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参数资料
型号： ADUC7021BCPZ62-RL
厂商： Analog Devices Inc
文件页数： 37/104页
文件大小： 0K
描述： IC MCU 12BIT 1MSPS UART 40-LFCSP
标准包装： 2,500
系列： MicroConverter® ADuC7xxx
核心处理器： ARM7
芯体尺寸： 16/32-位
速度： 44MHz
连通性： EBI/EMI，I²C，SPI，UART/USART
外围设备： PLA，PWM，PSM，温度传感器，WDT
输入/输出数： 13
程序存储器容量： 64KB（32K x 16）
程序存储器类型： 闪存
RAM 容量： 2K x 32
电压 - 电源 (Vcc/Vdd)： 2.7 V ~ 3.6 V
数据转换器： A/D 8x12b，D/A 2x12b
振荡器型： 内部
工作温度： -40°C ~ 125°C
封装/外壳： 40-VFQFN 裸露焊盘，CSP
包装： 带卷 (TR)
ADuC7019/20/21/22/24/25/26/27/28/29
Data Sheet
Rev. F | Page 38 of 104
TERMINOLOGY
ADC SPECIFICATIONS
Integral Nonlinearity (INL)
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
LSB below the first code transition, and full scale, a point
LSB above the last code transition.
Differential Nonlinearity (DNL)
The difference between the measured and the ideal 1 LSB
change between any two adjacent codes in the ADC.
Offset Error
The deviation of the first code transition (0000 . . . 000) to
(0000 . . . 001) from the ideal, that is, + LSB.
Gain Error
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 (SINAD)
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 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) = (6.02 N + 1.76) dB
Thus, for a 12-bit converter, this is 74 dB.
Total Harmonic Distortion (THD)
The ratio of the rms sum of the harmonics to the fundamental.
DAC SPECIFICATIONS
Relative Accuracy
Otherwise known as endpoint linearity, relative accuracy 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
The amount of time it takes the output to settle to within a
1 LSB level for a full-scale input change.
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相关代理商/技术参数
参数描述
ADUC7021BCPZ62-RL7 功能描述:IC MCU 12BIT 1MSPS UART 40-LFCSP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC7xxx 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA，UART/USART 外围设备:欠压检测/复位，LED，POR，PWM，WDT 输入/输出数:16 程序存储器容量:4KB（4K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND
ADUC7022 制造商:AD 制造商全称:Analog Devices 功能描述:Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
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ADUC7022ACPZ32 制造商:Analog Devices 功能描述:MCU 32BIT RISC 32KB FLASH 3.3V 40LFCSP EP - Trays
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