MAX6680, MAX6681 ±1°C Fail-Safe Remote/Local Temperature Sensors With SMBus Interface

The MAX6680 MAX6681 are precise, two-channel digital thermometers. Each accurately measures the temperature of its own die and one remote PN junction and reports the temperature on a 2-wire serial Interface The remote junction CAN be a diode-connected Transistor like the low-cost NPN type 2N3904 or PNP type 2N3906. The remote junction CAN also be a common-collector PNP such as a substrate PNP of a Microprocessor
The MAX6680 MAX6681 include pin-programmable default temperature thresholds for the active-low OVERT output, which provides fail-safe Clock throttling or system shutdown. In addition, the devices are pin programmable to select whether the active-low OVERT output responds to either the local, remote, or both temperatures.
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 MAX6680 MAX6681 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 remote Sensor temperature CAN be represented in extended mode as 10 bits + sign with a resolution of 0.125C. When the conversion rate is 8Hz, output data is 7 bits + sign with a resolution of 1C. The MAX6680 MAX6681 also include an SMBus timeout feature to enhance system reliability.
The MAX6681 is an upgrade to the MAX6654. The MAX6680 MAX6681 remote accuracy is 1C with no calibration needed. They are available in a 16-pin QSOP package and operate throughout the -55C to +125C temperature range.
By Maxim Integrated Products
MAX6680 's PackagesMAX6680 's pdf datasheet
MAX6680MEE QSOP
MAX6680MEET QSOP
MAX6680MEE-T QSOP




MAX6680 Pinout, Pinouts
MAX6680 pinout,Pin out
This is one package pinout of MAX6680,If you need more pinouts please download MAX6680's pdf datasheet.

MAX6680 Application circuits
MAX6680 circuits
This is one application circuit of MAX6680,If you need more circuits,please download MAX6680's pdf datasheet.


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