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| 型号： | MCP3905L-I/SS |
| 厂商： | Microchip Technology |
| 文件页数： | 3/30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 |
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MCP3905/06
1.0
ELECTRICAL
CHARACTERISTICS
? Notice: Stresses above those listed under "Maximum
Ratings" may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
Absolute Maximum Ratings ?
V DD ...................................................................................7.0V
operation listings of this specification is not implied. Exposure
to maximum rating conditions for extended periods may affect
device reliability.
Digital inputs and outputs w.r.t. A GND ........ -0.6V to V DD +0.6V
Analog input w.r.t. A GND ..................................... ....-6V to +6V
V REF input w.r.t. A GND .............................. -0.6V to V DD +0.6V
Storage temperature .....................................-65°C to +150°C
Ambient temp. with power applied ................-65°C to +125°C
Soldering temperature of leads (10 seconds) ............. +300°C
ESD on the analog inputs (HBM,MM) .................5.0 kV, 500V
ESD on all other pins (HBM,MM) ........................5.0 kV, 500V
ELECTRICAL CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all parameters apply at AV DD = DV DD = 4.5V – 5.5V,
Internal V REF , HPF turned on (AC mode), A GND , D GND = 0V, MCLK = 3.58 MHz; T A = -40°C to +85°C.
Parameter
Sym
Min
Typ.
Max
Units
Comment
Overall Measurement Accuracy
Energy Measurement Error E
—
0.1
—
% F OUT Channel 0 swings 1:500 range,
—
0.1 — % F OUT Channel 0 swings 1:1000 range,
No-Load Threshold/
NLT —
0.0015 — % F OUT Disabled when F2, F1, F0 = 0, 1, 1
Minimum Load
Max.
Phase Delay Between
Channels
AC Power Supply
Rejection Ratio
(Output Frequency Variation)
—
AC PSRR —
— 1/MCLK s HPF = 0 and 1, < 1 MCLK
DC Power Supply
Rejection Ratio
(Output Frequency Variation)
ADC/PGA Specifications
Offset Error V OS
— 2 5 mV Referred to Input
Internal Voltage Reference
Voltage — 2.4 — V
Tolerance — ±2 — %
Tempco — 15 — ppm/°C
Note 1:
2:
3:
4:
5:
6:
7:
8:
Measurement error = (Energy Measured By Device - True Energy)/True Energy * 100%. Accuracy is
measured with signal (±660 mV) on Channel 1. F OUT0 , F OUT1 pulse outputs. Valid from 45 Hz to 65 Hz.
See Section 2.0 “Typical Performance Curves” for higher frequencies and increased dynamic range.
Does not include internal V REF . Gain = 1, CH0 = 470 mVDC, CH1 = 660 mVDC, difference between
measured output frequency and expected transfer function.
Percent of HF OUT output frequency variation; Includes external V REF = 2.5V, CH1 = 100 mVRMS @
50 Hz, CH2 = 100 mVRMS @ 50 Hz, AV DD = 5V + 1V pp @ 100 Hz. DC PSRR: 5V ±500 mV.
Error applies down to 60° lead (PF = 0.5 capacitive) and 60° lag (PF = 0.5 inductive).
Refer to Section 4.0 “Device Overview” for complete description.
Specified by characterization, not production tested.
1 MCLK period at 3.58 MHz is equivalent to less than <0.005 degrees at 50 or 60 Hz.
Gain error match is measured from CH0 G = 1 to any other gain setting.
? 2009 Microchip Technology Inc.
DS21948E-page 3
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