Overview
The TMP121AIDBVR is a highly accurate digital temperature sensor produced by Texas Instruments. This sensor is part of the TMP121 and TMP123 series, known for their SPI-compatible interface and high precision in temperature measurement. The TMP121AIDBVR is packaged in a tiny SOT23-6 package, making it ideal for space-constrained applications. It requires no external components for operation and is suitable for a wide range of applications, including power-supply temperature monitoring, computer peripheral thermal protection, and battery management.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT23-6 | |
| Pins | 6 | |
| Operating Temperature Range | -40 to +125 | °C |
| Accuracy (Temperature Error) | ±1.5°C from -25°C to +85°C | °C |
| Resolution | 12-Bit + Sign, 0.0625°C | |
| Supply Voltage Range | 2.7V to 5.5V | V |
| Quiescent Current | 50 µA (max) | µA |
| Conversion Time | 240 to 320 ms | ms |
| Interface | SPI-Compatible |
Key Features
- DIGITAL OUTPUT: SPI-Compatible Interface
- RESOLUTION: 12-Bit + Sign, 0.0625°C
- ACCURACY: ±1.5°C from -25°C to +85°C (max)
- LOW QUIESCENT CURRENT: 50 µA (max)
- WIDE SUPPLY RANGE: 2.7V to 5.5V
- TINY SOT23-6 PACKAGE
- OPERATION TO 150°C
Applications
- POWER-SUPPLY TEMPERATURE MONITORING
- COMPUTER PERIPHERAL THERMAL PROTECTION
- NOTEBOOK COMPUTERS
- CELL PHONES
- BATTERY MANAGEMENT
- OFFICE MACHINES
Q & A
- What is the package type of the TMP121AIDBVR? The TMP121AIDBVR is packaged in a SOT23-6 package.
- What is the operating temperature range of the TMP121AIDBVR? The operating temperature range is -40°C to +125°C.
- What is the accuracy of the TMP121AIDBVR? The accuracy is ±1.5°C from -25°C to +85°C.
- What is the resolution of the TMP121AIDBVR? The resolution is 12-Bit + Sign, 0.0625°C.
- What is the supply voltage range of the TMP121AIDBVR? The supply voltage range is 2.7V to 5.5V.
- What is the quiescent current of the TMP121AIDBVR? The quiescent current is 50 µA (max).
- What interface does the TMP121AIDBVR use? The TMP121AIDBVR uses an SPI-Compatible interface.
- What are some common applications of the TMP121AIDBVR? Common applications include power-supply temperature monitoring, computer peripheral thermal protection, notebook computers, cell phones, battery management, and office machines.
- Does the TMP121AIDBVR require any external components for operation? No, the TMP121AIDBVR does not require any external components for operation, though a 0.1µF supply bypass capacitor is recommended.
- How long does it take for the TMP121AIDBVR to complete a temperature conversion? The TMP121AIDBVR typically requires 0.25s to complete a conversion.
