MAX31889ALT+

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MAX31889ALT+

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SENSOR DGTL -40C - 125C 6UDFN

  • Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp

  • Ông. Phần #MAX31889ALT+

  • Bảng dữ liệu MAX31889ALT+ DataSheet

  • Có sẵn28453

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Thông số kỹ thuật

thuộc tính Giá trị
PartStatus Active
SensorType Digital, Local
SensingTemperature-Local -40°C ~ 125°C
OutputType I2C
Voltage-Supply 1.7V ~ 3.6V
Resolution 16 b
Accuracy-Highest(Lowest) ±0.45°C (±0.9°C)
TestCondition -20°C ~ 105°C (-40°C ~ 125°C)
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 6-WDFN
SupplierDevicePackage 6-µDFN (2x2)
BaseProductNumber MAX31889

Tổng quan

Description

The MAX31889ALT+ is a high-precision digital temperature sensor designed by Maxim Integrated. It leverages an I2C-compatible interface for easy integration with microcontrollers and other digital systems. The sensor is known for its accuracy, providing temperature measurements with a precision of ±0.25°C over the temperature range of -20°C to +85°C and ±0.65°C over the full range of -40°C to +125°C. This makes it suitable for applications requiring precise thermal monitoring, such as in medical devices, industrial systems, and consumer electronics.
The MAX31889ALT+ features low power consumption, which is critical for battery-operated devices. It operates with a supply voltage range of 1.7V to 3.6V and has a low standby current, making it efficient for use in low-power applications. The sensor also includes a temperature alarm/interrupt function, which can trigger an alert when the temperature crosses user-defined thresholds. This feature enhances its utility in safety-critical applications where real-time temperature monitoring is crucial. Overall, the MAX31889ALT+ combines precision, low power, and ease of integration, making it a versatile choice for various temperature-sensing applications.

Equivalent

Equivalent products to the MAX31889ALT+ temperature sensor include:
1. Texas Instruments TMP117 - High-precision digital temperature sensor.
2. Microchip MCP9808 - High-accuracy temperature sensor.
3. STMicroelectronics STTS751 - Digital temperature sensor with I2C interface.
4. Analog Devices ADT7420 - High-accuracy digital temperature sensor.
5. Sensirion SHTC3 - Low-power humidity and temperature sensor.
These sensors offer similar features, including high accuracy and digital interfaces.

Features

The MAX31889ALT+ is a high-precision digital temperature sensor designed for various applications requiring accurate temperature measurements. Key features include:
1. High Accuracy: It offers an accuracy of ±0.25°C across the temperature range of -20°C to +105°C, making it suitable for applications requiring precise temperature monitoring.
2. Low Power Consumption: The sensor consumes minimal power, with an idle current of 0.6µA and an active conversion current of 50µA, which is ideal for battery-powered devices.
3. Fast Conversion Time: With a conversion time of 35ms, it provides quick temperature readings, beneficial for applications needing rapid responses to temperature changes.
4. Digital Interface: It utilizes an I²C-compatible 2-wire interface, simplifying integration with microcontrollers and other digital systems.
5. Wide Operating Range: The sensor operates over a temperature range of -40°C to +125°C, supporting a broad array of environmental conditions.
6. Small Package: Housed in a compact package, it is suitable for space-constrained applications.
7. 16-bit Resolution: Provides high-resolution temperature measurements for detailed data analysis.
These features make the MAX31889ALT+ well-suited for use in consumer electronics, industrial equipment, medical devices, and other applications requiring reliable temperature sensing.

Pinout

The MAX31889ALT+ is a high-precision digital temperature sensor featuring a small 2 mm x 2 mm package. It operates with an I²C-compatible interface, making it suitable for a variety of applications requiring precise temperature measurements.
This sensor comes in a 6-pin package. Here is a brief overview of its pin functions:
1. VDD: Supply voltage pin.
2. GND: Ground connection.
3. SCL: Serial clock line for the I²C interface.
4. SDA: Serial data line for the I²C interface.
5. INT: Interrupt output pin, which can alert the host microcontroller to certain conditions.
6. N.C.: No connection or not internally connected in the device.
The MAX31889ALT+ provides accurate temperature readings with low power consumption, making it suitable for battery-operated devices.

Manufacturer

The MAX31889ALT+ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company known for its production of a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including communications, automotive, industrial, healthcare, and consumer electronics, providing innovative solutions for efficient electronic systems.

Application

The MAX31889ALT+ is a highly accurate digital temperature sensor used in various applications. Key areas include medical devices, such as wearable health monitors and patient monitoring systems, due to its precision and low power consumption. It is also used in consumer electronics for battery management systems and over-temperature protection. In industrial settings, it assists in environmental monitoring and smart thermostats. Additionally, the sensor is employed in Internet of Things (IoT) devices for remote temperature sensing and control, offering reliable data in a compact form factor. Its versatility makes it suitable for any application requiring precise and efficient temperature measurement.

Package

The MAX31889ALT+ is a digital temperature sensor available in a 6-pin WLP (Wafer-Level Package). This package is compact, making it suitable for space-constrained applications.

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