AD9240ASZ

Product Overview

Category

AD9240ASZ belongs to the category of analog-to-digital converters (ADCs).

Use

The AD9240ASZ is used for converting analog signals into digital format. It is commonly employed in various applications that require high-speed and high-resolution data acquisition.

Characteristics

• High-speed: The AD9240ASZ offers a fast conversion rate, allowing for real-time data processing.
• High-resolution: With its high-resolution capability, this ADC ensures accurate digitization of analog signals.
• Package: The AD9240ASZ comes in a small form factor package, making it suitable for space-constrained designs.
• Essence: This ADC is designed to provide precise and reliable conversion of analog signals into digital data.
• Packaging/Quantity: The AD9240ASZ is typically available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Resolution: The AD9240ASZ has a resolution of 12 bits.
• Sampling Rate: It supports a maximum sampling rate of 80 MegaSamples per second (MSPS).
• Input Voltage Range: The ADC can handle input voltages ranging from 0V to VREF.
• Power Supply: It requires a single power supply voltage of +5V.
• Operating Temperature Range: The AD9240ASZ operates within a temperature range of -40°C to +85°C.

Detailed Pin Configuration

The AD9240ASZ features a 28-pin SSOP (Shrink Small Outline Package) pin configuration. The pins are assigned as follows:

1. REFOUT: Reference Output
2. REFIN: Reference Input
3. VREF: Reference Voltage Input
4. AGND: Analog Ground
5. VIN(-): Negative Analog Input
6. VIN(+): Positive Analog Input
7. DGND: Digital Ground
8. VDD: Power Supply Voltage
9. D[11]: Data Output Bit 11
10. D[10]: Data Output Bit 10
11. D[9]: Data Output Bit 9
12. D[8]: Data Output Bit 8
13. D[7]: Data Output Bit 7
14. D[6]: Data Output Bit 6
15. D[5]: Data Output Bit 5
16. D[4]: Data Output Bit 4
17. D[3]: Data Output Bit 3
18. D[2]: Data Output Bit 2
19. D[1]: Data Output Bit 1
20. D[0]: Data Output Bit 0
21. CS: Chip Select
22. SCLK: Serial Clock Input
23. SDATA: Serial Data Input
24. RESET: Reset Input
25. PDWN: Power-Down Input
26. DVDD: Digital Power Supply Voltage
27. AVDD: Analog Power Supply Voltage
28. REFBUF: Reference Buffer

Functional Features

The AD9240ASZ offers several functional features that enhance its performance and usability:

1. High-Speed Conversion: The ADC provides a fast conversion rate of up to 80 MSPS, enabling real-time data acquisition.
2. Low Power Consumption: It operates with low power consumption, making it suitable for power-sensitive applications.
3. Flexible Interface: The AD9240ASZ supports a serial interface, allowing easy integration with microcontrollers and digital signal processors.
4. Excellent Linearity: This ADC exhibits excellent linearity characteristics, ensuring accurate representation of analog signals in the digital domain.
5. Wide Input Voltage Range: It can handle a wide range of input voltages, accommodating various signal levels.

Advantages and Disadvantages

Advantages

• High-speed conversion capability
• High-resolution output
• Small form factor package
• Low power consumption
• Wide input voltage range

Disadvantages

• Limited maximum sampling rate compared to some other ADCs in the market
• Requires an external reference voltage for operation

Working Principles

The AD9240ASZ operates based on the principle of successive approximation. It samples the analog input signal and converts it into a digital representation using an internal analog-to-digital conversion algorithm. The converted digital data is then made available at the output pins for further processing.

Detailed Application Field Plans

The AD9240ASZ finds applications in various fields, including:

1. Communications: It is used in wireless communication systems for baseband signal processing.
2. Test and Measurement: The ADC is employed in high-speed data acquisition systems for accurate measurement and analysis.
3. Medical Imaging: It is utilized in medical imaging equipment for digitizing analog signals from sensors and transducers.
4. Industrial Automation: The AD9240ASZ is integrated into industrial automation systems for real-time monitoring and control.
5. Radar Systems: It plays a crucial role in