Overview
The LTC2256IUJ-14#TRPBF is a 14-bit, 25Msps 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 and other high-performance applications. It features ultralow jitter and excellent noise performance, making it suitable for undersampling IF frequencies.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 25 Msps |
| Signal-to-Noise Ratio (SNR) | 74 dB |
| Spurious Free Dynamic Range (SFDR) | 88 dB |
| Power Consumption | 81 mW / 49 mW / 35 mW |
| Supply Voltage | Single 1.8 V |
| Output Types | CMOS, DDR CMOS, DDR LVDS |
| Input Range | 1 V P-P to 2 V P-P |
| Full-Power Bandwidth S/H | 800 MHz |
| Package | 40-Lead QFN (6mm x 6mm x 0.75mm) |
Key Features
- Ultralow jitter of 0.17 ps RMS
- Optional data output randomizer and clock duty cycle stabilizer
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin compatible with 12-bit and 14-bit versions
- Separate output power supply allowing CMOS output swing from 1.2 V to 1.8 V
- Differential or single-ended inputs with support for sine wave, PECL, LVDS, TTL, or CMOS inputs
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multi-Channel Data Acquisition
- Nondestructive Testing
Q & A
- What is the resolution of the LTC2256IUJ-14#TRPBF ADC?
The resolution of the LTC2256IUJ-14#TRPBF ADC is 14 bits. - What is the sampling rate of this ADC?
The sampling rate is 25 Msps. - What is the signal-to-noise ratio (SNR) of this device?
The SNR is 74 dB. - What types of digital outputs are supported by this ADC?
The device supports CMOS, DDR CMOS, and DDR LVDS outputs. - What is the power consumption of the LTC2256IUJ-14#TRPBF?
The power consumption is 81 mW / 49 mW / 35 mW. - What is the supply voltage for this ADC?
The supply voltage is a single 1.8 V. - What are the input range options for this ADC?
The input range options are from 1 V P-P to 2 V P-P. - What is the full-power bandwidth of the sample-and-hold (S/H) circuit?
The full-power bandwidth of the S/H circuit is 800 MHz. - Does the LTC2256IUJ-14#TRPBF support differential or single-ended inputs?
Yes, it supports both differential and single-ended inputs with various input types such as sine wave, PECL, LVDS, TTL, or CMOS. - What are some of the key applications for this ADC?
Key applications include communications, cellular base stations, software defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing.
