参数资料
型号: AD7877ACBZ-REEL
厂商: Analog Devices Inc
文件页数: 45/45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
AD7877
Data Sheet
Rev. D | Page 8 of 44
Pin No.
Mnemonic
Description
28
VDRIVE
Logic Power Supply Input. The voltage supplied at this pin determines the operating voltage for the serial
interface of the AD7877.
29
ARNG
When the DAC is in current output mode, a resistor from ARNG to GND sets the output range.
30
AOUT
Analog Output Voltage or Current from DAC.
31
VREF
Reference Output for the AD7877. The internal 2.5 V reference is available on this pin for use external to the
device. The reference output must be buffered before it is applied elsewhere in a system. To reduce system
noise effects, it is strongly recommended to place a capacitor of 100 nF between the VREF pin and GND.
Alternatively, an external reference can be applied to this input. The voltage range for the external reference is
1.0 V to VCC. For the specified performance, it is 2.5 V on the AD7877.
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