参数资料
型号: MCP3905L-I/SS
厂商: Microchip Technology
文件页数: 13/30页
文件大小: 0K
描述: IC POWER METERING-1 PHASE 24SSOP
产品培训模块: MCP3901 Analog Front End
标准包装: 59
输入阻抗: 390 千欧
测量误差: 0.1%
电压 - 高输入/输出: 2.4V
电压 - 低输入/输出: 0.85V
电流 - 电源: 2.7mA
电源电压: 4.5 V ~ 5.5 V
测量仪表类型: 单相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.209",5.30mm 宽)
供应商设备封装: 24-SSOP
包装: 管件
产品目录页面: 677 (CN2011-ZH PDF)
配用: MCP3905RD-PM1-ND - REFERENCE DESIGN FOR MCP3905
MCP3905EV-ND - BOARD DEMO FOR MCP3905
MCP3905/06
3.14
High-Frequency Output (HF OUT )
HF OUT is the high-frequency output of the device and
supplies the instantaneous real-power information. The
output is a periodic pulse output, with its period
proportional to the measured active (real) power, and to
the HF C constant defined by F0, F1 and F2 pin logic
states. This output is the preferred output for calibration
due to faster output frequencies, giving smaller
calibration times. Since this output gives instantaneous
active (real) power, the 2 ω ripple on the output should
be noted. However, the average period will show
minimal drift.
3.15
Frequency Output (F OUT0 , F OUT1 )
F OUT0 and F OUT1 are the frequency outputs of the
device that supply the average real-power information.
The outputs are periodic pulse outputs, with its period
proportional to the measured active (real) power, and to
the F c constant, defined by the F0 and F1 pin logic
states. These pins include high-output drive capability
for direct use of electromechanical counters and
2-phase stepper motors. Since this output supplies
average active (real) power, any 2 ω ripple on the output
pulse period is minimal.
? 2009 Microchip Technology Inc.
DS21948E-page 13
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