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| 型号： | 71M6113-IL/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 4/19页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER 3PHASE 8SOIC |
| 标准包装： | 280 |
| 系列： | * |
71M6xxx Data Sheet
1
HARDWARE DESCRIPTION
The 71M6103/71M6113/71M6201/71M6203/71M6601/71M6603 (71M6xxx) remote sensor ICs integrate
all functional blocks required to implement an isolated front-end with digital communication capability.
Figure 1 shows the 71M6xxx IC block diagram. The chip includes the following:
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Preamplifier with a fixed gain
22-bit delta-sigma ADC
ADC voltage reference
Temperature sensor
VCC monitor
Power-on reset circuitry
Bidirectional pulse interface
Active rectifiers for supply-voltage generation from the power pulses provided by the 71M654x
Digital control section providing control registers for the selection of operation modes
INP
SHUNT
+
-
PREAMP
ADC
VREF
INN
-
+
CROSS
ADC_CLK
VBIAS
ADC_OUT
BUFFER
VCC
To
71M654X
1:1.1
SP
SN
PLL
PULSEIO
VDD
RD_CLK
WR_DATA
CHOP
BAND
GAP
IBIAS
TEMP/VCC
MONITOR
Primary
Secondary
RD_DATA
POWER
ON
RESET
RD_DATA
DIGITAL SECTION
RESET
DATA_IN[15:0]
OTP MEMORY
ACTIVE
RECTI-
FIERS
GND
VCC
TEST
Figure 1: Block Diagram
2
FUNCTIONAL DESCRIPTION
During normal operation, the SP and SN pins of the 71M6xxx are connected to the pulse transformer.
When PLL_FAST = 1 in the 71M654x, power pulses generated by the 71M654x arrive every 610.35ns.
The PLL in the 71M6xxx locks to these incoming power pulses. The communication between the
71M654x and the 71M6xxx is synchronized to the multiplexer frames of the 71M654x. The
communication protocol is Maxim Integrated-proprietary, and details are not described in this data sheet.
All aspects of the communication between the 71M654x and the 71M6xxx are managed on the hardware
level and they are completely transparent to the user.
The communication interface can run at two different data rates. Power pulses are generated every
610.35ns if the PLL_FAST register in the 71M654x is set to 1, and every 1.905 μ s if PLL_FAST is set to 0.
The power pulses are 101.7ns wide with PLL_FAST = 1, and 160ns wide with PLL_FAST = 0.
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6113-ILR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:On-Chip Temperature Sensor Enables Localized Digital Temperature On-Chip Power Monitoring |
| 71M6113-ILR/F | 功能描述:模数转换器 - ADC Isolated Sensor (3-phase 0.5%) RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| 71M6201 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:On-Chip Temperature Sensor Enables Localized Digital Temperature On-Chip Power Monitoring |
| 71M6201-IF | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:On-Chip Temperature Sensor Enables Localized Digital Temperature On-Chip Power Monitoring |
| 71M6201-IL | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:On-Chip Temperature Sensor Enables Localized Digital Temperature On-Chip Power Monitoring |
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