| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Analog Devices, Inc. |
SENSOR DIGITAL -40C-125C SOT23-6 |
811 |
|
 |
Analog Devices, Inc. |
MAX6649 +145 DEGREE CENTIGRADE P |
2850 |
|
 |
Analog Devices, Inc. |
TEMPERATURE SENSOR |
4739 |
|
 |
Analog Devices, Inc. |
TEMP. SENSOR WITH SST INTERFACE |
8800 |
|
 |
Analog Devices, Inc. |
SERIAL DIGITAL OUTPUT THERMEMETE |
354 |
|
 |
Analog Devices, Inc. |
SENSOR ANALOG -55C-150C 8SOIC |
3056 |
|
 |
Analog Devices, Inc. |
IC TEMP TRANSDUCER 2-TERM 2FPACK |
1 |
|
 |
Analog Devices, Inc. |
SERIAL SWITCH/DIGITAL SENSOR |
72752 |
|
 |
Analog Devices, Inc. |
DUAL TEMP-CONTROLLED RESISTOR |
1056 |
|
 |
Analog Devices, Inc. |
DIGITAL THERMOMETER & THERMOSTAT |
10509 |
|
 |
Analog Devices, Inc. |
SENSOR DIGITAL -40C-85C 8SOIC |
153 |
|
 |
Analog Devices, Inc. |
ACCURATE PWM TEMPERATURE SENSOR |
10387 |
|
 |
Analog Devices, Inc. |
CURRENT OUTPUT TEMPERATURE TRANS |
4303 |
|
 |
Analog Devices, Inc. |
ANALOG RESISTANCE SENSOR |
6385 |
|
 |
Analog Devices, Inc. |
7-CHANNEL PRECISION REMOTE-DIODE |
3585 |
|
 |
Analog Devices, Inc. |
SENSOR ANALOG 0C-70C 6DFN |
0 |
|
 |
Analog Devices, Inc. |
SENSOR DIGITAL -40C-85C 8MSOP |
0 |
|
 |
Analog Devices, Inc. |
PWM OUTPUT TEMPERATURE SENSORS |
4461 |
|
 |
Analog Devices, Inc. |
SERIAL SWITCH/DIGITAL SENSOR, 10 |
580 |
|
 |
Analog Devices, Inc. |
DUAL-CH TEMPERATURE MONITOR |
613 |
|
Temperature sensors are devices that detect thermal energy and convert it into electrical signals. They are categorized into analog and digital output types based on signal transmission methods. Analog sensors produce continuous voltage/current signals, while digital sensors output discrete numerical values via communication protocols. These sensors are critical in industrial automation, healthcare, consumer electronics, and environmental monitoring, enabling precise thermal management and system reliability.
| Type | Function Features | Application Examples |
|---|---|---|
| Analog Sensors (e.g., Thermistors, RTDs) | Continuous signal output, high resolution, requires ADC conversion | Industrial process control, HVAC systems |
| Thermocouples | Wide temperature range (-200 C to 2000 C), self-powered | High-temperature furnaces, automotive exhaust monitoring |
| Digital Sensors (e.g., IC-based) | Integrated ADC, protocol interfaces (I2C/SPI), high accuracy | Smart thermostats, wearable devices |
| Infrared Sensors | Contactless measurement, detects thermal radiation | Medical thermometers, autonomous vehicle systems |
Typical temperature sensors consist of: - Sensing Element: Thermoresistive materials (e.g., platinum in RTDs) or semiconductor junctions - Signal Conditioning Circuitry: Amplifiers, ADC converters (for digital types), and linearization modules - Package: Hermetic sealing for environmental protection, TO-92 or SMD enclosures - Interface: Wires/pins for analog sensors, digital communication buses (I2C, SPI)
| Parameter | Description | Importance |
|---|---|---|
| Temperature Range | Operational limits (-50 C to +300 C typical) | Determines application suitability |
| Accuracy | 0.1 C to 5 C depending on type | Impacts measurement reliability |
| Response Time | 1ms to 10s for signal stabilization | Critical for dynamic systems |
| Resolution | 0.01 C (high-end digital) to 1 C | Defines measurement granularity |
| Output Interface | Voltage, current, I2C, UART | Dictates system integration method |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Texas Instruments | LM75B | Digital output, 2 C accuracy, I2C interface |
| STMicroelectronics | LPS22HB | MEMS-based digital sensor, 0.008 C resolution |
| TE Connectivity | NTC Thermistor NTCG | High sensitivity, automotive-grade reliability |
| Analog Devices | AD8495 | Thermocouple signal conditioner, 1mV/ C output |
Key considerations: - Required temperature range and environmental conditions - Output type compatibility with host system - Accuracy vs. cost trade-offs - Installation constraints (contact vs. non-contact) - Calibration requirements and long-term stability
Future developments focus on: - Wireless sensor networks with integrated BLE/Zigbee - AI-enhanced predictive thermal management - MEMS-based ultra-miniaturized sensors for IoT devices - Energy-harvesting self-powered sensor nodes - Multi-sensor fusion systems combining temperature with humidity/pressure