MAX6698

7-Channel Precision Remote-Diode, Thermistor, and Local Temperature Monitor


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Description

The MAX6698 precision multichannel temperature sensor monitors its own temperature, the temperatures of three external diode-connected transistors, and the temperatures of three thermistors. All temperature channels have programmable alert thresholds. Channels 1, 4, 5, and 6 also have programmable overtemperature thresholds. When the measured temperature of a channel exceeds the respective threshold, a status bit is set in one of the status registers. Two open-drain outputs, active-low OVERT and active-low ALERT, assert corresponding to these bits in the status register.

The 2-wire serial interface supports the standard system management bus (SMBus™) protocols: write byte, read byte, send byte, and receive byte for reading the temperature data and programming the alarm thresholds.

The MAX6698 is specified for an operating temperature range of -40°C to +125°C and is available in 16-pin QSOP and 16-pin TSSOP packages.
MAX6698: Typical Application Circuit MAX6698: Typical Application Circuit Enlarge+

Key Features

  • Three Thermal-Diode Inputs and Three Thermistor Inputs
  • Local Temperature Sensor
  • 1°C Remote Temperature Accuracy (+60°C to +100°C)
  • Temperature Monitoring Begins at POR for Fail-Safe System Protection
  • Active-Low ALERT and Active-Low OVERT Outputs for Interrupts, Throttling, and Shutdown
  • Small 16-Pin QSOP and 16-Pin TSSOP Packages
  • 2-Wire SMBus Interface

Applications/Uses

  • Desktop Computers
  • Notebook Computers
  • Servers
  • Workstations
Part NumberSensor TypeAlarm OutputFunctionsInterfaceChannelsAccuracy
(±°C)
Parasite Pwr.Temp. Thresh.Temp. Resolution
(bits)
Oper. Temp.
(°C)
Package/PinsBudgetary
Price
See Notes
MAX6698 Remote
Alert
Overt
Multi-Channel Temperature Monitor
Thermistor-to-Digital Converter
2-Wire/I2C/SMBusSix1NoProgrammable11-40 to +125
QSOP/16
TSSOP/16
$4.04 @1k
See All Temperature Sensors (111)
Pricing 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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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