Overview
The TMP125AIDBVTG4, produced by Texas Instruments, is a 2°C accurate digital temperature sensor that features an SPI-compatible interface. This sensor is available in the compact SOT23-6 package and requires no external components for operation. It is designed for low-power applications and offers a wide supply voltage range of 2.7V to 5.5V. The TMP125AIDBVTG4 is ideal for thermal management and thermal protection in various communication, computer, consumer, environmental, industrial, and instrumentation applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Temperature Range | −40 | +125 | °C | |
| Accuracy (−25°C to +85°C) | ±0.5 | ±2.0 | °C | |
| Accuracy (−40°C to +125°C) | ±1.0 | ±2.5 | °C | |
| Resolution | 10 Bits | |||
| Supply Voltage | 2.7 | 5.5 | V | |
| Quiescent Current (at TA = 25°C) | 36 | 50 | µA | |
| Shutdown Current | 0.1 | 1 | µA | |
| Conversion Time | 60 ms | |||
| Update Rate | 120 ms | |||
| Package Type | SOT23-6 |
Key Features
- SPI-compatible interface for easy communication.
- 10-bit resolution with 0.25°C resolution.
- Low quiescent current of 50µA (max) at 25°C.
- Wide supply voltage range from 2.7V to 5.5V.
- Compact SOT23-6 package.
- No external components required for operation.
- Hardware shutdown mode for power savings.
- Temperature data represented in signed two’s complement format.
Applications
- Base station equipment.
- Computer peripheral thermal protection.
- Notebook computers.
- Data acquisition systems.
- Telecom equipment.
- Office machines.
- Extended thermal measurement in communication, computer, consumer, environmental, industrial, and instrumentation applications.
Q & A
- What is the temperature accuracy of the TMP125AIDBVTG4? The TMP125AIDBVTG4 has a temperature accuracy of ±2.0°C from −25°C to +85°C and ±2.5°C from −40°C to +125°C.
- What is the resolution of the TMP125AIDBVTG4? The resolution is 10 bits with a 0.25°C resolution.
- What is the supply voltage range of the TMP125AIDBVTG4? The supply voltage range is from 2.7V to 5.5V.
- How much quiescent current does the TMP125AIDBVTG4 consume? The quiescent current is 50µA (max) at 25°C.
- What is the package type of the TMP125AIDBVTG4? The package type is SOT23-6.
- Does the TMP125AIDBVTG4 require external components for operation? No, it does not require external components for operation.
- How does the TMP125AIDBVTG4 communicate? It communicates through an SPI-compatible interface.
- What is the conversion time of the TMP125AIDBVTG4? The conversion time is 60 ms.
- What is the update rate of the TMP125AIDBVTG4? The update rate is 120 ms.
- How do you put the TMP125AIDBVTG4 into shutdown mode? To enter shutdown mode, SI must be high on the rising edge of the third bit of SCK.
- What is the format of the temperature data from the TMP125AIDBVTG4? The temperature data is represented in signed two’s complement format.
