Overview
The LTC2261IUJ-12#PBF is a 12-bit, high-speed analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC2261 family and is known for its ultralow power consumption and high performance. It operates on a single 1.8V supply and is available in a 40-pin QFN package, making it suitable for a variety of applications requiring high-speed data conversion with low power consumption.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Resolution | - | - | - | - | 12 bits |
| Sampling Rate | - | - | 125 Msps | - | - |
| Supply Voltage | - | 1.7V | 1.8V | 2V | V |
| Power Consumption | - | - | 124 mW | - | mW |
| Signal-to-Noise Ratio (SNR) | 5 MHz Input | - | 70.8 dB | - | dB |
| Spurious Free Dynamic Range (SFDR) | - | - | 85 dB | - | dB |
| Full-Power Bandwidth | - | - | 800 MHz | - | MHz |
| Analog Input Voltage Range | - | - | 1 Vpp to 2 Vpp | - | Vpp |
| Output Interface | - | - | CMOS, DDR CMOS, DDR LVDS | - | - |
Key Features
- High-Speed Conversion: Supports sampling rates up to 125 Msps.
- Low Power Consumption: Operates at 124 mW, making it suitable for power-sensitive applications.
- High Dynamic Performance: Offers a signal-to-noise ratio (SNR) of 70.8 dB and a spurious free dynamic range (SFDR) of 85 dB.
- Flexible Output Interfaces: Supports CMOS, DDR CMOS, and DDR LVDS output interfaces.
- Selectable Input Ranges: Allows input voltage ranges from 1 Vpp to 2 Vpp.
- Full-Power Bandwidth: Up to 800 MHz.
- Optional Features: Includes optional data output randomizer and clock duty cycle stabilizer.
- Power Management: Features shutdown and nap modes for power reduction.
- Configuration: Includes a serial SPI port for configuration.
Applications
- Communications: Suitable for cellular base stations and software-defined radios.
- Portable Medical Imaging: Ideal for medical imaging devices due to its high performance and low power consumption.
- Multi-Channel Data Acquisition: Used in various data acquisition systems requiring high-speed and accurate data conversion.
- Nondestructive Testing: Applied in nondestructive testing equipment for its high dynamic range and accuracy.
Q & A
- What is the resolution of the LTC2261IUJ-12#PBF ADC?
The resolution of the LTC2261IUJ-12#PBF is 12 bits.
- What are the typical sampling rates supported by this ADC?
The LTC2261IUJ-12#PBF supports sampling rates up to 125 Msps.
- What is the supply voltage range for this component?
The supply voltage range is from 1.7V to 2V, with a typical voltage of 1.8V.
- How much power does the LTC2261IUJ-12#PBF consume?
The power consumption is typically 124 mW.
- What is the signal-to-noise ratio (SNR) of this ADC?
The SNR is 70.8 dB for a 5 MHz input.
- What output interfaces are supported by the LTC2261IUJ-12#PBF?
The component supports CMOS, DDR CMOS, and DDR LVDS output interfaces.
- What are the selectable input voltage ranges for this ADC?
The input voltage ranges are from 1 Vpp to 2 Vpp.
- Does the LTC2261IUJ-12#PBF have any power-saving modes?
Yes, it features shutdown and nap modes for power reduction.
- How is the LTC2261IUJ-12#PBF configured?
It includes a serial SPI port for configuration.
- What are some common applications of the LTC2261IUJ-12#PBF?
Common applications include communications, portable medical imaging, multi-channel data acquisition, and nondestructive testing.
