Overview
The TMP123AIDBVR is a highly accurate digital temperature sensor produced by Texas Instruments. This sensor is part of the TMP123 series and is known for its precision and low power consumption. It is designed to operate within a wide temperature range and is suitable for various thermal management and protection applications. The TMP123AIDBVR communicates through an SPI-compatible serial interface and provides a 12-bit plus sign digital output with a resolution of 0.0625°C. It requires no external components for operation, making it a compact and efficient solution for temperature sensing needs.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Temperature Range | -40 | +125 | °C | |
| Accuracy (temperature error) | ±0.5 | ±1.5 | °C (from -25°C to +85°C) | |
| Resolution | 0.0625 | °C | ||
| Supply Voltage | 2.7 | 5.5 | V | |
| Quiescent Current | 50 | µA | ||
| Shutdown Current | 1 | µA | ||
| Conversion Time | 320 | ms | ||
| Package Type | SOT23-6 |
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: Compact and space-efficient design
- OPERATION TO 150°C: Extended operating temperature range
- NO EXTERNAL COMPONENTS REQUIRED: Simplifies design and reduces component count
Applications
- POWER-SUPPLY TEMPERATURE MONITORING: Ideal for monitoring temperatures in power supply units.
- COMPUTER PERIPHERAL THERMAL PROTECTION: Used in thermal protection systems for computer peripherals.
- NOTEBOOK COMPUTERS: Suitable for temperature monitoring in notebook computers.
- CELL PHONES: Used in mobile devices for temperature monitoring.
- BATTERY MANAGEMENT: Helps in managing battery health by monitoring temperature.
- OFFICE MACHINES: Applied in various office equipment for thermal management.
Q & A
- What is the temperature accuracy of the TMP123AIDBVR?
The TMP123AIDBVR has a temperature accuracy of ±1.5°C from -25°C to +85°C.
- What is the resolution of the TMP123AIDBVR?
The resolution is 12-bit plus sign, with 0.0625°C precision.
- What is the supply voltage range for the TMP123AIDBVR?
The supply voltage range is from 2.7V to 5.5V.
- What is the quiescent current of the TMP123AIDBVR?
The quiescent current is up to 50 µA.
- What is the package type of the TMP123AIDBVR?
The package type is SOT23-6.
- Does the TMP123AIDBVR require any external components?
No, it does not require any external components for operation.
- What is the operating temperature range of the TMP123AIDBVR?
The operating temperature range is from -55°C to +150°C.
- How does the TMP123AIDBVR communicate?
The TMP123AIDBVR communicates through an SPI-compatible serial interface.
- What is the conversion time for the TMP123AIDBVR?
The conversion time is typically up to 320 ms.
- What are some common applications of the TMP123AIDBVR?
Common applications include power-supply temperature monitoring, computer peripheral thermal protection, notebook computers, cell phones, battery management, and office machines.
