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EMC1428 bảng dữ liệu(PDF) 1 Page - Microchip Technology

tên linh kiện EMC1428
Giải thích chi tiết về linh kiện  1째C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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 2014 Microchip Technology Inc.
DS20005275A-page 1
Data Sheet
PRODUCT FEATURES
EMC1428
1°C Multiple Temperature Sensor with HW
Thermal Shutdown & Hottest of Thermal Zones
General Description
The EMC1428 is a high accuracy, low cost, System
Management Bus (SMBus) temperature sensor.
Advanced features such as Resistance Error Correction
(REC), Beta Compensation (to CPU diodes requiring the
BJT or transistor model) and automatic diode type
detection combine to provide a robust solution for
complex environmental monitoring applications.
Additionally, the EMC1428 provides a hardware
programmable system shutdown feature that is
programmed at part power-up via a single TRIP_SET
voltage channel that cannot be masked or corrupted
through the SMBus.
The EMC1428 provides ±1° accuracy for external diode
temperatures and ±2°C accuracy for the internal diode
temperature. The device monitors up to eight
temperature channels (up to seven external and one
internal).
Applications
Notebook Computers
Desktop Computers
Industrial
Embedded Applications
Features
Hardware Thermal Shutdown
—
triggers dedicated SYS_SHDN pin
—
hardware configured range 65°C to 127°C in 1°C steps
—
cannot be disabled or modified by software
Supports diodes requiring the BJT or transistor model
Resistance Error Correction (up to 100 Ohms)
Up to seven External Temperature Monitors
—
±1°C Accuracy (60°C < TDIODE < 100°C)
—
0.125°C Resolution
—
Supports up to 2.2nF filter capacitor
— Anti-parallel diodes for extra diode support and
compact design
Internal Temperature Monitor
—
±2°C accuracy
3.3V Supply Voltage
Available in a 16-pin 4mm x 4mm QFN RoHS
Compliant package
Programmable temperature limits for ALERT
Block Diagram


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