LTC2155IUP-14#TRPBF

Product Overview

Category

The LTC2155IUP-14#TRPBF belongs to the category of high-speed analog-to-digital converters (ADCs).

Use

This product is primarily used in applications that require high-speed and high-resolution analog-to-digital conversion. It is commonly employed in fields such as telecommunications, medical imaging, radar systems, and scientific research.

Characteristics

The LTC2155IUP-14#TRPBF offers exceptional performance with its high sampling rate and resolution. It provides a 14-bit resolution and can sample at speeds up to 250 Mega Samples Per Second (MSPS). This ADC also features low power consumption, making it suitable for portable and battery-powered devices.

Package

The LTC2155IUP-14#TRPBF comes in a small form factor package, specifically a 32-pin QFN (Quad Flat No-Lead) package. This package ensures easy integration into various circuit designs and allows for efficient heat dissipation.

Essence

The essence of the LTC2155IUP-14#TRPBF lies in its ability to accurately convert analog signals into digital data with high precision and speed. This enables the processing and analysis of real-world signals in digital systems.

Packaging/Quantity

The LTC2155IUP-14#TRPBF is typically available in tape and reel packaging. Each reel contains a quantity of 250 units, ensuring an adequate supply for production and assembly processes.

Specifications

• Resolution: 14 bits
• Sampling Rate: Up to 250 MSPS
• Power Consumption: Low power operation
• Input Voltage Range: ±1V
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 3.3V

Detailed Pin Configuration

The LTC2155IUP-14#TRPBF features a 32-pin QFN package with the following pin configuration:

1. VIN-
2. VIN+
3. GND
4. VREF-
5. VREF+
6. CLK-
7. CLK+
8. GND
9. DCO
10. SDI
11. SDO
12. CS-
13. CS+
14. GND
15. DGND
16. DVDD
17. AVDD
18. GND
19. GND
20. GND
21. GND
22. GND
23. GND
24. GND
25. GND
26. GND
27. GND
28. GND
29. GND
30. GND
31. GND
32. GND

Functional Features

The LTC2155IUP-14#TRPBF offers several functional features that enhance its performance and usability:

• High-speed sampling: With a maximum sampling rate of 250 MSPS, it can accurately capture fast-changing analog signals.
• Low power consumption: The ADC operates at low power levels, making it suitable for power-constrained applications.
• Wide input voltage range: It supports an input voltage range of ±1V, allowing for versatile signal acquisition.
• Differential inputs: The differential input architecture provides improved noise rejection and common-mode rejection.

Advantages and Disadvantages

Advantages

• High resolution and sampling rate enable precise signal conversion.
• Low power consumption extends battery life in portable devices.
• Small form factor package allows for easy integration into various designs.
• Wide input voltage range accommodates diverse signal levels.
• Differential input architecture enhances noise rejection.

Disadvantages

• Limited to 14-bit resolution, which may not be sufficient for certain high-precision applications.
• Higher cost compared to lower-end ADCs with lower specifications.

Working Principles

The LTC2155IUP-14#TRPBF operates based on the principle of successive approximation. It utilizes a sample-and-hold circuit to capture the analog input signal, which is then converted into a digital representation using a high-speed analog-to-digital conversion algorithm. The resulting digital data can be further processed and analyzed by digital systems.

Detailed Application Field Plans

The LTC2155IUP-14#TRPBF finds application in various fields that require high-speed and high-resolution analog-to-digital conversion. Some specific application areas include:

1. Telecommunications: Used in base stations, wireless communication systems, and network infrastructure for signal processing and analysis.
2. Medical Imaging: Employed in medical imaging devices such as ultrasound machines and MRI scanners to convert analog signals from sensors into digital images.
3. Radar Systems: Utilized in radar systems for target detection, tracking, and signal analysis.
4. Scientific Research: Applied in scientific instruments and data acquisition systems to capture and digitize analog signals for analysis and research purposes.

Detailed and Complete Alternative Models

1. LTC2154