±2.0°C analog output temperature sensor, with 19.5mV/°C gain
Product details
Parameters
Package | Pins | Size
Features
- Cost-effective alternative to thermistors
- Tight accuracy across a wide temperature range:
- ±2.5°C (maximum): –40°C to +150°C (TMP235)
- ±2.5°C (maximum): –10°C to +125°C (TMP236)
- Available in two accuracy level variants:
- A2 level: ±0.5°C (typical)
- A4 level: ±1°C (typical)
- Positive slope sensor gain, offset (typical):
- 10 mV/°C, 500 mV at 0°C (TMP235)
- 19.5 mV/°C, 400 mV at 0°C (TMP236)
- Wide operating supply voltage range:
- 2.3 V to 5.5 V (TMP235)
- 3.1 V to 5.5 V (TMP236)
- Short-circuit protected output
- Low power: 9 µA (typical)
- Strong output for driving loads up to 1000 pF
- Available package options:
- 5-pin SC70 (DCK) surface mount
- 3-pin SOT-23 (DBZ) surface mount
- Footprint compatible with industry-standard LMT8x-Q1 and LM20 temperature sensors
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Description
The TMP23x devices are a family of precision CMOS integrated-circuit linear analog temperature sensors with an output voltage proportional to temperature engineers can use in multiple analog temperature-sensing applications. These temperature sensors are more accurate than similar pin-compatible devices on the market, featuring typical accuracy from 0°C to +70°C of ±0.5°C. The increased accuracy of the series is designed for many analog temperature-sensing applications.The TMP235 device provides a positive slope output of 10 mV/°C over the full –40°C to +150°C temperature range and a supply range from 2.3 V to 5.5 V. The higher gain TMP236 sensor provides a positive slope output of 19.5 mV/°C from –10°C to +125°C and a supply range from 3.1 V to 5.5 V.
The 9-µA typical quiescent current and 800-µs typical power-on time enable effective power-cycling architectures to minimize power consumption for battery-powered devices. A class-AB output driver provides a strong 500-µA maximum output to drive capacitive loads up to 1000 pF and is designed to directly interface to analog-to-digital converter sample and hold inputs. With excellent accuracy and a strong linear output driver, the TMP23x analog output temperature sensors are cost-effective alternatives to passive thermistors.
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | TMP23x Low-Power, High-Accuracy Analog Output Temperature Sensors datasheet (Rev. E) | May 29, 2019 |
Technical articles | How to design an infrared thermometer quickly | Apr. 07, 2020 | |
Technical articles | How to choose the right thermistor for your temperature sensing application | Feb. 12, 2020 | |
Technical articles | How to enable thermal safety for automotive infotainment and cluster systems | Oct. 15, 2019 | |
Technical articles | Driving industrial innovation with small-size sensors | Sep. 12, 2019 | |
Application note | Temperature sensors: PCB guidelines for surface mount devices (Rev. A) | Jan. 18, 2019 | |
Application note | Wearable Temp-Sensing Layout Considerations Optimized for Thermal Response (Rev. B) | Oct. 23, 2018 | |
User guide | TMP23xEVM User's Guide (Rev. A) | Jun. 14, 2018 | |
White paper | Temperature sensor solutions for low-voltage systems | May 11, 2005 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
Features
- Streaming temperature measurements
- Data logging
- Secondary sensing channel for comparison
- USB plug & play
- Detachable sensor section for prototyping remote operation
Software development
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
SC70 (DCK) | 5 | View options |
SOT-23 (DBZ) | 3 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
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