Overview
The LTC2172CUKG-12#TRPBF is a high-performance, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of the LTC2172 series, which includes 4-channel, simultaneous sampling ADCs designed to digitize high-frequency, wide dynamic range signals. It is particularly suited for demanding communications applications due to its excellent AC performance and low power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | 65 Msps | |
| Signal-to-Noise Ratio (SNR) | 71 dB | |
| Spurious Free Dynamic Range (SFDR) | 90 dB | |
| Jitter | 0.15 ps RMS | |
| Analog Supply Voltage (VDD) | 1.7 to 1.9 V | V |
| Output Supply Voltage (OVDD) | 1.7 to 1.9 V | V |
| Analog Supply Current (IVDD) | 154 to 177 mA | mA |
| Digital Supply Current (IOVDD) | 16 to 50 mA | mA |
| Power Dissipation | 306 mW (total), 77 mW per channel | mW |
| Input Ranges | 1 V to 2 V peak-to-peak | V |
| Output Type | Serial LVDS | |
| Package Type | 52-Lead QFN | |
| Operating Temperature Range | 0°C to 70°C | °C |
Key Features
- 4-Channel Simultaneous Sampling: Allows for the simultaneous digitization of four channels, making it ideal for applications requiring high-speed and accurate data acquisition.
- Low Power Consumption: Total power dissipation of 306 mW, with 77 mW per channel, making it suitable for power-sensitive applications.
- High AC Performance: Features 71 dB SNR and 90 dB SFDR, ensuring high-quality signal conversion.
- Ultralow Jitter: 0.15 ps RMS jitter allows for undersampling of IF frequencies with excellent noise performance.
- Single 1.8V Supply: Simplifies power supply design and reduces component count.
- Serial LVDS Outputs: Minimizes the number of data lines and ensures clean signal integrity with optional internal termination and adjustable output levels.
- Selectable Input Ranges: Supports input ranges from 1 V to 2 V peak-to-peak, providing flexibility in signal handling.
- Shutdown and Nap Modes: Reduces power consumption during idle periods.
- Serial SPI Port for Configuration: Allows for easy configuration and control of the ADC.
Applications
- Communications Systems: Ideal for demanding communications applications due to its high AC performance and low power consumption.
- High-Speed Data Acquisition: Suitable for applications requiring the simultaneous sampling of multiple high-frequency signals.
- Medical Imaging: Can be used in medical imaging equipment that requires high-resolution and high-speed data conversion.
- Industrial Automation: Useful in industrial automation systems that need precise and fast data acquisition.
- Aerospace and Defense: Applicable in aerospace and defense systems where high reliability and performance are critical.
Q & A
- What is the resolution of the LTC2172CUKG-12 ADC?
The LTC2172CUKG-12 has a 12-bit resolution.
- What is the maximum sampling rate of the LTC2172CUKG-12?
The maximum sampling rate is 65 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2172CUKG-12?
The SNR is 71 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2172CUKG-12?
The SFDR is 90 dB.
- What is the jitter performance of the LTC2172CUKG-12?
The jitter is 0.15 ps RMS.
- What is the power supply voltage for the LTC2172CUKG-12?
The analog and output supply voltage is 1.7 to 1.9 V.
- What is the typical power consumption of the LTC2172CUKG-12?
The total power dissipation is 306 mW, with 77 mW per channel.
- What type of output does the LTC2172CUKG-12 provide?
The output is serial LVDS.
- What are the selectable input ranges for the LTC2172CUKG-12?
The input ranges are from 1 V to 2 V peak-to-peak.
- Does the LTC2172CUKG-12 have power-saving modes?
Yes, it has shutdown and nap modes to reduce power consumption during idle periods.
