MAX6646, MAX6647, MAX6649
+145°C、精密的、SMBus兼容、远端/本地传感器，带有过温报警
概述
完整的数据资料
(PDF, 180kB)
英文 下载
MAX6646/MAX6647/MAX6649是精密的、2通道数字温度传感器。这些器件可准确地测量自身管芯的温度和远端PN结的温度，并可通过2线串行接口提供温度的数字输出。远端PN结通常为CPU、FPGA、ASIC内的共集电极PNP的发射结。
关键特性
应用/使用
双通道：测量远端和本地温度
0.125°C分辨率
高精度：+60°C至+145°C (远端)时为±1°C (最大值)和+60°C至+100°C (本地)时为±2°C (最大值)
可测量高度理想的测温二极管温度，最高达
两个报警输出：/ALERT和/OVERT
可编程低/高温报警门限
可编程转换速率
SMBus兼容接口
SMBus超时检测
Key Specifications:
Temperature Sensors
Part Number
Sensor Type
Alarm Output
Functions
Interface
Remote Channels
Accuracy (±°C)
Parasite Power
Temperature Threshold
Temperature Resolution (Bits)
Operating Temp. Range (°C)
Smallest Available Package (max w/pins) (mm2 )
Price**
MAX6646
Remote
Alert
2-Wire/I2 C/SMBus
Single
0.8
No
Programmable
11
-55 to +125
16
$1.50 @ 1k
MAX6647
$1.50 @ 1k
MAX6649
$1.89 @ 1k
See All Temperature Sensors (99)
Notes:
** This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
参考文献： 19-2540;
Rev. 3;
2007-05-18
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