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MAX31865AAP+
IC RTD TO DIGITAL CONVERT 20SSOP
- Manufacturer
- Mfr. Part #MAX31865AAP+
- Package SSOP-20
- Datasheet
- In Stock7064
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Specifications
| Package | Tube |
| ProductStatus | Active |
| Function | Temp Monitoring System (Sensor) |
| SensorType | External |
| Accuracy | ±0.5°C(Max) |
| Topology | ADC (Sigma Delta), Comparator, Register Bank |
| OutputType | SPI |
| OutputAlarm | No |
| OutputFan | No |
| Voltage-Supply | 3V ~ 3.6V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 20-SSOP (0.209, 5.30mm Width) |
Overview
Description
Key features of the MAX31865 include:
1. RTD Compatibility: Supports 2-wire, 3-wire, and 4-wire RTD configurations, allowing for flexibility in various applications and enhancing measurement accuracy through wire resistance compensation.
2. Precision: Provides precise temperature readings by integrating high-accuracy ADC and low-noise performance, essential for industrial and scientific applications.
3. Fault Detection: Built-in fault detection capabilities help identify issues like open or shorted RTDs, ensuring reliable operation.
4. Ease of Use: Communicates via the SPI (Serial Peripheral Interface) protocol, which facilitates easy integration with microcontrollers and other digital devices.
5. Wide Range of Applications: Suitable for use in industrial automation, process control, HVAC systems, and any application where accurate temperature monitoring is critical.
Overall, the MAX31865AAP+ provides a robust solution for converting RTD outputs into digital temperature data, streamlining temperature measurement tasks.
Features
1. RTD Compatibility: Supports 2-wire, 3-wire, and 4-wire RTDs, making it versatile for various applications.
2. High Accuracy: Offers precise measurements with excellent linearity, suitable for PT100 and PT1000 sensors.
3. ADC Resolution: Utilizes a 15-bit delta-sigma ADC, ensuring high-resolution temperature readings.
4. Fault Detection: Equipped with fault detection circuitry to identify open and shorted RTD elements and other errors.
5. SPI Interface: Communicates via a standard SPI interface, allowing easy integration with microcontrollers and processors.
6. Adjustable Parameters: Features adjustable RTD and reference resistors, enabling customization for specific sensor types and configurations.
7. Low Power Consumption: Designed for energy efficiency, suitable for battery-operated systems.
8. Operating Temperature Range: Functions effectively within a wide temperature range, ensuring robust performance in various environments.
9. Compact Package: Available in a small, space-saving package, facilitating integration into compact designs.
These features make the MAX31865AAP+ an ideal choice for industrial, consumer, and scientific temperature sensing applications.
Package
Pinout
Here's a brief description of the pin functions:
1. VDD: Supply voltage input.
2. GND: Ground.
3. SDI (DIN): Serial Data In, used for SPI communication.
4. SDO (DOUT): Serial Data Out, used for SPI communication.
5. SCLK: Serial Clock, used for SPI communication.
6. CS: Chip Select, used to initiate SPI communication.
7. DRDY/FAULT: Data Ready/Fault Indicator.
8. RTDIN+: Positive input for the RTD.
9. RTDIN-: Negative input for the RTD.
10. REFIN+: Positive reference input.
11. REFIN-: Negative reference input.
12. REFOUT: Output for the reference voltage.
13. BIAS: Bias voltage output for the RTD.
14. AVDD: Analog supply voltage input.
15. AGND: Analog ground.
16-20. Other pins are typically used for configuration and additional functions, depending on specific applications and connections.
For detailed connections and configurations, refer to the datasheet.
Manufacturer
Application
Equivalent
1. Analog Devices AD7124-4: Offers RTD measurement with integrated ADC.
2. Texas Instruments ADS124S08: Has integrated precision ADC suitable for RTD measurement.
3. Microchip MCP3551: Provides high-resolution ADC for RTD applications.
These alternatives vary in features like resolution, interface, and additional functionalities, so selecting one depends on specific application requirements.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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