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ANALOG DEVICES MAX6642ATT94+T

Temperature Sensor IC, 2-Ch, Digital, ± 1°C, -40 °C, 125 °C, TDFN, 6 Pins

ANALOG DEVICES MAX6642ATT94+T
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Manufacturer Part No:
MAX6642ATT94+T
Order Code:
2799245RL
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Technical Datasheet:
MAX6642ATT94+T   Datasheet
ECAD / MCAD
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Product Overview

The MAX6642ATT94+T is a ±1°C, SMBus compatible remote/local temperature sensor with overtemperature alarm in 6 pin TDFN package. This precise, two channel digital temperature sensor accurately measures temperature of its own die and remote PN junction and reports temperature data over 2-wire serial interface. The remote PN junction is typically a substrate PNP transistor on die of CPU, ASIC, GPU or FPGA. The 2-wire serial interface accepts standard system management bus (SMBus), write byte, read byte, send byte and receive byte commands to read temperature data and to program alarm thresholds. To enhance system reliability, the MAX6642 includes SMBus timeout. The temperature data format is 10bit with LSB corresponding to 0.25°C. The active-low ALERT output asserts when local or remote overtemperature thresholds are violated. The MAX6642 operates from -40°C to +125°C and measures remote temperatures between 0°C and +150°C.
  • Supply voltage range from 3V to 5.5V, operating temperature range from -40°C to +85°C
  • Integrated temperature sensor enables simultaneous dual temperature (remote and local) measurements
  • Local temperature error of ±2°C at TA = 60°C to 100°C and ±3°C at TA = 0°C to +125°C (VCC = 3.3V)
  • 10bit, 0.25°C temperature resolution
  • Dual zone monitoring automates over temperature alarms
  • Programmable remote/local temperature thresholds
  • Low thermal mass reduces measurement latency, SMBus/I2C address hardwired
  • ±0.2°C/V supply sensitivity of temperature error
  • Standby supply current of 3μA and operating current of 0.5mA

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
Digital

:
± 1°C

:
-40°C

:
125°C

:
TDFN

:
6Pins

:
3V

:
5.5V

:
-

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Technical Documents (1)

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