Overview

Features and Benefits

  • Low Noise Voltage: 1.1nV/√Hz
  • Low Supply Current: 3.5mA/Amp Max
  • Low Offset Voltage: 350μV Max
  • Gain Bandwidth Product:
    • LT6230: 215MHz; AV ≥ 1
    • LT6230-10: 1450MHz; AV ≥ 10
  • Wide Supply Range: 3V to 12.6V
  • Output Swings Rail-to-Rail
  • Common Mode Rejection Ratio: 115dB Typ
  • Output Current: 30mA
  • Operating Temperature Range: –40°C to 85°C
  • LT6230 Shutdown to 10μA Maximum
  • LT6230/LT6230-10 in a Low Profile (1mm) ThinSOT Package
  • Dual LT6231 in 8-Pin SO and Tiny DFN Packages
  • LT6232 in a 16-Pin SSOP Package

Product Details

The LT6230/LT6231/LT6232 are single/dual/quad low noise, rail-to-rail output unity-gain stable op amps that feature 1.1nV/√Hz noise voltage and draw only 3.5mA of supply current per amplifier. These amplifiers combine very low noise and supply current with a 215MHz gain-bandwidth product, a 70V/μs slew rate and are optimized for low supply voltage signal conditioning systems. The LT6230-10 is a single amplifier optimized for higher gain applications resulting in higher gain bandwidth and slew rate. The LT6230 and LT6230-10 include an enable pin that can be used to reduce the supply current to less than 10μA.

The amplifier family has an output that swings within 50mV of either supply rail to maximize the signal dynamic range in low supply applications and is specified on 3.3V, 5V and ±5V supplies. The en • √ISUPPLY product of 1.9 per amplifier is among the most noise efficient of any op amp.

The LT6230/LT6230-10 are available in the 6-lead SOT‑23 package and the LT6231 dual is available in the 8-pin SO package with standard pinouts. For compact layouts, the dual is also available in a tiny dual fine pitch leadless package (DFN). The LT6232 is available in the 16-pin SSOP package.

Applications

  • Ultrasound Amplifiers
  • Low Noise, Low Power Signal Processing
  • Active Filters
  • Driving A/D Converters
  • Rail-to-Rail Buffer Amplifiers

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (2)

Tools & Simulations

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.

LTspice

Models for the following parts are available in LTspice:

LT6230
LT6230-10

Product Recommendations

LT6230 Companion Parts

Recommended ADCs

Recommended Related Parts

Design Resources

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.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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Evaluation Boards Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.