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MAX71020
Single-Chip Electricity Meter AFE
ELECTRICAL CHARACTERISTICS (continued)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TEMPERATURE MONITOR
TNOM (Nominal Value at 22°C)
Temperature Measurement
Equation
V V3P3A = 3.3V
956
Temp = 0.33 x STEMP +
21.77
LSB
°C
Temperature Error (Note 4)
T A = -40°C to +85°C
T A = -20°C to +60°C
-6
-4.8
+6
+4.8
°C
Duration of Temperature
Measurement After Setting
TEMP_PER = 0
15
60
ms
TEMP_START
SUPPLY CURRENT PERFORMANCE SPECIFICATIONS
V 3P3A + V 3P3SYS Current
(Note 4)
V V3P3A = V V3P3SYS = 3.3V, CE_E = 1,
ADC_E = 1
3
4.3
mA
INTERNAL POWER-FAULT COMPARATOR SPECIFICATIONS
Overall Response Time
100mV overdrive, falling
100mV overdrive, rising
20
8
200
200
F s
3.0V comparator
2.83
2.93
3.03
V
Falling Threshold
Hysteresis (Rising Threshold -
Falling Threshold)
2.8V comparator
Difference 3.0V and 2.8V comparators
3.0V comparator, T A = +22°C
2.8V comparator, T A = +22°C
2.75
50
17
15
2.81
136
45
42
2.89
220
74
70
V
mV
mV
PLL PERFORMANCE SPECIFICATIONS
PLL Power-Up Settling Time
PLL_FAST Settling Time
V V3P3A = 0 to 3.3V step, measured from first edge
of MCK
V V3P3A = 3.3V, PLL_FAST rise
V V3P3A = 3.3V, PLL_FAST fall
75
10
10
F s
F s
PLL Lock Frequency at XOUT
V V3P3A = 3.3V, MCK frequency error < 1%
7
9.8
13
MHz
VREF PERFORMANCE SPECIFICATIONS
VREF Output Voltage, VREF (22) T A = +22°C
1.200
1.205
1.210
V
VREF Power-Supply Sensitivity
(DV REF /DV V3P3A )
V V3P3A = 3.0V to 3.6V
-1.5
+1.5
mV/V
VNOM Definition
VNOM Temperature Coefficient
TC1
VNOM Temperature Coefficient
TC2
VREF(T) Deviation from
VNOM(T):
VNOM(T) = VREF(22) +
TC1(T - 22) + TC2(T - 22) 2
29.32 - 1.05 x TRIMT
-0.56 - 0.004 x TRIMT
V
F V/°C
F V/°C 2
VREF(T) - VNOM(T)10 6
(Note 4)
-40
+40
ppm/°C
VNOM(T) 62
Maxim Integrated
3
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相关代理商/技术参数
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
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
MAX710ESE+ 制造商:Maxim Integrated Products 功能描述:CONVERTOR DC/DC ((NW))
MAX710ESE+T 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
MAX710ESE-T 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