Overview
The LTC2175-14, produced by Analog Devices Inc., is a 4-channel, simultaneous sampling 14-bit analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This ADC is particularly suited for demanding communications applications, offering exceptional AC performance and low power consumption. The device features a single 1.8V supply, serial LVDS outputs, and a range of configurable options to ensure high signal integrity and performance.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14 bits |
| Number of Channels | 4 |
| Sampling Rate | Up to 125 Msps |
| Signal-to-Noise Ratio (SNR) | 73.1 dB |
| Spurious Free Dynamic Range (SFDR) | 88 dB |
| Power Consumption | 558 mW (total), 140 mW per channel |
| Supply Voltage | 1.8 V |
| Input Range | 1 Vpp to 2 Vpp |
| Full Power Bandwidth S/H | 800 MHz |
| Package | 52-Lead QFN (7mm x 8mm x 0.75mm) |
Key Features
- 4-channel simultaneous sampling ADC
- Low power consumption: 558 mW total, 140 mW per channel
- Single 1.8V supply
- Serial LVDS outputs: 1 or 2 bits per channel
- Selectable input ranges: 1 Vpp to 2 Vpp
- 800 MHz full power bandwidth S/H
- Shutdown and nap modes
- Serial SPI port for configuration
- Pin compatible 14-bit and 12-bit versions
- 52-pin QFN package
Applications
The LTC2175-14 is ideal for demanding communications applications, including high-frequency signal processing, wide dynamic range signal digitization, and low-power high-performance ADC requirements. It is particularly useful in applications such as wireless communication systems, radar systems, and other high-speed data acquisition systems.
Q & A
- What is the resolution of the LTC2175-14 ADC?
The LTC2175-14 has a resolution of 14 bits. - How many channels does the LTC2175-14 support?
The LTC2175-14 supports 4 channels. - What is the maximum sampling rate of the LTC2175-14?
The maximum sampling rate is up to 125 Msps. - What is the signal-to-noise ratio (SNR) of the LTC2175-14?
The SNR is 73.1 dB. - What is the spurious free dynamic range (SFDR) of the LTC2175-14?
The SFDR is 88 dB. - What is the power consumption of the LTC2175-14?
The total power consumption is 558 mW, with 140 mW per channel. - What is the supply voltage for the LTC2175-14?
The supply voltage is 1.8 V. - What are the input range options for the LTC2175-14?
The input range options are 1 Vpp to 2 Vpp. - What is the full power bandwidth of the sample-and-hold (S/H) stage?
The full power bandwidth of the S/H stage is 800 MHz. - Does the LTC2175-14 have power-saving modes?
Yes, it has shutdown and nap modes.
