Overview
The LTC2144CUP-14, manufactured by Analog Devices Inc., is a high-performance 14-bit analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This device is part of the LTC2144 series, which includes dual-channel simultaneous sampling ADCs. It is particularly suited for demanding communications applications, offering excellent AC and DC performance.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 14 | - |
| Number of A/D Converters | 2 | - |
| Sampling Frequency | 105 Msps | - |
| Signal-to-Noise Ratio (SNR) | 73.1 dB | - |
| Spurious Free Dynamic Range (SFDR) | 90 dB | - |
| Integral Nonlinearity (INL) | ±1 LSB (typ) | - |
| Differential Nonlinearity (DNL) | ±0.3 LSB (typ) | - |
| Transition Noise | 1.2 LSB RMS | - |
| Input Range | 1 Vpp to 2 Vpp | - |
| Full Power Bandwidth | 750 MHz | - |
| Supply Voltage (Analog and Digital) | 1.7 V to 1.9 V | V |
| Power Dissipation | 189 mW (total), 95 mW per channel | mW |
| Package Type | 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) | - |
| Operating Temperature | 0°C to 70°C | °C |
Key Features
- Two-channel simultaneous sampling ADC
- Low power consumption: 189 mW total, 95 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 frequency of the LTC2144CUP-14?
The sampling frequency of the LTC2144CUP-14 is 105 Msps.
- How many channels does the LTC2144CUP-14 have?
The LTC2144CUP-14 has two channels for simultaneous sampling.
- What is the signal-to-noise ratio (SNR) of the LTC2144CUP-14?
The SNR of the LTC2144CUP-14 is 73.1 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2144CUP-14?
The SFDR of the LTC2144CUP-14 is 90 dB.
- What are the input range options for the LTC2144CUP-14?
The input range options are 1 Vpp to 2 Vpp.
- What is the full power bandwidth of the LTC2144CUP-14?
The full power bandwidth is 750 MHz.
- What are the power management options for the LTC2144CUP-14?
The device features shutdown and nap modes for power management.
- What type of output interfaces does the LTC2144CUP-14 support?
The device supports CMOS, DDR CMOS, or DDR LVDS outputs.
- Is the LTC2144CUP-14 RoHS compliant?
Yes, the LTC2144CUP-14 is lead-free and RoHS compliant.
- What is the operating temperature range of the LTC2144CUP-14?
The operating temperature range is 0°C to 70°C.
