MAX6658 - ±1°C、SMBus兼容、远端/本地温度传感器，带有过温报警

MAX6658是Maxim美信半导体公司的一款1-Wire器件产品，MAX6658是±1°C、SMBus兼容、远端/本地温度传感器，带有过温报警，本站介绍了MAX6658的封装应用图解、特点和优点、功能等，并给出了与MAX6658相关的Maxim元器件型号供参考。

MAX6658 - ±1°C、SMBus兼容、远端/本地温度传感器，带有过温报警 - 1-Wire器件 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX6657/MAX6658/MAX6659 are precise, two-channel digital temperature sensors. Each accurately measures the temperature of its own die and one remote PN junction, and reports the temperature in digital form on a 2-wire serial interface. The remote junction can be a diode-connected transistor like the low-cost NPN type 2N3904 or 2N3906 PNP type. The remote junction can also be a common-collector PNP, such as a substrate PNP of a microprocessor.

The 2-wire serial interface accepts standard System Management Bus (SMBus™) commands such as Write Byte, Read Byte, Send Byte, and Receive Byte to read the temperature data and program the alarm thresholds and conversion rate. The MAX6657/MAX6658/MAX6659 can function autonomously with a programmable conversion rate, which allows the control of supply current and temperature update rate to match system needs. For conversion rates of 4Hz or less, the temperature is represented in extended mode as 10 bits + sign with a resolution of 0.125°C. When the conversion rate is faster than 4Hz, output data is 7 bits + sign with a resolution of 1°C. The MAX6657/MAX6658/MAX6659 also include an SMBus timeout feature to enhance system reliability.

Remote accuracy is ±1°C between +60°C and +100°C with no calibration needed. The MAX6657 measures temperatures from 0°C to +125°C and the MAX6658/MAX6659 from -55°C to +125°C. The MAX6659 has the added benefit of being able to select one of three addresses through an address pin, and a second over-temperature alarm pin for greater system reliability.

关键特性

以下关键特性由Maxim美信半导体提供：

Dual Channel Measures Remote and Local Temperature

11-Bit, +0.125°C Resolution

High Accuracy ±1°C (max) from +60°C to +100°C (Remote)

No Calibration Required

Programmable Under/Overtemperature Alarms

Programmable Conversion Rate (0.0625Hz to 16Hz)

SMBus/I²C*-Compatible Interface

Two Alarm Outputs: active-low ALERT and active-low OVERT1 (MAX6657 and MAX6658)

Three Alarm Outputs: active-low ALERT, active-low OVERT1, and active-low OVERT2 (MAX6659)

Compatible with 65nm Process Technology(Y Versions)

热门应用

计算机：台式机、工作站和服务器

笔记本电脑

服务器

工作站

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