参数资料
型号: AD7877ACBZ-REEL
厂商: Analog Devices Inc
文件页数: 6/45页
文件大小: 0K
描述: IC CTRLR TOUCH SCREEN 25-WLCSP
标准包装: 10,000
类型: 电阻
触摸面板接口: 4 线
输入数/键: 1 TSC
分辨率(位): 12 b
评估套件: 可供
数据接口: 串行,SPI?
数据速率/采样率 (SPS,BPS): 125k
电压基准: 外部,内部
电源电压: 2.7 V ~ 5.25 V
电流 - 电源: 1µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 25-UFBGA,WLCSP
供应商设备封装: 25-WLCSP
包装: 带卷 (TR)
配用: EVAL-AD7877EBZ-ND - BOARD EVALUATION FOR AD7877
Data Sheet
AD7877
Rev. D | Page 13 of 44
TERMINOLOGY
Integral Nonlinearity (INL)
The maximum deviation from a straight line passing through
the endpoints of the ADC transfer function. The endpoints of
the transfer function are zero scale at 1 LSB below the first code
transition, and full scale at 1 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 (00…000) to
(00…001) from the ideal (AGND + 1 LSB).
Gain Error
The deviation of the last code transition (111…110) to
(111…111) from the ideal (VREF 1 LSB) after the offset
error has been adjusted out.
On Resistance
A measure of the ohmic resistance between the drain and the
source of the switch drivers.
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