Overview
The TMP423BIDCNRG4 is a digital temperature sensor produced by Texas Instruments. This component is designed to measure both local and remote temperatures with high accuracy. It features an 11-bit resolution for precise temperature readings and is packaged in a compact SOT-23-8 package, making it suitable for space-constrained applications. The sensor supports a wide operating voltage range of 2.7V to 5.5V and includes advanced features such as series resistance cancellation, n-factor correction, and diode fault detection.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TMP423BIDCNRG4 |
| Package Type | SOT-23-8 |
| Mounting Style | Surface Mount |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage | 2.7V to 5.5V |
| Resolution | 11-bit (Local), 12-bit (Remote) |
| Sensing Temperature - Local | -40°C to 125°C |
| Sensing Temperature - Remote | -64°C to 191°C |
| Accuracy - Local | ±1.5°C (±2.5°C) |
| Accuracy - Remote | ±1°C |
| Interface | I2C, SMBus |
| Quiescent Current | 400 μA |
| RoHS Status | ROHS3 Compliant |
Key Features
- Measures both local and remote temperatures with high accuracy.
- 11-bit resolution for precise local temperature readings and 12-bit resolution for remote temperature readings.
- Programmable temperature limits and shutdown mode for power efficiency.
- Compact SOT-23-8 package suitable for space-constrained applications.
- Wide operating voltage range (2.7V to 5.5V) for versatile use.
- Series resistance cancellation and n-factor correction for accurate remote temperature measurements.
- Diode fault detection for reliability.
- Two-wire/SMBus serial interface with multiple interface addresses.
- One-shot measurement, output switch, and programmable limit features.
Applications
The TMP423BIDCNRG4 is suitable for a variety of applications where accurate temperature monitoring is crucial. These include:
- Industrial automation and control systems.
- Medical devices requiring precise temperature monitoring.
- Aerospace and defense systems where reliability and accuracy are paramount.
- Automotive systems, particularly in engine and battery management.
- Data centers and server rooms for temperature monitoring of critical components.
Q & A
- What is the operating temperature range of the TMP423BIDCNRG4?
The operating temperature range is -40°C to 125°C.
- What is the resolution of the temperature sensor?
The local temperature resolution is 11-bit, and the remote temperature resolution is 12-bit.
- What is the supply voltage range for the TMP423BIDCNRG4?
The supply voltage range is 2.7V to 5.5V.
- Does the TMP423BIDCNRG4 support remote temperature sensing?
- What interface does the TMP423BIDCNRG4 use?
The TMP423BIDCNRG4 uses an I2C and SMBus serial interface.
- Is the TMP423BIDCNRG4 RoHS compliant?
- What are the key features of the TMP423BIDCNRG4?
- What is the typical quiescent current of the TMP423BIDCNRG4?
The typical quiescent current is 400 μA.
- Does the TMP423BIDCNRG4 have diode fault detection?
- What is the package type of the TMP423BIDCNRG4?
The package type is SOT-23-8.
