Overview
The LTC2256IUJ-14 is a high-performance, 14-bit analog-to-digital converter (ADC) designed by Analog Devices Inc. This ultralow power ADC is optimized for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding applications in communications, medical imaging, and data acquisition. The device operates on a single 1.8V supply and features low power consumption, with options for full rate CMOS, double data rate CMOS, or double data rate LVDS digital outputs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14 | Bits |
| Sampling Rate | 25 | MS/s |
| Analog Supply Voltage | 1.8 | V |
| Digital Supply Voltage | 1.8 | V |
| Signal to Noise Ratio (SNR) | 71.8 | dB |
| Spurious Free Dynamic Range (SFDR) | 71.2 | dB |
| Full Power Bandwidth | 800 | MHz |
| Integral Linearity Error | ±1 | LSB |
| Differential Nonlinearity (DNL) | ±1 | LSB |
| Power Dissipation | 35 | mW |
| Operating Temperature Range | -40 to 85 | °C |
| Package | 40-Pin QFN (6mm × 6mm) |
Key Features
- Ultralow power consumption: 35mW at 25MS/s.
- High AC performance: 71.8dB SNR and 71.2dB SFDR.
- Low jitter: 0.17psRMS.
- Selectable input ranges: 1VP-P to 2VP-P.
- 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 versions.
- Digital outputs in full rate CMOS, double data rate CMOS, or double data rate LVDS.
Applications
- Communications: Cellular base stations, software-defined radios.
- Medical Imaging: Portable medical imaging devices.
- Data Acquisition: Multi-channel data acquisition systems.
- Nondestructive Testing.
Q & A
- What is the resolution of the LTC2256IUJ-14 ADC?
The LTC2256IUJ-14 has a resolution of 14 bits. - What is the sampling rate of the LTC2256IUJ-14?
The sampling rate is 25 MS/s. - What is the power consumption of the LTC2256IUJ-14 at 25 MS/s?
The power consumption is 35 mW. - What are the available digital output modes for the LTC2256IUJ-14?
The digital outputs can be in full rate CMOS, double data rate CMOS, or double data rate LVDS. - What is the full power bandwidth of the LTC2256IUJ-14?
The full power bandwidth is 800 MHz. - Does the LTC2256IUJ-14 support differential or single-ended inputs?
The device supports both differential and single-ended inputs. - What is the operating temperature range of the LTC2256IUJ-14?
The operating temperature range is -40°C to 85°C. - What package type is the LTC2256IUJ-14 available in?
The device is available in a 40-Pin QFN (6mm × 6mm) package. - Does the LTC2256IUJ-14 have power management features?
Yes, it includes shutdown and nap modes for power management. - How can the LTC2256IUJ-14 be configured?
The device can be configured via a serial SPI port.
