71M6515H-IGT

更新时间： 2024-01-11 18:27:26

品牌	Logo	应用领域
TERIDIAN		温度补偿
页数	文件大小	规格书
60页	827K
描述
Up to 10ppmC precision ultra-stable voltage reference Digital temperature compensation

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71M6515H-IGT 技术参数

生命周期：	Transferred	零件包装代码：	QFP
包装说明：	LFQFP,	针数：	64
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.59	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
JESD-30 代码：	S-PQFP-G64	长度：	10 mm
功能数量：	1	端子数量：	64
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	LFQFP
封装形状：	SQUARE	封装形式：	FLATPACK, LOW PROFILE, FINE PITCH
认证状态：	Not Qualified	座面最大高度：	1.6 mm
最大供电电压 (Vsup)：	3.6 V	最小供电电压 (Vsup)：	3 V
标称供电电压 (Vsup)：	3.3 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
宽度：	10 mm	Base Number Matches：	1

71M6515H-IGT 数据手册

19-5361; Rev 7/11

71M6515H

A Maxim Integrated Products Brand

Energy Meter IC

DATA SHEET

JULY 2011

GENERAL DESCRIPTION

FEATURES

The 71M6515H is a high-accuracy analog front-end

(AFE) IC that provides measurements for 3-quadrant

3-phase metering. The combination of a 21-bit

sigma-delta A/D converter with a six-input analog

front-end, a thermally compensated high-precision

reference, and a compute engine results in high

accuracy and wide dynamic range. Our Single

Converter Technology® reduces cross talk and cost.

This IC also provides RTC and battery backup for

time-of-use (TOU) metering.

High Accuracy

 < 0.1% Wh accuracy over 2000:1 range

 Exceeds IEC 62053/ANSIC 12.20 specifications

 Up to 10ppm/C precision ultra-stable voltage

reference

 Single Converter Technology reduces cross talk

and power consumption

 Six sensor inputs—referenced to V3P3

 Compatible with CTs, resistive shunts and

Rogowski Coil sensors

 Digital temperature compensation

 Sag detection

 Measures Wh, VARh, VAh, Vrms, Irms, V-to-V

phase and load angle on each phase

 Four-quadrant metering.

Battery

 Four low-jitter pulse outputs from selectable

measurements

 Four pulse count registers

UART, IRQZ

RTC

 Selectable default status for pulse pins

 Same calibration data for 46Hz to 64Hz line

frequency

HOST

RAM

COMPUTE

PRO-

ENGINE

CESSOR

SSI

 Broad CT phase compensation (±7deg)

VOLTAGE

REFERENCE

CONTROL

Battery Backup

 Powers real-time clock during power supply

outage

 Compatible with Li-ion, NiCd, or super capacitor

 Battery backup current 2µA typical at 25°C

DIO

TERIDIAN 71M6515H

External Data Interface

Figure 1: Meter Block Diagram

 UART control interface, two selectable data rates

 8 general-purpose I/O pins with alarm capability

 5 or 10MHz selectable high-speed synchronous

serial output for DSP interface

 IRQ output signal for alarms and end of

measurement intervals

As shown in the block diagram (Figure 1), the host

processor communicates with the 71M6515H

through a UART interface using the programmable

IRQZ interrupt. The 71M6515H calculates and accu-

mulates meter measurements for each accumulation

interval. A high-speed synchronous serial port (SSI)

is provided to facilitate high-end metering. Integrated

rectifying functions on the battery-backup circuit

enable minimal external component usage and

minimum back-up current. Also, eight multipurpose

pins are provided for control of peripherals.

 Alarms on voltage sag, overvoltage, overcurrent

Low System Cost

 Power consumption 30mW at 3.3V typical

 Real-time clock with temperature compensation

 Built-in power-fault detection

 Single 32kHz crystal time base

 Single-supply operation (3.3V)

 64-lead LQFP package

Single Converter Technology is a registered trademark of

Maxim Integrated Products, Inc.

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