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| 型号： | MCP3905L-I/SS |
| 厂商： | Microchip Technology |
| 文件页数： | 4/30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
ELECTRICAL CHARACTERISTICS (CONTINUED)
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
Reference Input
Input Range 2.2 — 2.6 V
Input Impedance 3.2 — — k Ω
Input Capacitance — — 10 pF
Analog Inputs
Maximum Signal Level — — ±1 V CH0+,CH0-,CH1+,CH1- to A GND
Differential Input Voltage
Range Channel 0
Differential Input Voltage
Range Channel 1
— — ±470/G mV G = PGA Gain on Channel 0
— — ±660 mV
Input Impedance 390 — — k Ω
Proportional to 1/MCLK frequency
Bandwidth
(Notch Frequency)
— 14 — kHz Proportional to MCLK frequency,
MCLK/256
Oscillator Input
Frequency Range MCLK 1 — 4 MHz
Power Specifications
Operating Voltage 4.5 — 5.5 V AV DD, DV DD
I DD,A
I DD,D
I DD,A
I DD,D
— 2.7 3.0 mA AV DD pin only
— 1.2 2.0 mA DV DD pin only
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.
TEMPERATURE CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, V DD = 4.5V – 5.5V, A GND , D GND = 0V.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Temperature Ranges
Specified Temperature Range
T A
-40
—
+85
°C
Operating Temperature Range
Storage Temperature Range
T A
T A
-40
-65
—
—
+125
+150
°C
°C
Thermal Package Resistances
Thermal Resistance, 24L-SSOP
θ JA
—
73
—
°C/W
Note:
The MCP3905/06 operate over this extended temperature range, but with reduced performance. In any
case, the Junction Temperature (T J ) must not exceed the Absolute Maximum specification of +150°C.
DS21948E-page 4
? 2009 Microchip Technology Inc.
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