参数资料
型号: MAX71020AEUI+
厂商: Maxim Integrated
文件页数: 4/35页
文件大小: 0K
描述: IC ENERGY METER 1PH 28TSSOP
标准包装: 50
输入阻抗: 50 千欧 ~ 100 千欧
测量误差: 0.5%
电压 - 高输入/输出: 2V
电压 - 低输入/输出: 0.8V
电流 - 电源: 4.3mA
电源电压: 2.8 V ~ 3.6 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: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 管件
MAX71020
Single-Chip Electricity Meter AFE
ELECTRICAL CHARACTERISTICS (continued)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ADC CONVERTER PERFORMANCE SPECIFICATIONS
Recommended Input Range
(with Respect to GNDA)
Recommended Input Range
(with Respect to GNDA)
Input Impedance, No
Preamplifier
VA, VB, IBP, IBN
IAP, IAN: preamplifier enabled
IAP, IAN: preamplifier disabled
f IN = 65Hz
-250
-27.78
-250
50
+250
+27.78
+250
100
mVpk
mVpk
ADC Gain Error vs Percentage
Power-Supply Variation
10 6 ? Nout PK 357nV V IN
100 ? V3P3A 3.3
V IN = 200mV peak, 65Hz; V V3P3A = 3.0V, 3.6V
81
ppm/%
Input Offset
Total Harmonic Distortion at
250mVpk
Total Harmonic Distortion at
20mVpk
IAP = IAN = GNDA
V IN = 55Hz, 250mVpk, 64kpts FFT,
Blackman Harris Window
V IN = 55Hz, 20mVpk, 64kpts FFT,
Blackman Harris Window
-10
-85
-90
+10
mV
dB
dB
FIRLEN = 15
120.46
LSB Size (LSB Values Do Not
Include the 9-Bit Left Shift at
the CE Input)
V IN = 55Hz, 20mVpk,
64kpts FFT, Blackman-
Harris window, 10MHz
ADC clock
FIRLEN = 14
FIRLEN = 13
FIRLEN = 12
FIRLEN = 11
146.20
179.82
224.59
285.54
nV
FIRLEN = 10
FIRLEN = 15
FIRLEN = 14
370.71
Q 2621440
Q 2160000
Digital Full Scale
V IN = 55Hz, 400mVpk,
10MHz ADC clock
FIRLEN = 13
FIRLEN = 12
Q 1756160
Q 1406080
LSB
PREAMPLIFIER PERFORMANCE SPECIFICATIONS
Differential Gain,
FIRLEN = 11
FIRLEN = 10
Q 1105920
Q 851840
(V IN = 28mV Differential)
Differential Gain
T A = +25°C, V V3P3A = 3.3V, preamplifier enabled
8.9
V/V
(V IN = 15mV Differential)
Gain Variation vs. V 3P3A
(V IN = 28mV Differential)
Gain Variation vs. Temperature
(V IN = 28mV Differential)
V V3P3A = 3.0V, 3.6V
T A = -40°C to +85°C
-72
-45
ppm/%
ppm/°C
Phase Shift (V IN = 28mV
Differential)
T A = +25°C, V V3P3A = 3.3V (Note 4)
0
8
milli-
degree
Preamplifier Input Current (I IAP )
Preamplifier Input Current (I IAN )
Preamplifier enabled, IADC0 = IADC1 = GNDA
9
15
20
μA
Maxim Integrated
4
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MAX71020AEUI+ 功能描述:电信线路管理 IC Single-Chip AFE Electricity Meter RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
MAX71020AEUI+R 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single-Chip Electricity Meter AFE
MAX710C/D 功能描述:直流/直流开关转换器 3.3V/5V or Adjustable Step-Up Step-Down DC-DC Converters RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX710C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX710ESE 功能描述:直流/直流开关转换器 3.3/5V or Adjustable Step-Up Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT