LTC2261-14

PRODUCTION

14-Bit, 125Msps Ultra-Low Power 1.8V ADCs

Part Models: 4
1ku List Price: Starting From $66.84

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Part Details

73.4dB SNR
85dB SFDR
Low Power: 127mW/106mW/89mW
Single 1.8V Supply
CMOS, DDR CMOS or DDR LVDS Outputs
Selectable Input Ranges: 1V_P-P to 2V_P-P
800MHz Full-Power Bandwidth S/H
Optional Data Output Randomizer
Optional Clock Duty Cycle Stabilizer
Shutdown and Nap Modes
Serial SPI Port for Configuration
Pin Compatible 14-Bit and 12-Bit Versions
40-Pin (6mm × 6mm) QFN Package

The LTC2261-14/LTC2260-14/LTC2259-14 are sampling 14-bit A/D converters designed for digitizing high frequency, wide dynamic range signals. They are perfect for demanding communications applications with AC performance that includes 73.4dB SNR and 85dB spurious free dynamic range (SFDR). Ultralow jitter of 0.17ps_RMS allows undersampling of IF frequencies with excellent noise performance.

DC specs include ±1LSB INL (typical), ±0.3LSB DNL (typical) and no missing codes over temperature. The transition noise is a low 1.2LSB_RMS.

The digital outputs can be either full-rate CMOS, doubledata rate CMOS, or double-data rate LVDS. A separate output power supply allows the CMOS output swing to range from 1.2V to 1.8V.

The ENC⁺ and ENC^– inputs may be driven differentially or single ended with a sine wave, PECL, LVDS, TTL or CMOS inputs. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.


	Bits
LTC2261-12	12
LTC2261-14	14

Applications

Communications
Cellular Base Stations
Software Defined Radios
Portable Medical Imaging
Multi-Channel Data Acquisition
Nondestructive Testing

Part Models: 4
1ku List Price: Starting From $66.84

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC2261CUJ-14#PBF	40-Lead QFN (6mm x 6mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2261CUJ-14#TRPBF	40-Lead QFN (6mm x 6mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2261IUJ-14#PBF	40-Lead QFN (6mm x 6mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC2261IUJ-14#TRPBF	40-Lead QFN (6mm x 6mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

Evaluation Software 1

LinearLab Tools

A collection of Matlab and Python programs that provide direct access to Linear Technology’s data converter evaluation boards.

LinearLab Tools

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Hardware Ecosystem

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