The TMP421 is a remote and local temperature sensor from Texas Instruments, designed for applications requiring precise temperature monitoring. It features a remote diode sensor with an accuracy of ¬±1¬8C and a local temperature sensor with a maximum accuracy of ¬±1.5¬8C. The device operates over a temperature range of -40¬8C to +125¬8C and supports a two-wire SMBus serial interface for easy integration into systems. The TMP421 is available in a compact SOT23-8 package, making it suitable for space-constrained applications. It includes features such as series resistance cancellation and n-factor correction, enhancing measurement accuracy. The sensor is compliant with RoHS standards and is designed to detect diode faults, ensuring reliable operation in various environments. Engineers looking for a reliable temperature sensing solution with minimal calibration requirements may find the TMP421 a suitable choice for their projects.
+/-1degC Remote and Local Temperature Sensor in SOT23-8 & WCSP 8-SOT-23 -40 to 125
Manufacturer: Texas Instruments
Win Source Part Number: 033255-TMP421AIDCNT
Packaging: Reel - TR
Features: One-Shot, Output Switch, Programmable Limit, Shutdown Mode
Mounting: SMD (SMT)
Output Type: SMBus
Resolution: 11 b
Sensor Type: Digital, Local/Remote
Sensing Temperature - Local: -40°C to 125°C
Sensing Temperature - Remote: -64°C to 191°C
Accuracy - Highest (Lowest): ±1.5°C (±2.5°C)
Categories: Sensors, Transducers
Status: Active
Temperature Range - Operating: -40°C to 125°C
Case / Package: SOT-23-8
Supply Voltage - Operating: 2.7 V to 5.5 V
Testing Conditions: 15°C to 85°C (-40°C to 125°C)
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 41 pct.
Supply and Demand Status: Limited
Application Field: Used in Sensing & Instrumentation, Computers & Computer Peripherals, Communications & Networking
Temperature Sensor Digital, Local/Remote -40°C ~ 125°C 11 b SOT-23-8
Temperature Sensor Digital, Local/Remote -40°C ~ 125°C 11 b SOT-23-8
Temperature Sensor Digital, Local/Remote -40°C ~ 125°C 11 b SOT-23-8
SENSOR DIGITAL -40C-125C SOT23-8
SENSOR DIGITAL -40C-125C SOT23-8
IC, TEMP SNSR REMOT/LOCAL SOT23-8; IC Output Type:Digital; Sensing Accuracy Range:± 1°C; Sensing Temperature Min:-40°C; Sensing Temperature Max:+125°C; Sensor Case Style:SOT-23; No. of Pins:8Pins; Supply Voltage Min:2.7V; Supply RoHS Compliant: Yes
| Texas Instruments | Win Source Electronics | DigiKey | ODG (Origin Data Global) | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|
| Product Category | Sensor Chips | Sensor Chips | Sensor Chips | Sensor Chips | Sensor Chips | Sensor Chips |
| Product Number | TMP421AIDCNT | 033255-TMP421AIDCNT | 296-21990-1-ND | TMP421AIDCNT | TMP421AIDCNT | 28AH5632 |
| Product Name | TMP421 +/-1degC Remote and Local Temperature Sensor in SOT23-8 & WCSP | Temperature Sensors - Temperature Sensors - Analog and Digital Output - TMP421AIDCNT | Analog and Digital Output | Analog and Digital Output | Sensors, Transducers - Temperature Sensors - Analog and Digital Output | Ic, Temp Snsr Remot/local Sot23-8; Ic Output Type Texas Instruments |
| Sensor Type | Temperature | Temperature | Temperature | Temperature | Temperature |