LTC2245IUH#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Analog-to-Digital Converter (ADC)

Characteristics: - High-speed, high-resolution ADC - Low power consumption - Wide input voltage range - Small form factor - High accuracy and precision

Package: 32-pin QFN (Quad Flat No-Lead) package

Essence: The LTC2245IUH#TRPBF is a high-performance ADC designed for various applications that require fast and accurate analog-to-digital conversion.

Packaging/Quantity: The LTC2245IUH#TRPBF is typically sold in reels of 250 units.

Specifications

• Resolution: 14 bits
• Sampling Rate: Up to 105 MSPS (Mega Samples Per Second)
• Input Voltage Range: ±2.5V
• Power Supply: 3.3V
• Power Consumption: 300 mW
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC2245IUH#TRPBF features a 32-pin QFN package with the following pin configuration:

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

Functional Features

• High-speed conversion with low latency
• Excellent linearity and dynamic range
• Integrated digital filters for improved signal processing
• Serial interface for easy integration with microcontrollers or digital signal processors
• Power-down mode for reduced power consumption during idle periods

Advantages and Disadvantages

Advantages: - High resolution and accuracy - Fast sampling rate - Low power consumption - Small form factor - Wide input voltage range

Disadvantages: - Relatively high cost compared to lower-end ADCs - Requires external components for proper operation

Working Principles

The LTC2245IUH#TRPBF utilizes a successive approximation register (SAR) architecture to convert analog signals into digital data. It employs a sample-and-hold circuit to capture the input voltage, which is then processed by an internal SAR algorithm. The resulting digital output is provided through the serial interface.

Detailed Application Field Plans

The LTC2245IUH#TRPBF is suitable for a wide range of applications, including but not limited to: - Communications systems - Medical imaging equipment - Test and measurement instruments - Industrial automation - Radar and sonar systems - Audio and video processing

Detailed and Complete Alternative Models

1. LTC2244IUH#TRPBF: Similar to LTC2245IUH#TRPBF but with 12-bit resolution.
2. LTC2246IUH#TRPBF: Similar to LTC2245IUH#TRPBF but with 16-bit resolution.
3. LTC2247IUH#TRPBF: Similar to LTC2245IUH#TRPBF but with 18-bit resolution.

These alternative models offer different resolution options to suit specific application requirements.

In conclusion, the LTC2245IUH#TRPBF is a high-performance ADC that provides fast and accurate analog-to-digital conversion. With its high resolution, wide input voltage range, and low power consumption, it is well-suited for various applications in different industries.