DS75LXU+ by Analog Devices

Digital Thermometer and Thermostat with Extended Addressing


This low-voltage (1.7V to 3.7V) digital thermometer and thermostat provides 9, 10, 11, or 12-bit digital temperature readings over a -55°C to +125°C range with ±2°C accuracy over a -25°C to +100°C range. At power-up, the DS75LX defaults to 9-bit resolution for software compatibility with the LM75. Communication with the DS75LX is achieved through a simple 2-wire serial interface. Three tri-state address pins allow up to 27 DS75LX devices to operate on the same 2-wire bus, which greatly simplifies distributed temperature-sensing applications. The DS75LX thermostat has a dedicated open-drain output (O.S.) and programmable fault tolerance, which allow the user to define the number of consecutive error conditions that must occur before O.S. is activated. There are two thermostatic operating modes that control thermostat operation based on user-defined trip-points (TOS and THYST).

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Prices starting from US$1.77

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Features

1.7V to 3.7V Operating Range
Tri-State Address Pins Allow Up to 27 Unique Bus Addresses
Temperature Measurements Require No External Components
Measures Temperatures from -55°C to +125°C (-67°F to +257°F)
±2°C Accuracy from -25°C to +100°C
Thermometer Resolution Is User-Configurable from 9 (Default) to 12 Bits (0.5°C to 0.0625°C Resolution)
9-Bit Conversion Time is 25ms (max)
Thermostatic Settings are User-Definable
Data is Read/Written Through 2-Wire Serial Interface (SDA and SCL Pins)
Data Lines Filtered Internally for Noise Immunity (50ns Deglitch)
Bus Timeout Feature Prevents Lockup Problems on 2-Wire Interface
Multidrop Capability Simplifies Distributed Temperature-Sensing Applications
Pin/Software Compatible with the LM75
Available in 8-Pin µSOP (µMAX®) and SO Packages

Specifications

Sensor Type Local
# Channels One
Interface 2-Wire/I2C/SMBus
Accuracy (±°C) 2
Parasite Pwr. No
Temp. Thresh. Programmable
Temp. Resolution (bits) 9101112
Oper. Temp. (°C) -55 to +125
Package/Pins SOIC (N)/8UMAX/8
BudgetaryPrice (See Notes) 1.22


DS75LXU+ Sensors & Transducers by Analog Devices

DIGITAL THEMOMETER THERMOSET SMD

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

IC Output Type Voltage
Sensing Accuracy Range ± 2°C
Sensing Temperature Min -55°C
Sensing Temperature Max +125°C
Sensor Case Style µSOP
No. of Pins 8Pins
Supply Voltage Min 1.7V
Supply Voltage Max 3.7V
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Amplifier Type Thermometer & Thermostat
Base Number 75
Operating Temperature Max 125°C
Operating Temperature Range -55°C to +125°C
Output Voltage 0.6V
Resolution 12bit
Resolution (Bits) 12bit
Sensor / Transducer Type Temperature
Supply Current 1000µA
Supply Voltage Range 1.7V to 3.7V
Temperature Max 125°C
Temperature Sensing Range -55°C to +125°C
Termination Type Surface Mount Device

Alternative Descriptions

Digital Thermometer and Thermo | Analog Devices
DIGITAL THEMOMETER, THERMOSET, SMD | Farnell

Frequently Asked Questions

Where can I find additional details, specifications and documents for a DS75LXU+ ?

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Is the DS75LXU+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for DS75LXU+ have stock available?

Authorised distributors including Analog Devices, Farnell and Avnet Silica have stock available or on a lead time for DS75LXU+ .

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