Overview
The LTC2268IUJ-14 is a high-performance, 2-channel, simultaneous sampling 14-bit analog-to-digital converter (ADC) designed by Analog Devices Inc. This device is optimized for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding communications and other high-speed applications.
With its low power consumption and high accuracy, the LTC2268IUJ-14 is suitable for a variety of applications requiring precise and efficient signal conversion.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14 bits | |
| Number of Channels | 2 | |
| Sampling Rate | 125 MS/s | |
| Analog Supply Voltage | 1.7V to 1.9V | V |
| Power Dissipation | 299 mW (total), 150 mW per channel | mW |
| Signal to Noise Ratio (SNR) | 73.1 dB | dB |
| Spurious Free Dynamic Range (SFDR) | 88 dB | dB |
| Integral Nonlinearity (INL) | ±1 LSB (typical) | LSB |
| Differential Nonlinearity (DNL) | ±0.3 LSB (typical) | LSB |
| Package Type | 40-Pin QFN (6mm x 6mm x 0.75mm w/ EP) | |
| Operating Temperature | 0°C to 70°C | °C |
Key Features
- 2-channel simultaneous sampling ADC
- Low power consumption: 299mW total, 150mW per channel
- Single 1.8V supply voltage
- Serial LVDS outputs: 1 or 2 bits per channel
- Selectable input ranges: 1V P-P to 2V P-P
- 800MHz full power bandwidth sample-and-hold (S/H)
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin compatible with 14-bit and 12-bit versions
- Ultra-low jitter of 0.15ps RMS
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multichannel Data Acquisition
- Nondestructive Testing
Q & A
- What is the resolution of the LTC2268IUJ-14 ADC?
The LTC2268IUJ-14 has a resolution of 14 bits.
- What is the sampling rate of the LTC2268IUJ-14?
The sampling rate is 125 MS/s.
- What is the power consumption of the LTC2268IUJ-14?
The total power consumption is 299 mW, with 150 mW per channel.
- What type of output does the LTC2268IUJ-14 use?
The device uses serial LVDS outputs, with options for 1 or 2 bits per channel.
- What are the input range options for the LTC2268IUJ-14?
The input ranges are selectable from 1V P-P to 2V P-P.
- Does the LTC2268IUJ-14 support differential or single-ended inputs?
Yes, the device supports both differential and single-ended inputs.
- What is the operating temperature range of the LTC2268IUJ-14?
The operating temperature range is from 0°C to 70°C.
- Does the LTC2268IUJ-14 have power management features?
Yes, it includes shutdown and nap modes for power management.
- How is the LTC2268IUJ-14 configured?
The device is configured via a serial SPI port.
- What is the package type of the LTC2268IUJ-14?
The device is packaged in a 40-Pin QFN (6mm x 6mm x 0.75mm w/ EP).
