ADT75:  ±2°C Accurate, 12-Bit Digital Temperature Sensor

The ADT75 is a complete temperature monitoring system in 8-lead MSOP and SOIC packages. It contains a band gap temperature sensor and 12-bit ADC to monitor and digitize the temperature to a resolution ...More

ADT75:  ±2°C Accurate, 12-Bit Digital Temperature Sensor

Product Description

The ADT75 is a complete temperature monitoring system in 8-lead MSOP and SOIC packages. It contains a band gap temperature sensor and 12-bit ADC to monitor and digitize the temperature to a resolution of 0.0625°C. The ADT75 is pin and register compatible with the LM75 and AD7416.

The ADT75 is specified for operation at supply voltages from 3 V to 5.5 V. Operating at 3.3 V, the supply current is typically 300 μA. The ADT75 offers a shutdown mode that powers down the device and gives a shutdown current of typically 3 μA. The ADT75 is rated for operation over the –55°C to +125°C temperature range.

Three pins (A0, A1 and A2) are available for address selection. There is also an open-drain OS/ALERT output that becomes active when temperature exceeds a programmable limit. This pin can operate in either comparator or interrupt mode.

Applications

  • Isolated Sensors
  • Environmental Control Systems
  • Computer Thermal Monitoring
  • Thermal Protection
  • Industrial Process Control
  • Power-system Monitors
  • Hand Held Applications
  • Features

    • 12-bit Temperature-to-digital Converter
    • B-Grade Accuracy ±1.0°C from
      0°C to 70°C
    • A-Grade Accuracy ±2.0°C from
      –25°C to 100°C
    • SMBus-/I2C- Compatible Interface
    • Operation from −55°C to +125°C
    • Operation from 3 V to 5.5 V
    • Overtemperature Indicator
    • Shutdown Mode for Low Power Consumption
    • Power Consumption 69 μW Typically at 3.3 V
    • Small, Low Cost 8-pin MSOP in Pb-Sn and Pb-free Packages
    • Standard 8-pin SOIC Pb-free Package

    Diagrams

    ADT75 Diagram
    Functional Block Diagram for ADT75

    Specifications

    Output Type Thermostatic Switch
    Sensor Output Thermostatic Switch
    Temp Res(°C/LSB) 0.0625°C/LSB
    Supply Voltage Range +3V to +5.5V
    Temp Range(s) -55 to +125

    Explore Other Products

    Part# Temp Res(°C/LSB) 25°C Temp Error (Deg C) Resolution (Bits) # Chan DAC Outputs Interface Temp Range(s) Supply Voltage Range Product Description Price* (1000-4999)
    ADT7316 0.25 ±0.5 10 3 12-Bit x 4 I2C, I2C/SPI, Serial, SM Bus, SPI -40 to +120 +2.7V to +5.5V SPI/I2C® Compatible,10-Bit Digital Temperature Sensor With Quad Voltage-Output 12-Bit DAC $6.38
    ADT7317 0.25 ±0.5 10 3 10-Bit x 4 I2C, I2C/SPI, SM Bus, SPI -40 to +120 +2.7V to +5.5V SPI/I2C® Compatible,10-Bit Digital Temperature Sensor w/ Quad 10-Bit Voltage Output DAC $3.47
    ADT7318 0.25 +0.5 10 3 8-Bit x 4 I2C, I2C/SPI, Serial, SM Bus, SPI -40 to +120 +2.7V to +5.5V SPI/I2C® Compatible,10-Bit Digital Temperature Sensor & Quad Voltage Output 8-Bit DAC $2.20
    TMP03 0.3 ±3 16 0 --- PWM -40 to +100 +4.5V to +7V Serial PWM-Output Temperature Sensor w/ Open-Collector Output $3.23
    TMP04 0.3 ±3 16 0 --- PWM -40 to +100 +4.5V to +7V Serial PWM-Output Temperature Sensor w/ CMOS/TTL Output $3.23
    AD7814 0.25 n/a 10 0 --- Serial, SPI -55 to +125 +2.7V to +5.5V 10-Bit Digital Temperature Sensor in 6-Lead SOT-23 $0.99
    AD7414 0.25 n/a 10 0 --- I2C, Serial -40 to +125 +2.7V to +5.5V SMBus/I2C, 10-Bit Digital Temperature Sensor in 6-Pin SOT w/ SMBus Alert and Over-Temperature Pin $1.03
    AD7415 0.25 ±2 10 0 --- I2C, Serial -40 to +125 +2.7V to +5.5V SMBus/I2C, 10-Bit Digital Temperature Sensor in 5-Pin SOT $1.03
    AD7416 0.25 n/a 10 0 --- Switch (Off/On) -40 to +125 +2.7V to +5.5V 10-Bit Temperature-to-Digital Converter, -40°C to +125°C, ±2°C Accuracy $0.99
    AD7816 0.25 ±1 10 0 --- Serial, SPI, Switch (Off/On) -40 to +85 +2.7V to +5.5V 10-Bit Digital Output Temperature Sensor w/Over-Temp Alert and Auto Pwr Dwn @ End of Conversion $1.43
    AD7314 0.25 ±1 10 0 --- Serial, SPI -35 to +85 +2.65V to +5.5V Low Voltage, 10-Bit Digital Temperature Sensor in 8-Lead µSOP $0.65
    AD7818 0.25 ±1 10 1 --- Switch (Off/On) -40 to +85 +2.7V to +5.5V 9 µs, 10-Bit ADC w/ On-Chip Temperature Sensor & Over-Temperature Output $2.31
    AD7418 0.25 ±1 10 2 --- I2C, Serial, Switch (Off/On) -40 to +125 +2.7V to +5.5V 10-Bit ADC, Programmable Hi-Low Temp Limits w/ Over-Temp Alert, , Auto Pwr Dwn @ EOC $2.31
    AD7817 0.25 ±1 10 4 --- Switch (Off/On) -40 to +85 +2.7V to +5.5V 4-Channel, 9 µs, 10-Bit ADC with On-Chip Temperature Sensor & Over-Temperature Flag $3.25
    AD7417 0.25 ±1 10 5 --- I2C, Serial, Switch (Off/On) -40 to +125 +2.7V to +5.5V 4-Channel, 10-Bit ADC w/ on-Chip Temperature Sensor, Programmable Setpoints, and Overtemp Flag Out $2.95
    ADT7516 0.25 n/a 10 7 12-Bit x 4 I2C/SPI, Serial, SPI -40 to +120 +2.7V to +5.5V SPI/I2C Compatible Temperature Sensor w/10-Bit-4-Ch ADC & Quad 12-Bit Voltage DAC Control Outputs $7.65
    ADT7411 0.25 +0.5 10 11 n/a I2C, I2C/SPI, Serial, SPI -40 to +120 +2.7V to +5.5V SPI®-/I2C®-Compatible, 10-Bit ADC w/ Local & Remote Temp Msmt, 8 GP Analog Inputs, and VDD monitor $2.19
    ADT6501 0.125 ±4 11 n/a - Switch (Off/On) -55 to +125 +2.7V to +5.5V 2.7V/5.5V, Micropower Temperature Switch in SOT-23 w/ active-low open-drain Output, +35 to +115 DegC $0.49
    ADT6502 0.125 ±4 11 n/a --- Switch (Off/On) -55 to +125 +2.7V to +5.5V 2.7V/5.5 V, Micropower Temperature Switch in SOT-23 w/Active-High Push-pull Output, +35 to +115 DegC -
    ADT6503 0.0625 n/a 11 n/a --- Switch (Off/On) -55 to +125 +2.7V to +5.5V 2.7V/5.5V, Micropower Temperature Switch in SOT-23 w/Open-drain Output, -45 to +15 Deg C $0.49
    ADT6504 0.0625 n/a 12 n/a --- Switch (Off/On) -55 to +125 +2.7V to +5.5V 2.7 V to 5.5 V, Micropower Temperature Switch in SOT-23 w/Push-pull Output, -45 to +15 Deg C $0.49
    ADT7408 0.0625 ±1 12 0 --- Switch (Off/On) -20 to +125 +3V to +3.6V ± 2 Degree C Accurate, 12-Bit Digital Temperature Sensor $0.86
    ADT75 0.0625 n/a 12 0 --- Switch (Off/On) -55 to +125 +3V to +5.5V ±1 Deg C Accuracy, 12-Bit Digital Temperature Sensor $0.65
    ADT7301 0.03125 n/a 13 0 --- Serial, SPI -40 to +150 +2.7V to +5.5V 13-Bit, ±1ºC Accurate, MicroPower Digital Temperature Sensor in 6-Lead SOT-23 and 8-Lead MSOP $1.20
    ADT7302 0.03125 n/a 13 0 --- Serial, SPI -40 to +125 +2.7V to +5.25V ±2°C Accurate, MicroPower Digital Temperature Sensor in 6-Lead SOT-23 $0.62
    TMP06 0.025 ±0.5 12 0 --- PWM -40 to +150 +2.7V to +5.5V 0.5°C Accurate PWM Temperature Sensor in 5-Lead SC-70 or SOT-23 w/ Open Drain Output $0.65
    TMP01 n/a ±0.5 n/a 0 --- Analog, Switch (Off/On) -55 to +125 +4.5V to +13.2V Low Power, Programmable Temperature Sensor/ Controller w/ upper/lower setpoints $2.64
    TMP05 0.025 ±0.5 12 0 --- PWM -40 to +150 +2.7V to +5.5V 0.5°C Accurate PWM Temperature Sensor in 5-Lead SC-70 or SOT-23 w/ CMOS/TTL Output $0.65
    AD22105 n/a ±3 n/a 0 --- Switch (Off/On) -40 to +125 +2.7V to 7V Low Voltage, Resistor Programmable Thermostatic Switch $1.20
    Sorted by Temperature Resolution (Descending) and # of External ADC Input Channels (Ascending)

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    Temperature Range
    This is the acceptable operating range of the device. The various ranges specified are as follows:
    • Commercial: 0 to +70 degrees Celsius
    • Military : -55 to +125 degrees Celsius
    • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
    • Automotive: -40 to +125 degrees Celsius
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    The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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