
DS1621S
digital thermometer and thermostat with 2-wire interface and nonvolatile trip-point registers
Key details
| Part Number | DS1621S |
|---|---|
| Manufacturer | Analog Devices (Maxim Integrated) |
| Category | Digital Temperature Sensor |
| Lifecycle Status | Production |
| Series | DS1621 |
| Package / Case | 8-pin SOIC, 150 mil |
| Pin Count | 8 |
| Operating Temperature | -55°C to +125°C sensing range |
| Last Verified | 2026-07-20 |
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.
Lifecycle and sourcing review
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.