LT5554 Datasheet PDF - Linear Broadband Ultra Low Distortion 7-Bit Digitally Controlled VGA Specs

LT5554 - Broadband Ultra Low Distortion 7-Bit Digitally Controlled VGA

Datasheet Summary

Description

The LT®5554 is a 7-bit digitally controlled programmable gain (PG) ampliﬁer with 16dB gain control range.

It consists of a 50Ω input variable attenuator, followed by a high linearity variable transconductance ampliﬁer.

Features

n 1GHz Bandwidth at all Gains n 48dBm OIP3 at 200MHz, 2VP-P into 50Ω, ROUT = 100Ω n.
88dBc IMD3 at 200MHz, 2VP-P into 50Ω, ROUT = 100Ω n 1.4nV/√Hz Input-Referred-Noise (RTI) n 20dBm Output P1dB at 70MHz, ROUT = 130Ω n 2dB to 18dB Gain Range (ROUT = 50Ω) n 0.125dB Gain Step Size n 30ps Group Delay Variation n 5ns Fast Gain Settling Time n 5ns Fast Overdrive Recovery n.
80dB Reverse Isolation.

Datasheet Details

Part number	LT5554
Manufacturer	Linear
File Size	597.92 KB
Description	Broadband Ultra Low Distortion 7-Bit Digitally Controlled VGA
Datasheet	LT5554 Datasheet
Additional preview pages of the LT5554 datasheet.

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Full PDF Text Transcription

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FEATURES n 1GHz Bandwidth at all Gains n 48dBm OIP3 at 200MHz, 2VP-P into 50Ω, ROUT = 100Ω n –88dBc IMD3 at 200MHz, 2VP-P into 50Ω, ROUT = 100Ω n 1.4nV/√Hz Input-Referred-Noise (RTI) n 20dBm Output P1dB at 70MHz, ROUT = 130Ω n 2dB to 18dB Gain Range (ROUT = 50Ω) n 0.125dB Gain Step Size n 30ps Group Delay Variation n 5ns Fast Gain Settling Time n 5ns Fast Overdrive Recovery n –80dB Reverse Isolation APPLICATIONS n Differential ADC Driver n IF Sampling Receivers n VGA IF Power Ampliﬁer n 50Ω Driver n Instrumentation L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.

Published: Mar 16, 2016 |