Overview
The TMP235A2DBZR is a precision CMOS integrated-circuit linear analog temperature sensor produced by Texas Instruments. This device is part of the TMP23x family, known for its high accuracy and wide operating temperature range. The TMP235A2DBZR provides a positive slope output of 10 mV/°C over the full –40°C to +150°C temperature range, making it suitable for various analog temperature-sensing applications. It is a cost-effective alternative to thermistors and offers tight accuracy across its operating range, with a typical accuracy of ±0.5°C from 0°C to +70°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Temperature Range | –40°C to +150°C | °C |
| Temperature Accuracy (Typical) | ±0.5°C (0°C to +70°C) | °C |
| Temperature Accuracy (Maximum) | ±2.5°C (–40°C to +150°C) | °C |
| Sensor Gain | 10 mV/°C | mV/°C |
| Output Voltage Offset at 0°C | 500 mV | mV |
| Supply Voltage Range | 2.3 V to 5.5 V | V |
| Operating Current (Typical) | 9 µA | µA |
| Output Current (Maximum) | 500 µA | µA |
| Output Load Capacitance | Up to 1000 pF | pF |
| Package Options | 5-pin SC70 (DCK), 3-pin SOT-23 (DBZ) |
Key Features
- Tight Accuracy: ±2.5°C maximum accuracy across –40°C to +150°C temperature range.
- Positive Slope Output: 10 mV/°C output gain with a 500 mV offset at 0°C.
- Wide Supply Voltage Range: Operates from 2.3 V to 5.5 V.
- Low Power Consumption: Typical operating current of 9 µA.
- Short-Circuit Protected Output: Ensures robustness against short-circuit conditions.
- Strong Output Driver: Capable of driving loads up to 1000 pF.
- Footprint Compatibility: Compatible with industry-standard LMT8x-Q1, LM50-Q1, and LM20 temperature sensors.
- AEC-Q100 Qualified: Suitable for automotive applications, ensuring reliability and performance.
Applications
- Automotive Systems: Head units, electric power steering (EPS), shifter systems, battery management systems (BMS), and gasoline engines.
- Grid Infrastructure: Monitoring and control in grid-related applications.
- Wireless and Telecom Infrastructure: Temperature sensing in communication equipment.
- Factory Automation and Control: Temperature monitoring in industrial automation.
- Test and Measurement: Precision temperature measurement in various test and measurement applications.
Q & A
- What is the temperature range of the TMP235A2DBZR?
The TMP235A2DBZR operates over a temperature range of –40°C to +150°C.
- What is the typical accuracy of the TMP235A2DBZR?
The typical accuracy is ±0.5°C from 0°C to +70°C.
- What is the sensor gain of the TMP235A2DBZR?
The sensor gain is 10 mV/°C.
- What is the output voltage offset at 0°C for the TMP235A2DBZR?
The output voltage offset at 0°C is 500 mV.
- What is the supply voltage range for the TMP235A2DBZR?
The supply voltage range is from 2.3 V to 5.5 V.
- What is the typical operating current of the TMP235A2DBZR?
The typical operating current is 9 µA.
- Is the TMP235A2DBZR short-circuit protected?
- What is the maximum output current of the TMP235A2DBZR?
The maximum output current is 500 µA.
- What are the package options for the TMP235A2DBZR?
The package options include 5-pin SC70 (DCK) and 3-pin SOT-23 (DBZ).
- Is the TMP235A2DBZR AEC-Q100 qualified?
