Overview
The TMP100NA/3K, produced by Texas Instruments, is a digital temperature sensor designed to replace traditional negative temperature coefficient (NTC) and positive temperature coefficient (PTC) thermistors. This device offers high accuracy and linearity without the need for calibration or external signal conditioning. It features an on-chip 12-bit ADC, providing temperature resolutions down to 0.0625°C. The TMP100NA/3K is packaged in a 6-pin SOT-23 package and is compatible with SMBus, Two-Wire, and I2C interfaces, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Interface | SMBus™, Two-Wire, and I2C |
| Resolution | 9 to 12 Bits, User-Selectable |
| Accuracy | ±1°C (Typical) from –55°C to 125°C, ±2°C (Maximum) from –55°C to 125°C |
| Quiescent Current | 45-µA, 0.1-µA Standby |
| Supply Range | 2.7 V to 5.5 V |
| Package | 6-Pin SOT-23 |
| Operating Temperature Range | –55°C to 125°C |
| Address Pins | Two Address Pins (TMP100) |
Key Features
- Digital Output: SMBus™, Two-Wire, and I2C Interface Compatibility
- User-Selectable Resolution: 9 to 12 Bits
- High Accuracy: ±1°C (Typical) and ±2°C (Maximum) from –55°C to 125°C
- Low Quiescent Current: 45-µA, 0.1-µA Standby
- Wide Supply Range: 2.7 V to 5.5 V
- High Linearity: No complex calculations or look-up tables required
- Compact Package: 6-Pin SOT-23
Applications
The TMP100NA/3K is ideal for extended temperature measurement in various fields, including communication, computer, consumer, environmental, industrial, and instrumentation applications. Its versatility and accuracy make it suitable for a wide range of uses where precise temperature monitoring is critical.
Q & A
- What is the TMP100NA/3K used for? The TMP100NA/3K is a digital temperature sensor used to replace traditional thermistors in various applications.
- What is the accuracy of the TMP100NA/3K? The device has a typical accuracy of ±1°C and a maximum accuracy of ±2°C from –55°C to 125°C.
- What interfaces does the TMP100NA/3K support? It supports SMBus™, Two-Wire, and I2C interfaces.
- What is the resolution of the TMP100NA/3K? The resolution is user-selectable from 9 to 12 bits.
- What is the quiescent current of the TMP100NA/3K? The quiescent current is 45-µA, with a standby current of 0.1-µA.
- What is the supply voltage range for the TMP100NA/3K? The supply voltage range is 2.7 V to 5.5 V.
- In what package is the TMP100NA/3K available? It is available in a 6-pin SOT-23 package.
- How many devices can be connected on one bus for the TMP100? Up to eight devices can be connected on one bus for the TMP100.
- Does the TMP100NA/3K require calibration or external signal conditioning? No, it does not require calibration or external signal conditioning.
- What is the operating temperature range of the TMP100NA/3K? The operating temperature range is –55°C to 125°C.
