MAX6640AEE+
Product Overview
Category: Integrated Circuit
Use: Temperature Sensor
Characteristics: Digital Output, High Accuracy
Package: 16-pin QSOP
Essence: Monitors and reports the temperature of a device or system
Packaging/Quantity: Tape & Reel, 2500 units
Specifications
- Temperature Range: -55°C to +125°C
- Resolution: 0.125°C
- Supply Voltage: 3V to 5.5V
- Interface: I2C/SMBus
Detailed Pin Configuration
- GND
- ALERT
- SDA
- SCL
- VDD
- T_CRIT
- T_HIGH
- T_LOW
- T_HYST
- T_DIODE
- D+
- D-
- NC
- NC
- NC
- NC
Functional Features
- High Accuracy
- Digital Output
- Programmable Temperature Limits
- SMBus/I2C Compatible Interface
- Diode Fault Detection
Advantages and Disadvantages
Advantages: - High accuracy in temperature monitoring - Flexible programmable temperature limits - Small package size
Disadvantages: - Limited temperature range compared to some alternatives - Requires careful PCB layout for accurate temperature sensing
Working Principles
The MAX6640AEE+ operates by measuring the voltage across an external diode-connected transistor to accurately determine the temperature. It then communicates this data through its digital interface.
Detailed Application Field Plans
The MAX6640AEE+ is suitable for various applications including: - Computer Systems - Industrial Equipment - Automotive Electronics - Medical Devices - Consumer Electronics
Detailed and Complete Alternative Models
Some alternative models to MAX6640AEE+ include: - LM75A: Digital Temperature Sensor with I2C Interface - TMP117: High-Accuracy Digital Temperature Sensor - DS18B20: Programmable Resolution 1-Wire Digital Thermometer
In conclusion, the MAX6640AEE+ is a highly accurate digital temperature sensor suitable for a wide range of applications, offering flexibility and reliability in temperature monitoring and reporting.
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What is the MAX6640AEE+?
- The MAX6640AEE+ is a temperature sensor and fan-speed regulator designed for use in personal computers.
How does the MAX6640AEE+ measure temperature?
- The MAX6640AEE+ uses an integrated temperature sensor to measure the temperature of the device it is monitoring.
What is the operating voltage range of the MAX6640AEE+?
- The operating voltage range of the MAX6640AEE+ is typically 3.0V to 5.5V.
Can the MAX6640AEE+ control multiple fans?
- Yes, the MAX6640AEE+ can control up to two fans using its PWM outputs.
What is the accuracy of the temperature measurement with the MAX6640AEE+?
- The MAX6640AEE+ has a typical accuracy of ±1°C for temperatures between 60°C and 100°C.
Does the MAX6640AEE+ have any built-in fault detection features?
- Yes, the MAX6640AEE+ includes overtemperature and undertemperature alarms, as well as fan-fault detection.
Can the MAX6640AEE+ be used in automotive applications?
- No, the MAX6640AEE+ is not recommended for automotive applications due to its operating temperature range.
What is the maximum fan drive capability of the MAX6640AEE+?
- The MAX6640AEE+ can drive fan loads of up to 25mA.
Is the MAX6640AEE+ suitable for low-power applications?
- Yes, the MAX6640AEE+ has a low supply current and is suitable for low-power applications.
What is the package type of the MAX6640AEE+?
- The MAX6640AEE+ is available in a 16-pin QSOP package.