Overview
The LTC2204IUK is a high-performance 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding communications applications. The LTC2204IUK features a sampling rate of 40Msps and is capable of handling input frequencies up to 700MHz. It offers excellent AC performance, including high signal-to-noise ratio (SNR) and spurious free dynamic range (SFDR), along with ultralow jitter, which allows for undersampling of high input frequencies with excellent noise performance.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16-bit | |
| Sampling Rate | 40Msps | |
| Input Frequency Range | Up to 700MHz | |
| Signal-to-Noise Ratio (SNR) | 79.1 dBFS (5MHz input, 2.25V range, PGA = 0) | dBFS |
| Spurious Free Dynamic Range (SFDR) | 100 dB (5MHz input, 2.25V range, PGA = 0) | dB |
| Integral Linearity Error (INL) | ±4 LSB | LSB |
| Differential Linearity Error (DNL) | ±1 LSB (no missing codes) | LSB |
| Offset Error | ±0.3 LSB | LSB |
| Gain Error | ±0.2% FS (external reference) | % FS |
| Operating Temperature Range | –40°C to 85°C | °C |
| Supply Voltage (VDD) | –0.3V to 4V | V |
| Power Dissipation | 2000mW | mW |
Key Features
- High-speed sampling rate of 40Msps
- Input range optimization with PGA front end (2.25V or 1.5V peak-to-peak)
- Excellent AC performance: 79.1 dB SNR and 100 dB SFDR
- Ultralow jitter of 90fsRMS
- CMOS or LVDS output options
- Single 3.3V supply voltage
- Optional internal dither and data output randomizer
Applications
The LTC2204IUK is particularly suited for demanding communications applications, including wireless infrastructure, radar systems, and high-speed data acquisition. Its high SNR, SFDR, and low jitter make it an excellent choice for digitizing high-frequency signals in various industrial and military environments.
Q & A
- What is the sampling rate of the LTC2204IUK?
The LTC2204IUK has a sampling rate of 40Msps. - What is the maximum input frequency the LTC2204IUK can handle?
The LTC2204IUK can handle input frequencies up to 700MHz. - What are the SNR and SFDR specifications of the LTC2204IUK?
The SNR is 79.1 dBFS, and the SFDR is 100 dB for a 5MHz input with a 2.25V range and PGA = 0. - What is the operating temperature range of the LTC2204IUK?
The operating temperature range is –40°C to 85°C. - What are the power supply requirements for the LTC2204IUK?
The device operates on a single 3.3V supply voltage. - Does the LTC2204IUK support CMOS or LVDS outputs?
The LTC2204IUK supports both CMOS and LVDS output options. - What is the jitter performance of the LTC2204IUK?
The LTC2204IUK has an ultralow jitter of 90fsRMS. - Can the input range of the LTC2204IUK be optimized?
Yes, the input range can be optimized with the PGA front end, offering 2.25V or 1.5V peak-to-peak ranges. - What are some typical applications for the LTC2204IUK?
The LTC2204IUK is used in wireless infrastructure, radar systems, and high-speed data acquisition. - Does the LTC2204IUK have any optional features?
Yes, it includes optional internal dither and data output randomizer.
