MAX11138ATI+T

Product Overview

Category

The MAX11138ATI+T belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data, making it suitable for a wide range of applications in various industries.

Characteristics

• High-resolution: The MAX11138ATI+T offers a resolution of up to 18 bits, ensuring accurate conversion of analog signals.
• Low power consumption: This ADC operates at low power levels, making it energy-efficient and suitable for battery-powered devices.
• Fast conversion rate: With a maximum sampling rate of 500 kilosamples per second (ksps), it enables real-time data acquisition.
• Wide input voltage range: The ADC can handle input voltages ranging from -10V to +10V, providing flexibility in signal acquisition.
• Small package size: The MAX11138ATI+T comes in a compact package, allowing for space-saving integration into electronic systems.

Package and Quantity

The MAX11138ATI+T is available in a small Thin QFN package. It is typically sold in reels containing a specified quantity of units, depending on the supplier.

Specifications

• Resolution: 18 bits
• Sampling Rate: Up to 500 ksps
• Input Voltage Range: -10V to +10V
• Power Supply: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Thin QFN

Pin Configuration

The MAX11138ATI+T has a total of 32 pins. The pin configuration is as follows:

1. VDD: Power supply voltage
2. AGND: Analog ground
3. REF+: Positive reference voltage input
4. REF-: Negative reference voltage input
5. IN0: Analog input channel 0
6. IN1: Analog input channel 1
7. IN2: Analog input channel 2
8. IN3: Analog input channel 3
9. IN4: Analog input channel 4
10. IN5: Analog input channel 5
11. IN6: Analog input channel 6
12. IN7: Analog input channel 7
13. IN8: Analog input channel 8
14. IN9: Analog input channel 9
15. IN10: Analog input channel 10
16. IN11: Analog input channel 11
17. IN12: Analog input channel 12
18. IN13: Analog input channel 13
19. IN14: Analog input channel 14
20. IN15: Analog input channel 15
21. CS: Chip select input
22. SCLK: Serial clock input
23. SDI: Serial data input
24. SDO: Serial data output
25. EOC: End of conversion output
26. DGND: Digital ground
27. DVDD: Digital power supply voltage
28. PD: Power-down control input
29. PDN: Power-down control input
30. REFOUT: Reference voltage output
31. VREF: Reference voltage output
32. VREFGND: Reference voltage ground

Functional Features

• High-resolution ADC with 18-bit conversion capability.
• Serial interface for easy integration into digital systems.
• Flexible input voltage range allows for versatile signal acquisition.
• Low power consumption enables energy-efficient operation.
• Fast conversion rate facilitates real-time data acquisition.

Advantages and Disadvantages

Advantages

• High resolution ensures accurate conversion of analog signals.
• Low power consumption makes it suitable for battery-powered devices.
• Compact package size allows for space-saving integration.
• Wide input voltage range provides flexibility in signal acquisition.

Disadvantages

• Limited number of analog input channels (16 channels).
• Higher cost compared to lower-resolution ADCs.

Working Principles

The MAX11138ATI+T operates based on the principle of successive approximation. It converts analog signals into digital data by comparing the input voltage with a reference voltage and iteratively adjusting the conversion until the desired resolution is achieved. The converted digital data is then made available through the serial interface for further processing or storage.

Detailed Application Field Plans

The MAX11138ATI+T finds applications in various fields, including but not limited to: 1. Industrial automation: Used for monitoring and control systems that require accurate analog-to-digital conversion. 2. Medical devices: Enables precise measurement and analysis of physiological signals. 3. Test and measurement equipment: Provides high-resolution data acquisition capabilities for accurate measurements. 4. Communication systems: Used in radio frequency (RF) signal processing and baseband applications. 5. Automotive electronics: Suitable for sensor data acquisition and control systems.

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