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MAX6648 - Precision SMBus-Compatible Remote/Local Temperature Sensors

Description

The MAX6648/MAX6692 are precise, two-channel digital temperature sensors.

They accurately measure the temperature of their own die and a remote PN junction, and report the temperature in digital form using a 2-wire serial interface.

Features

  • o Dual Channel: Measures Remote and Local Temperature o 0.125°C Resolution o High Accuracy: ±0.8°C (max) from +25°C to +125°C (Remote), and ±2°C (max) from +60°C to +100°C (Local) o Two Alarm Outputs: ALERT and OVERT o Two Default OVERT Thresholds Available MAX6648: +110°C MAX6692: +85°C o Programmable Conversion Rate o SMBus-Compatible Interface o SMBus Timeout o Programmable Under/Overtemperature Alarm Thresholds MAX6648/MAX6692 Ordering Information PART TEMP RANGE.

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Datasheet preview – MAX6648

Datasheet Details

Part number MAX6648
Manufacturer Maxim
File Size 191.03 KB
Description Precision SMBus-Compatible Remote/Local Temperature Sensors
Datasheet download datasheet MAX6648 Datasheet
Additional preview pages of the MAX6648 datasheet.

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Full PDF Text Transcription

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19-2545; Rev 1; 10/02 Precision SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms General Description The MAX6648/MAX6692 are precise, two-channel digital temperature sensors. They accurately measure the temperature of their own die and a remote PN junction, and report the temperature in digital form using a 2-wire serial interface. The remote PN junction is typically the emitter-base junction of a common-collector PNP on a CPU, FPGA, or ASIC. The 2-wire serial interface accepts standard System Management Bus (SMBus)™ write byte, read byte, send byte, and receive byte commands to read the temperature data and to program the alarm thresholds. To enhance system reliability, the MAX6648/MAX6692 include an SMBus timeout.
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