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TMP235AQDBZRQ1

Automotive Grade ±1.5°C 2.3V to 5.5V analog output temperature sensor with +10 mV/°C gain

Manufacturer: Texas Instruments, Inc
Mfr.Part #: TMP235AQDBZRQ1
Datasheet: TMP235AQDBZRQ1 Datasheet (PDF)
Series: Automotive, AEC-Q100
Sensor Type: Analog, Local
Sensing Temperature - Local: -40°C ~ 150°C
Output Type: Analog Voltage
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TMP235AQDBZRQ1 General Description

The TMP23x -Q1 devices are a family of automotive grade precision CMOS integrated-circuit linear analog temperature sensors with an output voltage proportional to temperature , serving various automotive applications from powertrain to infotainment. These temperature sensors have a typical accuracy from 0°C to +70°C of ±0.5°C. The TMP235 -Q1 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 -Q1 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 -Q1 analog output temperature sensors are cost-effective alternatives to passive thermistors.

Key Features

AEC-Q100 qualified for automotive applications
- TMP235-Q1 grade 0: –40°C to +150°C
- TMP236-Q1 grade 1: –40°C to +125°C
Functional Safety-Capable
- Documentation available to aid functional safety system design
Tight accuracy across a wide temperature range:
- ±2.5°C (maximum): –40°C to +150°C (TMP235 -Q1)
- ±2.5°C (maximum): –10°C to +125°C (TMP236 -Q1)
Positive slope sensor gain, offset (typical):
- 10 mV/°C, 500 mV at 0°C (TMP235 -Q1)
- 19.5 mV/°C, 400 mV at 0°C (TMP236 -Q1)
Wide operating supply voltage range:
- 2.3 V to 5.5 V (TMP235 -Q1)
- 3.1 V to 5.5 V (TMP236 -Q1)
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, LM50-Q1, and LM20 temperature sensors
Cost-effective alternative to thermistors

Specifications

Category	Sensors, TransducersTemperature SensorsAnalog and Digital Output	Series	Automotive, AEC-Q100
Sensor Type	Analog, Local	Sensing Temperature - Local	-40°C ~ 150°C
Sensing Temperature - Remote	-	Output Type	Analog Voltage
Voltage - Supply	2.3V ~ 5.5V	Resolution	10mV/°C
Features	-	Accuracy - Highest (Lowest)	±2.5°C
Test Condition	-40°C ~ 150°C	Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount	Base Product Number	TMP235