MAX11138ATI+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX11138ATI+ 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+ 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 conversion rate of 500 kilosamples per second (ksps), this ADC provides real-time data acquisition capabilities.
• Wide input voltage range: The MAX11138ATI+ can handle input voltages ranging from -10V to +10V, allowing for versatile signal processing.

Package and Quantity

The MAX11138ATI+ is available in a compact 28-pin thin quad flat package (TQFN). It is typically sold in reels containing a quantity of 250 units.

Essence

The essence of the MAX11138ATI+ lies in its ability to accurately convert analog signals into digital data with high resolution and fast conversion rates.

Packaging/Quantity

The MAX11138ATI+ is packaged in a 28-pin TQFN package. Each reel contains 250 units of this ADC.

Specifications

• Resolution: Up to 18 bits
• Conversion 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

Detailed Pin Configuration

1. VDD: Power supply voltage
2. REF: Reference voltage input
3. AGND: Analog ground
4. VIN+: Positive analog input voltage
5. VIN-: Negative analog input voltage
6. DGND: Digital ground
7. DOUT: Digital output data
8. SCLK: Serial clock input
9. CS: Chip select input
10. DIN: Serial data input
11. EOC: End of conversion output
12. SDI: Serial data interface
13. SDO: Serial data output
14. CLKOUT: Clock output
15. VREFOUT: Reference voltage output
16. REFBUF: Reference buffer output
17. VDDIO: Digital power supply voltage
18. VDDA: Analog power supply voltage 19-28. NC: No connection

Functional Features

• High-resolution ADC with up to 18 bits of resolution
• Fast conversion rate of up to 500 ksps
• Low power consumption for energy-efficient operation
• Wide input voltage range allows for versatile signal processing
• Serial interface for easy integration with microcontrollers and other digital devices
• Built-in reference voltage generator for accurate conversions

Advantages and Disadvantages

Advantages

• High resolution ensures accurate conversion of analog signals
• Fast conversion rate enables real-time data acquisition
• Low power consumption makes it suitable for battery-powered devices
• Wide input voltage range allows for versatile signal processing
• Serial interface simplifies integration with digital systems

Disadvantages

• Limited pin count may restrict the number of simultaneous inputs
• Higher cost compared to lower-resolution ADCs
• Requires external components for proper operation

Working Principles

The MAX11138ATI+ operates based on the principle of successive approximation. It samples the analog input voltage, converts it into a digital value using an internal ADC core, and outputs the result through a serial interface. The built-in reference voltage generator ensures accurate conversions by providing a stable reference voltage for the ADC.

Detailed Application Field Plans

The MAX11138ATI+ can be applied in various fields, including: 1. Industrial automation: Monitoring and control systems that require precise analog-to-digital conversion. 2. Medical devices: Measurement and monitoring equipment that rely on accurate data acquisition. 3. Test and measurement instruments: Oscilloscopes, data loggers, and other instruments that need high-resolution ADCs. 4. Communication systems: Signal processing applications that require fast and accurate conversion of analog signals.

Detailed and Complete Alternative Models

1. MAX11131ATI+: Similar to MAX11138ATI+, but with 12-bit resolution instead of 18 bits.
2. MAX11169ATI+: Higher-resolution ADC with 24-bit resolution and similar features to MAX11138ATI+.
3. MAX11125ATI+: Lower-cost alternative with 10-bit resolution and reduced features compared to MAX11138ATI+.

In conclusion, the MAX11138ATI+ is a high-resolution analog-to-digital converter with fast conversion rates and low power consumption. Its