序存儲器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 3.6 V 數據轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:48-LQFP 包裝:托盤 其它名稱:568-9587 |
| ADUC7027BSTZ62I | 功能描述:IC MCU FLASH 62K ANLG I2C 80LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC7xxx 標準包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA，UART/USART 外圍設備:欠壓檢測/復位，LED，POR，PWM，WDT 輸入/輸出數:16 程序存儲器容量:4KB（4K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數據轉換器:- 振蕩器型:內部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND |
| ADUC7027BSTZ62I-RL | 制造商:Analog Devices 功能描述: |
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