DS1775R2+T&R by Analog Devices

Digital Thermometer and Thermostat in SOT23

Status: Active
Series: DS1775, DS1775R
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The DS1775 digital thermometer and thermostat provides temperature readings that indicate the device’s temperature. Thermostat settings and temperature readings are all communicated to/from the DS1775 over a simple 2-wire serial interface. No additional components are required; the device is truly a “temperature-to-digital” converter. For applications that require greater temperature resolution, the user can adjust the readout resolution from 9 to 12 bits. This is particularly useful in applications where thermal runaway conditions must be detected quickly. The open-drain thermal alarm output, O.S., becomes active when the temperature of the device exceeds a user-defined temperature TOS. The number of consecutive faults required to set O.S. active is configurable by the user. The device can also be configured in the interrupt or comparator mode, to customize the method which clears the fault condition. As a digital thermometer, the DS1775 is software compatible with the DS75 2-wire thermal watchdog. The DS1775 is assembled in a compact 5-pin SOT23 package, allowing for low-cost thermal monitoring/control in spaceconstrained applications. The low thermal mass allows for time constants previously only possible with thermistors.

Where to Buy

Prices starting from US$0.42

Distributor Stock
Logo for Farnell
Farnell
from US$1.58
477
in stock
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Logo for Analog Devices
Analog Devices
from US$2.11
9,098
in stock
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Logo for element14
element14
from US$1.77
477
in stock
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Logo for Newark Electronics
Newark Electronics
from US$0.42
50
in stock
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Features

Temperature Measurements Require No External Components
Measures Temperatures from -55°C to +125°C (-67°F to +257°F)
±2.0°C Thermometer Accuracy
Thermometer Resolution is Configurable from 9 Bits to 12 Bits (0.5°C to 0.0625°C Resolution)
User-Definable Thermostat Settings
Data is Read From/Written to Through a 2-Wire Serial Interface
2.7V to 5.5V Wide Power-Supply Range
Software Compatible with DS75 2-Wire Thermal Watchdog in Thermometer Mode
Space-Conscious 5-Pin SOT23 Package with Low Thermal Time Constant

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 SOT23/5
BudgetaryPrice (See Notes) 1.13


DS1775R2+T&R Sensors & Transducers by Analog Devices

TEMPERATURE SENSOR 2DEG C SOT-23-5

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

Specifications

IC Output Type Digital
Sensing Accuracy Range ± 2°C
Sensing Temperature Min -55°C
Sensing Temperature Max 125°C
Sensor Case Style SOT-23
No. of Pins 5Pins
Supply Voltage Min 2.7V
Supply Voltage Max 5.5V
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Tiny Digital Thermometer and T | Analog Devices
TEMPERATURE SENSOR, 2DEG C, SOT-23-5 | element14
Temperature Sensor, 2Deg C, Sot-23-5 | Newark Electronics

Frequently Asked Questions

Where can I find additional details, specifications and documents for a DS1775R2+T&R ?

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Is the DS1775R2+T&R RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for DS1775R2+T&R have stock available?

Authorised distributors including Analog Devices, element14, Farnell and Newark Electronics have stock available or on a lead time for DS1775R2+T&R .

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