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| 型号： | MCP3905L-E/SS |
| 厂商： | Microchip Technology |
| 文件页数： | 3/32页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 24SSOP |
| 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 ~ 125°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 |
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MCP3905A/05L/06A
1.0
ELECTRICAL
? Notice: Stresses above those listed under “ Maximum
CHARACTERISTICS
Absolute Maximum Ratings ?
V DD ...................................................................................7.0V
Digital inputs and outputs w.r.t. A GND ........ -0.6V to V DD +0.6V
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 operation listings of this specification is
not implied. Exposure to maximum rating conditions for
extended periods may affect device reliability.
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,
MCP3905A, MCP3905L only
( Note 1 , Note 4 )
—
0.1
—
% F OUT Channel 0 swings 1:1000 range,
MCP3906A only ( Note 1 , Note 4 )
No-Load Threshold/
NLT
—
0.0015
—
% F OUT Disabled when F2, F1, F0 = 0, 1, 1
Minimum Load
Max
( Note 5 , Note 6 )
Phase Delay Between
—
—
1/MCLK
s
HPF = 0 and 1, < 1 MCLK
Channels
( Note 4 , Note 6 , Note 7 )
AC Power Supply Rejection
AC PSRR
—
0.01
—
% F OUT F2, F1, F0 = 0, 1, 1 ( Note 3 )
(output frequency variation)
DC Power Supply Rejection
DC PSRR
—
0.01
—
% F OUT HPF = 1, Gain = 1 ( Note 3 )
(output frequency
variation)
System Gain Error
—
3
10
% F OUT ( Note 2 , Note 5 )
ADC/PGA Specifications
Offset Error
V OS
—
2
5
mV
Referred to Input
Gain Error Match
—
0.5
—
% F OUT ( Note 5 )
Internal Voltage Reference
Voltage
Tolerance
Tempco
—
—
—
2.4
±2
15
—
—
—
V
%
ppm/°C
Note 1:
2:
3:
4:
5:
6:
7:
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 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 degree lead (PF = 0.5 capacitive) and 60 degree 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.
? 2006-2011 Microchip Technology Inc.
DS22011B-page 3
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