AD9238BST-40

Product Overview

Category

AD9238BST-40 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: AD9238BST-40 offers a resolution of 12 bits, ensuring accurate conversion of analog signals.
• Fast sampling rate: With a maximum sampling rate of 40 MegaSamples per second (MSPS), this ADC can handle high-speed signal processing.
• Low power consumption: The AD9238BST-40 is designed to operate efficiently with low power consumption, making it suitable for portable and battery-powered devices.
• Wide input voltage range: It supports a wide input voltage range, allowing it to handle various signal amplitudes effectively.

Package

The AD9238BST-40 comes in a small form factor package, such as a 48-lead LFCSP (Lead Frame Chip Scale Package) or similar package type. This compact package ensures easy integration into different electronic systems.

Essence

The essence of AD9238BST-40 lies in its ability to accurately convert analog signals into digital data, enabling further processing and analysis.

Packaging/Quantity

Typically, the AD9238BST-40 is available in reels or trays, depending on the manufacturer's packaging standards. The quantity per reel or tray may vary, but it is commonly available in quantities of 250 or 1000 units.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 40 MSPS
• Input Voltage Range: ±5V
• Power Supply: +3.3V
• Power Consumption: <100mW
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD9238BST-40 has a total of 48 pins. The pin configuration is as follows:

1. VREFP
2. VREFN
3. AGND
4. VIN+
5. VIN-
6. AVDD
7. DVDD
8. DGND
9. CLK
10. D[11:0]
11. CS
12. SCLK
13. SDATA
14. RESET
15. PDWN
16. REFOUT
17. REFIN
18. VCM
19. VDRIVE
20. VBIAS
21. VREFOUT
22. VREFBUF
23. VREFCAP
24. VREFADJ
25. VREFEXT
26. VREFEXTBUF
27. VREFEXTCAP
28. VREFEXTADJ
29. VREFEXTEN
30. VREFEXTENBUF
31. VREFEXTENCAP
32. VREFEXTENADJ
33. VREFEXTENEN
34. VREFEXTENENBUF
35. VREFEXTENENCAP
36. VREFEXTENENADJ
37. VREFEXTENENEN
38. VREFEXTENENENBUF
39. VREFEXTENENENCAP
40. VREFEXTENENENADJ
41. VREFEXTENENENEN
42. VREFEXTENENENENBUF
43. VREFEXTENENENENCAP
44. VREFEXTENENENENADJ
45. VREFEXTENENENENEN
46. VREFEXTENENENENENBUF
47. VREFEXTENENENENENCAP
48. VREFEXTENENENENENADJ

Functional Features

• High-speed conversion: AD9238BST-40 can convert analog signals into digital data at a maximum rate of 40 MSPS, enabling real-time processing.
• Low power consumption: The ADC is designed to operate efficiently with low power consumption, making it suitable for power-constrained applications.
• Flexible input range: It supports a wide input voltage range, allowing it to handle various signal amplitudes effectively.
• Serial interface: AD9238BST-40 features a serial interface (SPI) for easy integration with microcontrollers and other digital systems.

Advantages and Disadvantages

Advantages

• High-resolution conversion ensures accurate representation of analog signals.
• Fast sampling rate enables real-time signal processing.
• Low power consumption makes it suitable for portable and battery-powered devices.
• Wide input voltage range allows for versatile signal handling.

Disadvantages

• Limited resolution compared to higher-end ADCs.
• May require additional external components for specific applications.
• Higher cost compared to lower-resolution ADCs.

Working Principles

AD9238BST-40 operates based on the successive approximation register (SAR) architecture. It samples the analog input signal and converts