Overview
The TMP04FT9 is a precision temperature sensor IC manufactured by Analog Devices Inc. It is designed to provide accurate and reliable temperature measurements, making it suitable for various applications involving temperature monitoring and control. The sensor generates a modulated serial digital output that varies in direct proportion to the temperature of the device, ensuring high accuracy and linearity over a wide temperature range.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Temperature Error | ACCURACY | - | 1.5 | 4.0 | °C (–25°C to +100°C) |
| Temperature Linearity | - | - | 0.5 | - | °C |
| Long-Term Stability | - | - | 0.5 | - | °C (1000 Hours at 125°C) |
| Supply Voltage | VDD | 4.5 | 5 | 7 | V |
| Supply Current (Unloaded) | - | - | 1.3 | - | mA (at 5V) |
| Operating Temperature Range | TA | -40 | - | 100 | °C |
| Output High Voltage | VOH | - | V+ – 0.4 | - | V (IOH = 800 µA) |
| Output Low Voltage | VOL | - | 0.4 | - | V (IOL = 800 µA) |
| Digital Output Capacitance | COUT | - | 15 | - | pF |
| Fall Time | tHL | - | 200 | - | ns |
| Rise Time | tLH | - | 160 | - | ns |
Key Features
- CMOS/TTL Compatible Output: The digital output of the TMP04FT9 is compatible with CMOS and TTL logic, making it easy to interface with most microprocessors and digital systems.
- High Accuracy: The sensor offers high accuracy with a temperature error of ±1.5°C over the range of –25°C to +100°C.
- Low Power Consumption: It operates with minimal power consumption, making it suitable for low power and battery-powered systems.
- Wide Operating Temperature Range: The TMP04FT9 is rated for operation over a temperature range of –40°C to +100°C, with extended operation up to 150°C with reduced accuracy.
- Compact Packaging: Available in TO-92, SO-8, and TSSOP-8 surface mount packages, making it versatile for various design needs.
Applications
- Temperature Monitoring and Control: Ideal for applications requiring precise temperature monitoring and control, such as in industrial automation, medical devices, and environmental monitoring systems.
- Embedded Systems: Suitable for integration into embedded systems where accurate temperature sensing is critical.
- Low Power Devices: Perfect for battery-powered devices and other low power applications where energy efficiency is a priority.
- Aerospace and Automotive: Can be used in harsh environment applications due to its wide operating temperature range and robust design.
Q & A
- Q: What is the temperature range of the TMP04FT9?
A: The TMP04FT9 can measure temperatures within the range of –40°C to +100°C, with extended operation up to 150°C.
- Q: Is the TMP04FT9 suitable for low power applications?
A: Yes, the TMP04FT9 operates with minimal power consumption, making it ideal for low power and battery-powered systems.
- Q: What is the accuracy of the TMP04FT9?
A: The TMP04FT9 has a temperature error of ±1.5°C over the range of –25°C to +100°C.
- Q: Can the TMP04FT9 measure temperatures below freezing levels?
A: Yes, the TMP04FT9 can measure temperatures below freezing levels.
- Q: What are the common package types for the TMP04FT9?
A: The TMP04FT9 is available in TO-92, SO-8, and TSSOP-8 surface mount packages.
- Q: Is the TMP04FT9 compatible with CMOS and TTL logic?
A: Yes, the digital output of the TMP04FT9 is CMOS/TTL compatible.
- Q: What is the supply voltage range for the TMP04FT9?
A: The TMP04FT9 operates from a supply voltage range of 4.5 V to 7 V.
- Q: How much current does the TMP04FT9 consume when unloaded?
A: The TMP04FT9 consumes less than 1.3 mA when unloaded and operating at 5 V.
- Q: What is the long-term stability of the TMP04FT9?
A: The TMP04FT9 has a long-term stability of 0.5°C over 1000 hours at 125°C.
- Q: Can the TMP04FT9 be used in harsh environment applications?
A: Yes, the TMP04FT9 is suitable for use in harsh environment applications due to its wide operating temperature range and robust design.
