Overview
The LTC2265IUJ-14#TRPBF is a 14-bit, dual-channel, simultaneous sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to digitize high-frequency, wide dynamic range signals, making it ideal for demanding communications applications. It features high AC performance, low power consumption, and a compact 40-lead QFN package.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | Up to 65 Msps |
| Signal-to-Noise Ratio (SNR) | 73.7 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Power Consumption (Total) | 171 mW / 113 mW / 94 mW |
| Power Consumption (Per Channel) | 85 mW / 56 mW / 47 mW |
| Supply Voltage | Single 1.8 V |
| Input Range | Selectable: 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
- 2-Channel Simultaneous Sampling ADC
- Low Power Consumption: 171mW/113mW/94mW Total, 85mW/56mW/47mW per Channel
- Single 1.8V Supply
- Serial LVDS Outputs: 1 or 2 Bits per Channel
- Selectable Input Ranges: 1V P-P to 2V P-P
- 800MHz Full Power Bandwidth S/H
- Shutdown and Nap Modes for Power Management
- Serial SPI Port for Configuration
- Pin Compatible 14-Bit and 12-Bit Versions
- Ultralow Jitter of 0.15ps RMS
- Internal Clock Duty Cycle Stabilizer
Applications
The LTC2265IUJ-14#TRPBF is particularly suited for demanding communications applications, including:
- High-frequency signal processing
- Wide dynamic range signal digitization
- Communications systems requiring high AC performance
- Undersampling of IF frequencies with excellent noise performance
Q & A
- What is the resolution of the LTC2265IUJ-14#TRPBF ADC?
The LTC2265IUJ-14#TRPBF has a resolution of 14 bits.
- What is the maximum sampling rate of the LTC2265IUJ-14#TRPBF?
The maximum sampling rate is up to 65 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2265IUJ-14#TRPBF?
The SNR is 73.7 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2265IUJ-14#TRPBF?
The SFDR is 90 dB.
- What are the power consumption options for the LTC2265IUJ-14#TRPBF?
The total power consumption options are 171 mW, 113 mW, and 94 mW, with per-channel consumption of 85 mW, 56 mW, and 47 mW respectively.
- What is the supply voltage requirement for the LTC2265IUJ-14#TRPBF?
The device operates on a single 1.8 V supply.
- What are the selectable input ranges for the LTC2265IUJ-14#TRPBF?
The input ranges are selectable 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 LTC2265IUJ-14#TRPBF support power management features?
Yes, it supports shutdown and nap modes for power management.
- How does the LTC2265IUJ-14#TRPBF output data?
The device outputs data via serial LVDS, with options for 1 or 2 bits per channel.
