Overview
The TMP235A4DBZR is a precision analog output temperature sensor from Texas Instruments, designed to provide highly accurate and cost-effective temperature measurement solutions. It is part of the TMP23x family of precision CMOS integrated-circuit linear analog temperature sensors. The TMP235 device offers a positive slope output of 10 mV/°C over a wide temperature range of –40°C to +150°C and operates with a supply voltage range from 2.3 V to 5.5 V, making it ideal for various analog temperature-sensing applications, including battery-powered devices and low-power consumption requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | –40°C to +150°C | °C |
| Supply Voltage Range | 2.3 V to 5.5 V | V |
| Temperature Coefficient (Sensor Gain) | 10 mV/°C | mV/°C |
| Output Voltage Offset at 0°C | 500 mV | mV |
| Typical Quiescent Current | 9 µA | µA |
| Maximum Output Current | 500 µA | µA |
| Output Load Capability | Up to 1000 pF | pF |
| Package Type | 3-pin SOT-23 (DBZ) surface mount | |
| Temperature Accuracy (Maximum) | ±2.5°C | °C |
Key Features
- Cost-effective alternative to thermistors
- Tight accuracy across a wide temperature range: ±2.5°C (maximum) from –40°C to +150°C
- Positive slope sensor gain: 10 mV/°C with 500 mV at 0°C
- Wide operating supply voltage range: 2.3 V to 5.5 V
- Low power consumption: 9 µA (typical)
- Strong output driver capable of driving loads up to 1000 pF
- Short-circuit protected output
- Footprint compatible with industry-standard LMT8x-Q1 and LM20 temperature sensors
Applications
- Grid infrastructure
- Wireless and telecom infrastructure
- Automotive infotainment
- Factory automation and control
- Test and measurement
Q & A
- What is the operating temperature range of the TMP235A4DBZR?
The operating temperature range is –40°C to +150°C.
- What is the supply voltage range for the TMP235A4DBZR?
The supply voltage range is 2.3 V to 5.5 V.
- What is the temperature coefficient (sensor gain) of the TMP235A4DBZR?
The temperature coefficient is 10 mV/°C.
- What is the output voltage offset at 0°C for the TMP235A4DBZR?
The output voltage offset at 0°C is 500 mV.
- How much current does the TMP235A4DBZR typically consume?
The typical quiescent current is 9 µA.
- What is the maximum output current of the TMP235A4DBZR?
The maximum output current is 500 µA.
- What type of loads can the TMP235A4DBZR drive?
The TMP235A4DBZR can drive capacitive loads up to 1000 pF.
- Is the output of the TMP235A4DBZR short-circuit protected?
- In what package is the TMP235A4DBZR available?
The TMP235A4DBZR is available in a 3-pin SOT-23 (DBZ) surface mount package.
- What is the typical temperature accuracy of the TMP235A4DBZR?
The typical temperature accuracy is ±2.5°C (maximum) from –40°C to +150°C.
