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MAX31865AAP+T
+NomenclatureIC RTD TO DIGITAL CONVERT 20SSOP
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #MAX31865AAP+T
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Package SSOP-20
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En stock2246
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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) |
Présentation
Description
Key features of the MAX31865 include a simple 4-wire SPI interface for communication with microcontrollers, integrated fault detection for wiring errors such as open and short circuits, and adjustable filters to manage noise. It operates over a wide temperature range and supports both 2, 3, and 4-wire configurations, offering flexibility in various applications.
The device is packaged in a compact TQFN or TSSOP form factor, making it suitable for space-constrained applications. Its low power consumption and built-in voltage reference enhance efficiency and accuracy. This makes the MAX31865 ideal for industrial, scientific, and consumer applications where precise temperature monitoring is critical.
Equivalent
Features
The device includes configurable fault detection circuitry, which alerts users to issues such as short circuits, open circuits, and overvoltage conditions. Additionally, the MAX31865 offers a simple SPI (Serial Peripheral Interface) for easy integration with microcontrollers and digital systems. Its operating voltage ranges from 3.0V to 3.6V, allowing compatibility with a wide range of devices.
The integrated low-noise amplifier and programmable current sources further contribute to its high precision and low error rates. These features make the MAX31865 a reliable and versatile choice for industrial, consumer, and environmental temperature monitoring applications.
Pinout
1. VDD: Supply voltage input.
2. GND: Ground connection.
3. SDI: Serial data input for SPI communication.
4. SDO: Serial data output for SPI communication.
5. SCLK: Serial clock input for SPI communication.
6. CS: Chip select for SPI communication.
7. RTDIN+: Positive RTD input.
8. RTDIN-: Negative RTD input.
9. REFIN+: Positive reference resistor input.
10. REFIN-: Negative reference resistor input.
11. FILT: Filter connection for noise reduction.
12. DRDY: Data ready output.
13. FAULT: Fault detection output.
14. DNC: Do not connect; reserved for internal use.
15. A0, A1: Address inputs for configuring device setup.
Be sure to consult the official datasheet for precise specifications and detailed information, as the pin configuration and functions may vary slightly based on the manufacturer’s implementation.