Overview
The LTC2268IUJ-14#TRPBF is a high-performance, 2-channel, simultaneous sampling 14-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. It operates on a single 1.8V supply and features low power consumption, serial LVDS outputs, and a compact 40-pin QFN package.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 125 Msps |
| Supply Voltage | 1.7V to 1.9V |
| Power Consumption | 299mW (total), 150mW per channel |
| Signal-to-Noise Ratio (SNR) | 73.1 dB |
| Spurious Free Dynamic Range (SFDR) | 88 dB |
| Input Range | 1V P-P to 2V P-P |
| Full Power Bandwidth | 800 MHz |
| Package Type | 40-pin QFN (6mm x 6mm x 0.75mm) |
| RoHS Compliance | Yes |
Key Features
- 2-channel simultaneous sampling ADC
- Low power consumption: 299mW total, 150mW per channel
- Serial LVDS outputs: 1 or 2 bits per channel
- Selectable input ranges: 1V P-P to 2V P-P
- 800 MHz full power bandwidth S/H
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin compatible with 14-bit and 12-bit versions
- Internal clock duty cycle stabilizer for high performance
Applications
The LTC2268IUJ-14#TRPBF is suitable for a variety of demanding communications applications, including:
- High-frequency signal processing
- Wide dynamic range signal digitization
- Communications systems requiring high AC performance
- Applications needing low power consumption and high resolution ADCs
Q & A
- What is the resolution of the LTC2268IUJ-14#TRPBF ADC?
The resolution is 14 bits. - What is the sampling rate of this ADC?
The sampling rate is 125 Msps. - What is the supply voltage range for this device?
The supply voltage range is 1.7V to 1.9V. - How much power does the LTC2268IUJ-14#TRPBF consume?
The total power consumption is 299mW, with 150mW per channel. - What is the signal-to-noise ratio (SNR) of this ADC?
The SNR is 73.1 dB. - What is the spurious free dynamic range (SFDR) of this ADC?
The SFDR is 88 dB. - What are the input range options for this ADC?
The input range options are 1V P-P to 2V P-P. - What is the full power bandwidth of the sample-and-hold (S/H) circuit?
The full power bandwidth is 800 MHz. - Does the LTC2268IUJ-14#TRPBF have power management features?
Yes, it has shutdown and nap modes for power management. - How is the device configured?
The device is configured via a serial SPI port.
