LTC5588-1

PRODUCTION

200MHz to 6000MHz Quadrature Modulator with Ultrahigh OIP3

Data Sheet Product Selection Table

Part Models: 2
1ku List Price: Starting From $7.08

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Overview

Frequency Range: 200MHz to 6000MHz
Output IP3:
- +31dBm Typical at 2140MHz (Uncalibrated)
- +35dBm Typical (User Optimized)
Single Pin Calibration to Optimize OIP3
Low Output Noise Floor at 6MHz Offset:

No RF: –160.6dBm/Hz
P_OUT = 5dBm: –155.5dBm/Hz

Integrated LO Buffer and LO Quadrature Phase Generator
High Impedance DC Interface to Baseband Inputs with 0.5V Common Mode Voltage*
50Ω Single-Ended LO and RF Ports
3.3V Operation
Fast Turn-Off/On: 10ns/17ns
Temperature Sensor (Thermistor)
24-Lead UTQFN 4mm × 4mm Package

The LTC5588-1 is a direct conversion I/Q modulator designed for high performance wireless applications. It allows direct modulation of an RF signal using differential baseband I and Q signals. It supports LTE, GSM, EDGE, TD-SCDMA, CDMA, CDMA2000, W-CDMA, WiMax and other communication standards. It can also be configured as an image reject upconverting mixer, by applying 90° phase-shifted signals to the I and Q inputs. The I/Q baseband inputs drive double-balanced mixers. An onchip balun converts the differential mixer signals to a 50Ω single-ended RF output. Four balanced I and Q baseband input ports are DC-coupled with a common mode voltage level of 0.5V. The LO path consists of an LO buffer with single-ended or differential inputs and precision quadrature generators to drive the mixers. The supply voltage range is 3.15V to 3.45V. An external voltage can be applied to the LINOPT pin to further improve 3rd-order linearity performance. Accurate temperature dependent calibrations can be performed using the on-chip thermistor.

Applications

LTE, GSM/EDGE, W-CDMA, TD-SCDMA, CDMA2K, WiMax Basestations
Image Reject Upconverters
Point-to-Point Microwave Links
Broadcast Modulator
Military Radio

Part Models: 2
1ku List Price: Starting From $7.08

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
LTC5588IPF-1#PBF	24-Lead UTQFN (4mm x 4mm x 0.55mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC5588IPF-1#TRPBF	24-Lead UTQFN (4mm x 4mm x 0.55mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

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

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Phase-Locked Loop (PLL) Synthesizers 3
LTC6946	LAST TIME BUY	Ultralow Noise and Spurious 0.37GHz to 6.39GHz Integer-N Synthesizer with Integrated VCO
LTC6945	Obsolete	Ultralow Noise and Spurious 0.35GHz to 6GHz Integer-N Synthesizer
LTC6948	LAST TIME BUY	Ultralow Noise 0.37GHz to 6.39GHz Fractional-N Synthesizer with Integrated VCO

Tools & Simulations

ADIsimRF

ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

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