Overview
The LTC2260IUJ-12 from Analog Devices, Inc. is a high-performance 12-bit analog-to-digital converter (ADC) designed for capturing high-frequency, wide dynamic range signals. This converter is particularly suited for demanding communication applications where exceptional AC performance is crucial. It operates on a single 1.8V supply and features ultralow jitter of 0.17ps RMS, enabling accurate undersampling of intermediate frequencies (IF) while maintaining excellent noise performance. The LTC2260IUJ-12 offers a signal-to-noise ratio (SNR) of 70.8dB and a spurious free dynamic range (SFDR) of 85dB, ensuring high-fidelity signal capture.
Key Specifications
| Parameter | Value |
|---|---|
| Converter Type | General Purpose |
| Architecture | Pipelined |
| Resolution | 12-bit |
| Number of ADCs | 1 |
| Number of Input Channels | 1 |
| Sampling Rate | 105 Msps |
| Digital Interface Type | Parallel |
| Input Type | Voltage |
| Input Signal Type | Differential |
| Voltage Reference | External / Internal |
| Voltage Supply Source | Single 1.8V |
| Input Voltage Range | 1Vp-p to 2Vp-p |
| Full-Power Bandwidth S/H | 800 MHz |
| Package/Case | 40-Pin QFN (6mm x 6mm) |
| Power Dissipation | 103 mW |
| SNR | 70.8 dB |
| SFDR | 85 dB |
| Jitter | 0.17 ps RMS |
Key Features
- 16-Bit Parallel Data Interface
- Programmable Gain Control
- Low Power Sleep Mode and Nap Mode
- CMOS, DDR CMOS, or DDR LVDS Outputs
- Selectable Input Ranges: 1Vp-p to 2Vp-p
- Optional Data Output Randomizer and Clock Duty Cycle Stabilizer
- Serial SPI Port for Configuration
- Pin Compatible 14-Bit and 12-Bit Versions
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multi-Channel Data Acquisition
- Nondestructive Testing
- Avionics Systems
- Oil & Gas Exploration
- Wireless Networking
Q & A
- Q: What is the resolution and sampling rate of the LTC2260IUJ-12?
A: The LTC2260IUJ-12 has a resolution of 12 bits and a sampling rate of 105 Msps.
- Q: What is the power supply requirement for the LTC2260IUJ-12?
A: The LTC2260IUJ-12 operates on a single 1.8V supply.
- Q: What are the key performance metrics of the LTC2260IUJ-12?
A: The key performance metrics include an SNR of 70.8 dB, SFDR of 85 dB, and ultralow jitter of 0.17 ps RMS.
- Q: What types of output interfaces are available on the LTC2260IUJ-12?
A: The digital outputs can be either full-rate CMOS, double-data rate CMOS, or double-data rate LVDS.
- Q: What are the power consumption modes of the LTC2260IUJ-12?
A: The LTC2260IUJ-12 features low power sleep and nap modes, with a typical power consumption of 103 mW in normal operation.
- Q: How can the input range be configured on the LTC2260IUJ-12?
A: The input range is selectable between 1Vp-p and 2Vp-p.
- Q: What is the package type and size of the LTC2260IUJ-12?
A: The LTC2260IUJ-12 comes in a 40-Pin QFN package with dimensions of 6mm x 6mm.
- Q: Are there any optional features available on the LTC2260IUJ-12?
A: Yes, optional features include a data output randomizer and a clock duty cycle stabilizer.
- Q: How can the LTC2260IUJ-12 be configured?
A: The LTC2260IUJ-12 can be configured using a serial SPI port.
- Q: What are some typical applications of the LTC2260IUJ-12?
A: Typical applications include communications, cellular base stations, software defined radios, portable medical imaging, and multi-channel data acquisition.
