Overview
The LTC2144IUP-12 is a high-performance, 12-bit, dual-channel analog-to-digital converter (ADC) designed by Analog Devices Inc. This component is part of the LTC2144 family, which is optimized for digitizing high-frequency, wide dynamic range signals. It is particularly suited for demanding communications applications, software-defined radios, and other high-speed data acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | 105 Msps |
| Signal-to-Noise Ratio (SNR) | 70.6 dB |
| Spurious Free Dynamic Range (SFDR) | 89 dB |
| Power Consumption | 183 mW (total), 92 mW per channel |
| Supply Voltage | 1.7 V to 1.9 V (analog and digital) |
| Input Range | 1 Vpp to 2 Vpp |
| Full Power Bandwidth | 750 MHz |
| Output Interface | CMOS, DDR CMOS, or DDR LVDS |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) |
| Operating Temperature | -40°C to 85°C |
Key Features
- Two-channel simultaneous sampling ADC
- Low power consumption: 183 mW total, 92 mW per channel
- Single 1.8V supply
- CMOS, DDR CMOS, or DDR LVDS outputs
- Selectable input ranges: 1 Vpp to 2 Vpp
- Optional data output randomizer and clock duty cycle stabilizer
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Ultralow jitter of 0.08 ps RMS
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multi-Channel Data Acquisition
- Nondestructive Testing
Q & A
- What is the sampling rate of the LTC2144IUP-12?
The sampling rate of the LTC2144IUP-12 is 105 Msps.
- What is the signal-to-noise ratio (SNR) of this ADC?
The SNR of the LTC2144IUP-12 is 70.6 dB.
- What are the available output interfaces for this ADC?
The output interfaces available are CMOS, DDR CMOS, and DDR LVDS.
- What is the power consumption of the LTC2144IUP-12?
The total power consumption is 183 mW, with 92 mW per channel.
- What is the operating temperature range of this component?
The operating temperature range is -40°C to 85°C.
- Does the LTC2144IUP-12 support simultaneous sampling?
- What is the full power bandwidth of the sample and hold (S/H) circuit?
The full power bandwidth of the S/H circuit is 750 MHz.
- Are there any power management features in this ADC?
- How is the configuration of the ADC done?
The configuration is done through a serial SPI port.
- What is the package type and size of the LTC2144IUP-12?
The package is a 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP).
