参数资料
型号: ADE7758ARWZ
厂商: Analog Devices Inc
文件页数: 5/72页
文件大小: 0K
描述: IC ENERGY METERING 3PHASE 24SOIC
标准包装: 31
输入阻抗: 380 千欧
测量误差: 0.1%
电压 - 高输入/输出: 2.4V
电压 - 低输入/输出: 0.8V
电流 - 电源: 8mA
电源电压: 4.75 V ~ 5.25 V
测量仪表类型: 3 相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 管件
产品目录页面: 797 (CN2011-ZH PDF)

Data Sheet
ADE7758
SPECIFICATIONS
AVDD = DVDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 10 MHz XTAL, T MIN to T MAX = ?40°C to +85°C.
Table 1.
Parameter 1, 2
Specification
Unit
Test Conditions/Comments
ACCURACY
Active Energy Measurement Error
0.1
% typ
Over a dynamic range of 1000 to 1
(per Phase)
Phase Error Between Channels
Line frequency = 45 Hz to 65 Hz, HPF on
PF = 0.8 Capacitive
PF = 0.5 Inductive
AC Power Supply Rejection
Output Frequency Variation
DC Power Supply Rejection
Output Frequency Variation
Active Energy Measurement Bandwidth
IRMS Measurement Error
IRMS Measurement Bandwidth
VRMS Measurement Error
VRMS Measurement Bandwidth
ANALOG INPUTS
Maximum Signal Levels
Input Impedance (DC)
ADC Offset Error 3
Gain Error 3
WAVEFORM SAMPLING
Current Channels
Signal-to-Noise Plus Distortion
Bandwidth (?3 dB)
Voltage Channels
Signal-to-Noise Plus Distortion
Bandwidth (?3 dB)
±0.05
±0.05
0.01
0.01
14
0.5
14
0.5
260
±500
380
±30
±6
62
14
62
260
°max
°max
% typ
% typ
kHz
% typ
kHz
% typ
Hz
mV max
kΩ min
mV max
% typ
dB typ
kHz
dB typ
Hz
Phase lead 37°
Phase lag 60°
AVDD = DVDD = 5 V + 175 mV rms/120 Hz
V1P = V2P = V3P = 100 mV rms
AVDD = DVDD = 5 V ± 250 mV dc
V1P = V2P = V3P = 100 mV rms
Over a dynamic range of 500:1
Over a dynamic range of 20:1
See the Analog Inputs section
Differential input
Uncalibrated error, see the Terminology section
External 2.5 V reference
Sampling CLKIN/128, 10 MHz/128 = 78.1 kSPS
See the Current Channel ADC section
See the Voltage Channel ADC section
REFERENCE INPUT
REF IN/OUT Input Voltage Range
Input Capacitance
ON-CHIP REFERENCE
Reference Error
Current Source
Output Impedance
Temperature Coefficient
CLKIN
Input Clock Frequency
2.6
2.2
10
±200
6
4
30
15
5
V max
V min
pF max
mV max
μA max
kΩ min
ppm/°C typ
MHz max
MHz min
2.4 V + 8%
2.4 V ? 8%
Nominal 2.4 V at REF IN/OUT pin
All specifications CLKIN of 10 MHz
LOGIC INPUTS
DIN, SCLK, CLKIN, and CS
Input High Voltage, V INH
Input Low Voltage, V INL
Input Current, I IN
Input Capacitance, C IN
2.4
0.8
±3
10
V min
V max
μA max
pF max
DVDD = 5 V ± 5%
DVDD = 5 V ± 5%
Typical 10 nA, V IN = 0 V to DVDD
Rev. E | Page 5 of 72
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