Overview
The LTC2172IUKG-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 device is particularly suited for demanding communications applications, offering exceptional AC performance and low power consumption. The LTC2172IUKG-14 features an ultralow jitter of 0.15ps RMS, enabling the undersampling of IF frequencies with excellent noise performance.
Key Specifications
| Parameter | Typical Value | Units |
|---|---|---|
| Resolution | 14 bits | |
| Sampling Rate | 65 Msps | |
| Signal-to-Noise Ratio (SNR) | 73.7 dB | |
| Spurious Free Dynamic Range (SFDR) | 90 dB | |
| Input Voltage Range | 1 Vpp to 2 Vpp | |
| Analog Supply Voltage (VDD) | 1.7 V to 1.9 V | V |
| Output Supply Voltage (OVDD) | 1.7 V to 1.9 V | V |
| Analog Supply Current (IVDD) | 157 mA to 181 mA | mA |
| Digital Supply Current (IOVDD) | 96 mA to 112 mA | mA |
| Package Type | 52-Lead QFN (7mm x 8mm x 0.75mm w/ EP) |
Key Features
- 4-channel simultaneous sampling ADC
- Serial LVDS outputs: one or two bits per channel
- Selectable input ranges: 1 Vpp to 2 Vpp
- 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
- Internal clock duty cycle stabilizer for high performance across various clock duty cycles
- Optional internal termination and adjustable output levels for LVDS drivers
Applications
- Communications systems
- Cellular base stations
- Software defined radios
- Portable medical imaging
- Multichannel data acquisition
- Nondestructive testing
Q & A
- What is the resolution of the LTC2172IUKG-14 ADC?
The LTC2172IUKG-14 has a resolution of 14 bits. - What is the maximum sampling rate of the LTC2172IUKG-14?
The maximum sampling rate is 65 Msps. - What is the typical signal-to-noise ratio (SNR) of the LTC2172IUKG-14?
The typical SNR is 73.7 dB. - What is the spurious free dynamic range (SFDR) of the LTC2172IUKG-14?
The SFDR is 90 dB. - What are the input voltage ranges for the LTC2172IUKG-14?
The input voltage ranges are from 1 Vpp to 2 Vpp. - What type of output does the LTC2172IUKG-14 use?
The output is serial LVDS, with options for one or two bits per channel. - Does the LTC2172IUKG-14 have power management features?
Yes, it includes shutdown and nap modes for power management. - How is the LTC2172IUKG-14 configured?
It can be configured via a serial SPI port. - What package type is the LTC2172IUKG-14 available in?
The LTC2172IUKG-14 is available in a 52-Lead QFN (7mm x 8mm x 0.75mm w/ EP) package. - What are some common applications for the LTC2172IUKG-14?
Common applications include communications systems, cellular base stations, software defined radios, portable medical imaging, multichannel data acquisition, and nondestructive testing.
