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| 型號(hào)： | ADUC814 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | MicroConverter, Small Package 12-Bit ADC with Embedded Flash MCU |
| 中文描述： | MicroConverter的，小包裝12位ADC，嵌入式閃存MCU |
| 文件頁(yè)數(shù)： | 12/72頁(yè) |
| 文件大小： | 846K |
| 代理商： | ADUC814 |
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ADuC814
TERMINOLOGY
ADC SPECIFICATIONS
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
point1/2 LSB below the first code transition and full scale, a
point 1/2 LSB above the last code transition.
Rev. A | Page 12 of 72
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.
Full-Scale Error
This is the deviation of the last code transition from the ideal
AIN voltage (full-scale 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 (f
S
/2), excluding dc.
The ratio is dependent upon the number of quantization levels
in the digitization 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)
Thus, for a 12-bit converter, this is 74 dB.
Total Harmonic Distortion (THD)
Total harmonic distortion is the ratio of the rms sum of the
harmonics to the fundamental.
Peak Harmonic or Spurious Noise
Peak harmonic or spurious noise is defined as the ratio of the
rms value of the next largest component in the ADC output
spectrum (up to f
S
/2 and including dc) to the rms value of the
fundamental. Normally, the value of this specification is
determined by the largest harmonic in the spectrum, but for
ADCs where the harmonics are buried in the noise floor, it is
the noise peak.
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-scale error and full-scale error.
Voltage Output Settling Time
This is the amount of time it takes for the output to settle to a
specified level for a full-scale input change.
Digital-to-Analog Glitch Impulse
This is the amount of charge injected into the analog output
when the inputs change state. It is specified as the area of the
glitch in nV-sec.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADUC814_02 | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:MicroConverter, Small Package 12-Bit ADC with Embedded FLASH MCU |
| ADUC814AN | 功能描述:8052 MicroConverter? ADuC8xx Microcontroller IC 8-Bit 16.78MHz 8KB (8K x 8) FLASH 制造商:analog devices inc. 系列:MicroConverter? ADuC8xx 包裝:- 零件狀態(tài):上次購(gòu)買(mǎi)時(shí)間 核心處理器:8052 核心尺寸:8-位 速度:16.78MHz 連接性:I2C，SPI，UART/USART 外設(shè):POR，PSM，溫度傳感器，WDT I/O 數(shù):- 程序存儲(chǔ)容量:8KB（8K x 8） 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 容量:640 x 8 RAM 容量:256 x 8 電壓 - 電源（Vcc/Vdd）:2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:* 振蕩器類(lèi)型:內(nèi)部 工作溫度:* 封裝/外殼:- 供應(yīng)商器件封裝:- 標(biāo)準(zhǔn)包裝:1 |
| ADUC814ARU | 功能描述:IC ADC 12BIT W/FLASH MCU 28TSSOP RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)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(shè)備:欠壓檢測(cè)/復(fù)位，LED，POR，PWM，WDT 輸入/輸出數(shù):16 程序存儲(chǔ)器容量:4KB（4K x 8） 程序存儲(chǔ)器類(lèi)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(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)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(chēng):269-4116Z8F0413SH005EG-ND |
| ADUC814ARU-D2 | 制造商:Analog Devices 功能描述:12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C - Bulk |
| ADUC814ARU-REEL | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 8KB Flash 3V/5V 28-Pin TSSOP T/R 制造商:Analog Devices 功能描述:12 BIT ADC WITH EMBEDDED 8-BIT MICRO I.C - Tape and Reel |
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