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DS1621S reference image
Reference image 8

DS1621S

digital thermometer and thermostat with 2-wire interface and nonvolatile trip-point registers

Series
DS1621
Package
8-pin SOIC, 150 mil
Temperature
-55°C to +125°C sensing range
Specifications

Key details

Part NumberDS1621S
ManufacturerAnalog Devices (Maxim Integrated)
CategoryDigital Temperature Sensor
Lifecycle StatusProduction
SeriesDS1621
Package / Case8-pin SOIC, 150 mil
Pin Count8
Operating Temperature-55°C to +125°C sensing range
Last Verified2026-07-20
Overview

Part information

DS1621S Overview

DS1621S is a Analog Devices (Maxim Integrated) digital thermometer and thermostat with 2-wire interface and nonvolatile trip-point registers supplied in 8-pin SOIC, 150 mil. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.

Key Technical Specifications

Resolution 9 bit
Accuracy ±0.5°C from 0°C to +70°C
Supply Voltage 2.7 V to 5.5 V
Interface 2-wire serial
Thermostat Output Standalone programmable output

Package and Ordering Notes

The listed package is 8-pin SOIC, 150 mil with 8 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. The part or family is listed by Analog Devices (Maxim Integrated) as Production at the verification date.

Sourcing Guidance

Confirm current factory lead time, packing format and revision for DS1621S before placing the order.

For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.

Manufacturer Documentation

Technical values were checked against Analog Devices (Maxim Integrated) documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.

Sourcing notes

Lifecycle and sourcing review

Production

Lifecycle information is shown for reference. Confirm current manufacturer documentation, availability and technical suitability before purchase.

Confirm current factory lead time, packing format and revision for DS1621S before placing the order.