参数资料
型号: TC820CPL
厂商: Microchip Technology
文件页数: 14/34页
文件大小: 0K
描述: IC ADC 3 3/4DGT LGC PROBE 40DIP
标准包装: 10
显示器类型: LCD
配置: 7 段 + 2 个信号器
数字或字符: A/D,3.75 位数字
电流 - 电源: 1mA
电源电压: 9V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 40-DIP(0.600",15.24mm)
供应商设备封装: 40-PDIP
包装: 管件
产品目录页面: 673 (CN2011-ZH PDF)
TC820
Segment
Drive
BP1
LCD
BP3
Measured
System
V+
V BUF
V IN +
V IN -
C AZ V INT
TC820
BP2
OSC1
V+ V-
Power
V-
GND
GND
Analog
Common V REF - V REF + V DD
+
OSC2
V SS OSC3
NC
FIGURE 3-7:
Source
9V
Common Mode Voltage Removed In Battery Operation With V IN = Analog Common.
C I
Input Buffer
+
+
R I
V IN
+
V I
Integrator
V CM
V I =
T I
R I C I
[ V CM – V IN [
Where:
T I = Integration Time =
4000
F OSC
C I = Integration Capacitor
R I = Integration Resistor
FIGURE 3-8:
DS21476C-page 14
Common Mode Voltage Reduces Available Integrator Swing (V COM ≠ V IN ).
? 2007 Microchip Technology Inc.
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