LT6204

PRODUCTION

Quad 100MHz, Rail-to-Rail Input and Output, Ultralow 1.9nV√Hz Noise, Low Power Op Amps

Data Sheet Product Selection Table
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Overview

  • Low Noise Voltage: 1.9nV/√Hz (100kHz)
  • Low Supply Current: 3mA/Amp Max
  • Gain Bandwidth Product: 100MHz
  • Dual LT6203 in Tiny DFN Package
  • Low Distortion: –80dB at 1MHz
  • Low Offset Voltage: 500μV Max
  • Wide Supply Range: 2.5V to 12.6V
  • Input Common Mode Range Includes Both Rails
  • Output Swings Rail-to-Rail
  • Common Mode Rejection Ratio 90dB Typ
  • Unity Gain Stable
  • Low Noise Current: 1.1pA/√Hz
  • Output Current: 30mA Min
  • Operating Temperature Range –40°C to 85°C
  • Low Profile (1mm) SOT-23 (ThinSOT™) Package

The LT6202/LT6203/LT6204 are single/dual/quad low noise, rail-to-rail input and output unity gain stable op amps that feature 1.9nV/√Hz noise voltage and draw only 2.5mA of supply current per amplifier. These amplifiers combine very low noise and supply current with a 100MHz gain bandwidth product, a 25V/μs slew rate, and are optimized for low supply signal conditioning systems.

These amplifiers maintain their performance for supplies from 2.5V to 12.6V and are specified at 3V, 5V and ±5V supplies. Harmonic distortion is less than – 80dBc at 1MHz making these amplifiers suitable in low power data acquisition systems.

The LT6202 is available in the 5-pin TSOT-23 and the 8-pin SO, while the LT6203 comes in 8-pin SO and MSOP packages with standard op amp pinouts. For compact layouts the LT6203 is also available in a tiny fine line leadless package (DFN), while the quad LT6204 is available in the 16-pin SSOP and 14-pin SO packages. These devices can be used as plug-in replacements for many op amps to improve input/output range and noise performance.

Applications

  • Low Noise, Low Power Signal Processing
  • Active Filters
  • Rail-to-Rail Buffer Amplifiers
  • Driving A/D Converters
  • DSL Receivers
  • Battery Powered/Battery Backed Equipment
LT6204
Quad 100MHz, Rail-to-Rail Input and Output, Ultralow 1.9nV√Hz Noise, Low Power Op Amps
Low Noise 4- to 2-Wire Local Echo Cancellation Differential Receiver Product Package 1 Product Package 2 Product Package 3 Line Receiver Integrated Noise 25kHz to 150kHz Product Package 4 Product Package 5 Product Package 6 Product Package 7
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Documentation

Data Sheet 1

Design Note 1

Technical Articles 1

Data Sheet

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LT6204

Analog Photodiode Wizard

Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.

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Signal Chain Designer

Signal Chain Designer is a web-based tool designed to create and simulate complex precision signal chains. See your circuit’s performance before you commit to your PCB: transfer function, noise, power consumption, input range, and DC error. Quickly experiment with different parts and architectures. Signal chains can be exported to LTspice for further analysis.

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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.

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