Overview
The LTC2264IUJ-14, produced by Analog Devices Inc., is a 2-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 LTC2264IUJ-14 features a single 1.8V supply, serial LVDS outputs, and selectable input ranges, making it versatile and efficient for various high-performance applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum |
|---|---|---|---|
| Analog Supply Voltage (VDD) | 1.7 V | 1.8 V | 1.9 V |
| Output Supply Voltage (OVDD) | 1.7 V | 1.8 V | 1.9 V |
| Analog Supply Current (IVDD) | 53 mA | 63 mA | 84 mA |
| Digital Supply Current (IOVDD) - 1-Lane Mode, 1.75mA | 10 mA | 15 mA | 20 mA |
| Power Dissipation - 1-Lane Mode, 1.75mA | 113 mW | 130 mW | 146 mW |
| Sample Rate | 40 Msps | ||
| Signal-to-Noise Ratio (SNR) | 73.7 dB | ||
| Spurious Free Dynamic Range (SFDR) | 90 dB | ||
| Jitter | 0.15 ps RMS | ||
| Integral Nonlinearity (INL) | ±1 LSB | ||
| Differential Nonlinearity (DNL) | ±0.3 LSB | ||
| Full Power Bandwidth | 800 MHz | ||
| Package Type | 40-Pin (6mm × 6mm) QFN |
Key Features
- 2-Channel Simultaneous Sampling ADC
- 73.7 dB SNR and 90 dB SFDR for high AC performance
- Low Power Consumption: 171 mW total, 85 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 Sample and Hold
- Shutdown and Nap Modes for power management
- Serial SPI Port for Configuration
- Pin Compatible with 14-Bit and 12-Bit Versions
- 40-Pin (6mm × 6mm) QFN Package
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multichannel Data Acquisition
- Nondestructive Testing
Q & A
- What is the sample rate of the LTC2264IUJ-14?
The sample rate of the LTC2264IUJ-14 is 40 Msps.
- What is the signal-to-noise ratio (SNR) of this ADC?
The SNR of the LTC2264IUJ-14 is 73.7 dB.
- What is the spurious free dynamic range (SFDR) of this device?
The SFDR of the LTC2264IUJ-14 is 90 dB.
- What is the jitter performance of the LTC2264IUJ-14?
The jitter performance is 0.15 ps RMS.
- What are the typical integral nonlinearity (INL) and differential nonlinearity (DNL) values?
The typical INL is ±1 LSB, and the typical DNL is ±0.3 LSB.
- What is the full power bandwidth of the sample and hold circuit?
The full power bandwidth is 800 MHz.
- What are the power consumption modes available for this ADC?
The device has shutdown and nap modes for power management.
- How is the output data transmitted from the ADC?
The output data is transmitted via serial LVDS, with options for 1 or 2 bits per channel.
- What package type is the LTC2264IUJ-14 available in?
The device is available in a 40-Pin (6mm × 6mm) QFN package.
- What are some common applications for the LTC2264IUJ-14?
Common applications include communications, cellular base stations, software defined radios, portable medical imaging, multichannel data acquisition, and nondestructive testing.
