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Overview
Features and Benefits
- Low Noise: 1.1nV/√Hz
- Low Supply Current: 3.5mA/Amp Max
- Low Offset Voltage: 350μV Max
- Fast Settling Time: 570ns to 18-Bit, 2VP-P Output
- Low Distortion: THD = –116.8dB at 2kHz
- Wide Supply Range: 3V to 12.6V
- Output Swings Rail-to-Rail
- 215MHz Gain-Bandwidth Product
- Specified Temperature Range: –40°C to 125°C
- LT6236 Shutdown to 10μA Max
- LT6236 in Low Profile (1mm) ThinSOT™ Package
- Dual LT6237 in 3mm × 3mm 8-Lead DFN and 8-Lead MSOP Packages
- LT6238 in 16-Lead SSOP Package
Product Details
The LT6236/LT6237/LT6238 are single/dual/quad low noise, rail-to-rail output op amps that feature 1.1nV/√Hz input referred noise voltage density 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 and a 70V/μs slew rate. Low noise, fast settling time and low offset voltage make this amplifier optimal to drive low noise, high speed SAR ADCs. The LT6236 includes a shutdown feature that can be used to reduce the supply current to less than 10μA.
This 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 LT6236/LT6237/LT6238 are upgrades to the LT6230/LT6231/LT6232, offering similar performance with reduced wideband noise beyond 100kHz.
Applications
- 16-Bit and 18-Bit SAR ADC Drivers
- Active Filters
- Low Noise, Low Power Signal Processing
Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
Documentation
Reliability Data (1)
Evaluation Kit Manuals (1)
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.
Models for the following parts are available in LTspice:
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Product Selector Card (1)
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.
