Overview
The TMP100NA/250, produced by Texas Instruments, is a digital temperature sensor designed for a wide range of applications. It features a 2-wire, I2C, and SMBus interface, making it highly versatile for various thermal management and protection needs. The device is packaged in a 6-pin SOT-23 package, which is compact and suitable for space-constrained designs. The TMP100 is ideal for replacing negative temperature coefficient (NTC) and positive temperature coefficient (PTC) thermistors, offering high accuracy and linearity without the need for calibration or external signal conditioning.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Interface | I2C, SMBus, Two-Wire | - |
| Resolution | 9 to 12 bits (user-selectable) | - |
| Accuracy | ±1°C (typical), ±2°C (maximum) | °C |
| Operating Temperature Range | –55°C to 125°C | °C |
| Supply Voltage Range | 2.7 V to 5.5 V | V |
| Quiescent Current | 45 µA (active), 0.1 µA (standby) | µA |
| Package Type | 6-Pin SOT-23 | - |
| Address Pins | Two address pins | - |
Key Features
- High Accuracy: Offers a typical accuracy of ±1°C and a maximum accuracy of ±2°C over the operating temperature range without requiring calibration or external signal conditioning.
- Low Power Consumption: Features a low quiescent current of 45 µA in active mode and 0.1 µA in standby mode.
- Wide Supply Range: Operates over a supply voltage range of 2.7 V to 5.5 V.
- Multi-Device Capability: Allows up to eight devices on one bus, making it suitable for complex systems.
- Compact Package: Available in a 6-pin SOT-23 package, which is ideal for space-constrained applications.
Applications
- Communication and Computer Systems: Ideal for thermal management in communication devices, computer peripherals, and notebook computers.
- Consumer Electronics: Used in cell phones, battery management systems, and other consumer electronic devices.
- Industrial and Instrumentation: Suitable for environmental monitoring, HVAC systems, and industrial automation.
- Office Machines and Electromechanical Devices: Applied in office machines and electromechanical devices for temperature monitoring and control.
Q & A
- What is the operating temperature range of the TMP100NA/250?
The TMP100NA/250 operates over a temperature range of –55°C to 125°C.
- What interfaces does the TMP100NA/250 support?
The TMP100NA/250 supports I2C, SMBus, and Two-Wire interfaces.
- What is the resolution of the TMP100NA/250 temperature sensor?
The resolution is user-selectable from 9 to 12 bits).
- How accurate is the TMP100NA/250 temperature sensor?
The typical accuracy is ±1°C, and the maximum accuracy is ±2°C over the operating temperature range).
- What is the quiescent current of the TMP100NA/250?
The quiescent current is 45 µA in active mode and 0.1 µA in standby mode).
- What is the supply voltage range for the TMP100NA/250?
The supply voltage range is 2.7 V to 5.5 V).
- How many devices can be connected on one bus?
Up to eight devices can be connected on one bus).
- What package type is the TMP100NA/250 available in?
The TMP100NA/250 is available in a 6-pin SOT-23 package).
- What are some common applications of the TMP100NA/250?
Common applications include communication and computer systems, consumer electronics, industrial and instrumentation, and office machines).
- Does the TMP100NA/250 require calibration or external signal conditioning?
No, the TMP100NA/250 does not require calibration or external signal conditioning).
