Overview
The TMP125AIDBVR is a digital temperature sensor produced by Texas Instruments. It is available in a tiny SOT23-6 package and features an SPI-compatible interface. This sensor requires no external components for operation and is capable of measuring temperatures with high accuracy over a wide range. The TMP125AIDBVR operates within a temperature range of -40°C to +125°C and has a supply voltage range of 2.7V to 5.5V, making it suitable for various low-power applications. Its low quiescent current and high resolution of 0.25°C per bit contribute to its efficiency and precision in thermal measurement tasks.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Package Type | SOT-23-6 | |
| Pins | 6 | |
| Operating Temperature Range | -40 to +125 | °C |
| Supply Voltage Range | 2.7 to 5.5 | V |
| Accuracy (Temperature Error) | ±2.0°C (25°C to +85°C), ±2.5°C (-40°C to +125°C) | °C |
| Resolution | 10 bits, 0.25°C | |
| Quiescent Current | 50µA (active), 1µA (shutdown) | A |
| Interface Type | SPI-compatible | |
| Conversion Period | 120ms |
Key Features
- DIGITAL OUTPUT: SPI-Compatible Interface
- RESOLUTION: 10-Bit, 0.25°C
- ACCURACY: ±2.0°C (max) from 25°C to +85°C, ±2.5°C (max) from -40°C to +125°C
- LOW QUIESCENT CURRENT: 50µA (max), 1µA in shutdown mode
- WIDE SUPPLY RANGE: 2.7V to 5.5V
- TINY SOT23-6 PACKAGE
- OPERATION FROM -40°C to +125°C
- NO EXTERNAL COMPONENTS REQUIRED
Applications
- BASE STATION EQUIPMENT
- COMPUTER PERIPHERAL THERMAL PROTECTION
- NOTEBOOK COMPUTERS
- DATA ACQUISITION SYSTEMS
- TELECOM EQUIPMENT
- OFFICE MACHINES
- THERMAL MANAGEMENT AND THERMAL PROTECTION APPLICATIONS
Q & A
- What is the operating temperature range of the TMP125AIDBVR?
The operating temperature range is -40°C to +125°C.
- What is the supply voltage range for the TMP125AIDBVR?
The supply voltage range is 2.7V to 5.5V.
- What is the resolution of the TMP125AIDBVR temperature sensor?
The resolution is 10 bits, with a step size of 0.25°C.
- What interface does the TMP125AIDBVR use for communication?
The TMP125AIDBVR uses an SPI-compatible interface.
- How accurate is the TMP125AIDBVR in measuring temperatures?
The accuracy is ±2.0°C (max) from 25°C to +85°C and ±2.5°C (max) from -40°C to +125°C.
- What is the quiescent current of the TMP125AIDBVR?
The quiescent current is 50µA (max) in active mode and 1µA in shutdown mode.
- Does the TMP125AIDBVR require any external components for operation?
No, the TMP125AIDBVR does not require any external components for operation, though a 0.1µF supply bypass capacitor is recommended.
- What is the typical conversion period for the TMP125AIDBVR?
The typical conversion period is 120ms.
- In what package type is the TMP125AIDBVR available?
The TMP125AIDBVR is available in a SOT23-6 package.
- What are some common applications for the TMP125AIDBVR?
Common applications include base station equipment, computer peripheral thermal protection, notebook computers, data acquisition systems, telecom equipment, and office machines.
