Overview
The LTC2172IUKG-14#TRPBF is a high-performance, 14-bit, 65Msps quad analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding communications and other high-speed applications. The ADC features simultaneous sampling on all four channels, ensuring synchronized data acquisition. It operates on a single 1.8V supply and is packaged in a 52-lead QFN (7mm x 8mm x 0.75mm) with an exposed pad for enhanced thermal performance.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14-bit | |
| Sampling Rate | 65 Msps | |
| Signal-to-Noise Ratio (SNR) | 73.7 dB | |
| Spurious Free Dynamic Range (SFDR) | 90 dB | |
| Input Range | 1 Vpp to 2 Vpp | |
| Full Power Bandwidth | 800 MHz | |
| Analog Supply Voltage | 1.7 to 1.9 V | |
| Power Consumption (Total) | 311 mW | |
| Power Consumption (Per Channel) | 78 mW | |
| Package Type | 52-Lead QFN (7mm x 8mm x 0.75mm) |
Key Features
- 4-channel simultaneous sampling ADC
- Serial LVDS outputs: one or two bits per channel
- Selectable input ranges: 1 Vpp to 2 Vpp
- Low power consumption: 311 mW total, 78 mW per channel
- Single 1.8V supply
- 800 MHz full power bandwidth sample-and-hold
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin-compatible 14-bit and 12-bit versions
- LVDS drivers with optional internal termination and adjustable output levels
- Internal clock duty cycle stabilizer for high performance across various clock duty cycles
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multichannel Data Acquisition
- Nondestructive Testing
Q & A
- What is the resolution and sampling rate of the LTC2172IUKG-14#TRPBF?
The LTC2172IUKG-14#TRPBF has a 14-bit resolution and a sampling rate of 65 Msps.
- What is the signal-to-noise ratio (SNR) and spurious free dynamic range (SFDR) of this ADC?
The SNR is 73.7 dB, and the SFDR is 90 dB.
- What are the input range options for this ADC?
The input range is selectable from 1 Vpp to 2 Vpp.
- What is the full power bandwidth of the sample-and-hold circuit?
The full power bandwidth is 800 MHz.
- How many channels does this ADC have, and what is the sampling mode?
This ADC has 4 channels and supports simultaneous sampling.
- What type of digital outputs does this ADC provide?
The digital outputs are serial LVDS, with options for one or two bits per channel.
- What is the power consumption of this ADC?
The total power consumption is 311 mW, with 78 mW per channel.
- What are the package dimensions of the LTC2172IUKG-14#TRPBF?
The package is a 52-lead QFN measuring 7mm x 8mm x 0.75mm.
- What are some common applications for this ADC?
Common applications include communications, cellular base stations, software defined radios, portable medical imaging, multichannel data acquisition, and nondestructive testing.
- Does this ADC support configuration through a serial interface?
Yes, it supports configuration through a serial SPI port.
- What power management features does this ADC offer?
This ADC offers shutdown and nap modes for power management.
