MAX71020
Single-Chip Electricity Meter AFE
ELECTRICAL CHARACTERISTICS (continued)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Preamplifier and ADC Total
Harmonic
(V IN = 28mV Differential)
T A = +25°C; V V3P3A = 3.3V, PRE_E = 1
-80
dB
Preamplifier and ADC Total
Harmonic Distortion
(V IN = 15mV Differential)
T A = +25°C; V V3P3A = 3.3V, PRE_E = 1
-85
dB
SPI SLAVE TIMING SPECIFICATIONS
SPI Setup Time
SPI Hold Time
SPI Output Delay
SPI Recovery Time
SPI Removal Time
SPI Clock High
SPI Clock Low
SPI Clock Frequency
SPI Transaction Space
(SPI_CSZ Rise to SPI_CSZ Fall)
SPI_DI to SPI_CK rise
SPI_CLK rise to SPI_DI
SPI_CLK fall to SPI_D0
SPI_CSZ fall to SPI_CLK
SPI_CLK to SPI_CSZ rise
10
10
10
15
40
40
1
40
10
ns
ns
ns
ns
ns
ns
ns
MHz
μs
RESETZ TIMING
Reset Pulse Width
Reset Pulse Rise Time
Following power-on
At all other times
(Note 4)
1
5
1
ms
μs
μs
VOLTAGE MONITOR
Nominal Value at +22°C
(VNOM)
Voltage Measurement Equation
V V3P3A = 3.3V
130
V V3P3SYS (CALC) = 3.29V +
(VSENSE – 130) x 0.025V +
LSB
STEMP x 242 F V
Voltage Error
100 × ? üüü
- 1 ?
? üüü
? V üüü
?
?
-4
+4
%
Note 2: V 3P3SYS and V 3P3A must be connected together.
Note 3: GNDA and GNDD must be connected together.
Note 4: Guaranteed by design, not production tested.
Maxim Integrated
5
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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