LTC6601-1

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Low Noise, 0.5% Tolerance, 5MHz to 28MHz, Pin Configurable Filter/ADC Driver

Data Sheet Product Selection Table
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Overview

  • Pin Configurable Gain and Filter Response Up to 28MHz
  • Few External Components Required
  • Resistors Trimmed to 0.5% Typical
  • Capacitors Trimmed to 0.5% Typical
  • Very Low Noise: 80dB S/N in 100MHz Bandwidth
  • Very Low Distortion (2VP-P):
    • 1MHz: –100dBc 2nd, –123dBc 3rd
    • 10MHz: –72dBc 2nd, –103dBc 3rd
  • Adjustable Output Common Mode Voltage
  • Rail-to-Rail Output Swing
  • Power Configurability and Low Power Shutdown
  • Tiny 0.75mm 20-Lead (4mm × 4mm) QFN Package

The LTC6601-1 is a very easy-to-use fully differential 2nd order active RC filter and driver. On-chip resistors, capacitors, and amplifier bandwidth are trimmed to provide consistent and repeatable filter characteristics.

The filter characteristics are pin-strap configurable. Cutoff frequencies range from 5MHz to 28MHz. Gain is pin-strap programmable between –17dB and +17dB.

A three-state BIAS pin is provided to adjust amplifier power consumption. Select between high performance, low power (50% power reduction), and standby modes with the BIAS pin.

The LTC6601-1 is available in a compact 4mm × 4mm 16-pin leadless QFN package.

Applications

  • Differential Input A/D Converter Driver
  • Antialiasing/Reconstruction Filter
  • Single-Ended to Differential Conversion/Amplification
  • Low Voltage, Low Noise, Differential Signal Processing
  • Common Mode Voltage Translation
LTC6601-1
Low Noise, 0.5% Tolerance, 5MHz to 28MHz, Pin Configurable Filter/ADC Driver
19MHz, 2nd Order Lowpass Filter. Gain = 6dB Frequency Response Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

Technical Articles 1

Data Sheet

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
LT6600-20
PRODUCTION Very Low Noise, Differential Amplifier and 20MHz Lowpass Filter
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTC6601-1
  • LTC6601-2
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
DC1251A-A

LTC6601-1 | Low Noise Configurable Broadband Filter Demo Board

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Product Details

DC1251A-A: Demo Board for LTC6601-1 - Low Noise, 0.5% Tolerance, 5MHz to 28MHz, Pin Configurable Filter/ADC Driver
DC1251A-A
LTC6601-1 | Low Noise Configurable Broadband Filter Demo Board
DC1251A-A - Schematic

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