LTC1747

PRODUCTION

12-Bit, 80Msps Low Noise ADC

Part Models: 4
1ku List Price: Starting From $23.13

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Overview

Sample Rate: 80Msps
72dB SNR and 85dB SFDR (3.2V Range)
70.5dB SNR and 87dB SFDR (2V Range)
Pin Compatible with 14-Bit 80Msps LTC1748
No Missing Codes
Single 5V Supply
Power Dissipation: 1.4W
Selectable Input Ranges: ±1V or ±1.6V
240MHz Full Power Bandwidth S/H
Pin Compatible Family
- 25Msps: LTC1746 (14-Bit), LTC1745 (12-Bit)
- 50Msps: LTC1744 (14-Bit), LTC1743 (12-Bit)
- 65Msps: LTC1742 (14-Bit), LTC1741 (12-Bit)
- 80Msps: LTC1748 (14-Bit), LTC1747 (12-Bit)
48-Pin TSSOP Package

The LTC1747 is an 80Msps, sampling 12-bit A/D converter designed for digitizing high frequency, wide dynamic range signals. Pin selectable input ranges of ±1V and ±1.6V along with a resistor programmable mode allow the LTC1747’s input range to be optimized for a wide variety of applications.

The LTC1747 is perfect for demanding communications applications with AC performance that includes 72dB SNR and 85dB spurious free dynamic range. Ultralow jitter of 0.15ps_RMS allows undersampling of IF frequencies with excellent noise performance. DC specs include ±1.5 LSB INL and ±0.8LSB DNL over temperature.

The digital interface is compatible with 5V, 3V, 2V and LVDS logic systems. The ENC and ENC inputs may be driven differentially from PECL, GTL and other low swing logic families or from single-ended TTL or CMOS. The low noise, high gain ENC and ENC inputs may also be driven by a sinusoidal signal without degrading performance. A separate output power supply can be operated from 0.5V to 5V, making it easy to connect directly to any low voltage DSPs or FIFOs.

The TSSOP package with a flow-through pinout simplifies the board layout.

Applications

Telecommunications
Receivers
Cellular Base Stations
Spectrum Analysis
Imaging Systems

Part Models: 4
1ku List Price: Starting From $23.13

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
LTC1747CFW#PBF	48-Lead TSSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC1747CFW#TRPBF	48-Lead TSSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC1747IFW#PBF	48-Lead TSSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC1747IFW#TRPBF	48-Lead TSSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Feb 14, 2019 - 19_0009 Assembly Site Transfer of Select 48L TSSOP Products from Amkor to ATEC Philippines
		PCN19_0009_Form Material_Report Qualification Results Summary
LTC1747CFW#PBF	PRODUCTION
LTC1747CFW#TRPBF	PRODUCTION
LTC1747IFW#PBF	PRODUCTION
LTC1747IFW#TRPBF	PRODUCTION

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

Software Resources

Evaluation Software 2

PScope

The PScope System is a USB-based product demonstration and data acquisition system for use with high performance ADCs and signal chain receiver family. PScope allows users to evaluate the SNR, SFDR, THD, as well as other key parameters, quickly and easily.