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LT1801CS8#TRPBF

Dual 80MHz RRIO op-amp, 25V/us, 350uV Vos, SOIC-8

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Manufacturer Part：

LT1801CS8#TRPBF

Package：

SOIC-8 (narrow 0.15 inch, 4.9 x 3.9 mm)

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Description

Product Overview

The LT1801CS8#TRPBF from Analog Devices is a dual 80MHz, 25V/µs low-power rail-to-rail input and output precision operational amplifier in an 8-lead SOIC (narrow 0.15 inch) package. It offers excellent DC precision with 350 µV max input offset voltage and 250 nA max input bias current, combined with high-speed performance for signal processing applications.

Key Specifications

Number of Channels 2 (dual)
Gain Bandwidth Product 80 MHz
Slew Rate 25 V/µs
Input Offset Voltage 350 µV max (25°C)
Input Bias Current 250 nA max
Supply Voltage Range 2.3V to 12.6V (single or split)
Supply Current 1.8 mA per amplifier typical
Output Swing Rail-to-rail (within 20mV)
Operating Temperature -40°C to +85°C
Package SOIC-8 (narrow 0.15 inch)

Features

  • 80 MHz gain bandwidth product
  • Rail-to-rail input and output
  • Low quiescent current: 1.8 mA per amplifier
  • Input offset voltage: 350 µV max
  • Input bias current: 250 nA max
  • Common-mode rejection: 105 dB typical
  • Power supply rejection: 97 dB typical
  • Open-loop gain: 85 V/mV typical
  • Low voltage noise: 8.5 nV/sqrt(Hz)

Applications

  • Low-voltage high-frequency signal processing
  • Driving A/D converters
  • Rail-to-rail buffer amplifiers
  • Active filters
  • Video line drivers

The LT1801CS8#TRPBF is a dual low-power high-speed rail-to-rail input and output precision operational amplifier from Analog Devices (formerly Linear Technology). It combines 80 MHz bandwidth with 25 V/µs slew rate and excellent DC precision including 350 µV max input offset voltage and 250 nA max input bias current. The rail-to-rail input and output capability maximizes signal dynamic range in low-voltage applications. The device is specified for supply voltages from 2.3V to 12.6V and can be used as a plug-in replacement for many standard dual op amps to improve performance.

The LT1801 uses a complementary input stage with both NPN and PNP differential pairs to achieve rail-to-rail input common-mode range. When the input voltage is near the negative rail, the PNP pair is active; near the positive rail, the NPN pair takes over. The output stage uses a complementary push-pull configuration that swings within 20 mV of either supply rail under light load. The amplifier is frequency-compensated for unity-gain stability, achieving 80 MHz GBW. Internal trimming ensures low offset voltage without external adjustment. The 8.5 nV/sqrt(Hz) input voltage noise density makes it suitable for precision signal conditioning.

Pin Name Type Function
1 OUT A Output Amplifier A output
2 -IN A Input Amplifier A inverting input
3 +IN A Input Amplifier A non-inverting input
4 V- Power Negative supply / ground
5 +IN B Input Amplifier B non-inverting input
6 -IN B Input Amplifier B inverting input
7 OUT B Output Amplifier B output
8 V+ Power Positive supply (2.3-12.6V)
  • Low-voltage high-frequency signal processing and data acquisition
  • Driving high-speed A/D converters with rail-to-rail swing
  • Active filter stages requiring wide bandwidth and low noise
  • Video line drivers and buffer amplifiers
  • Precision instrumentation amplifiers in battery-powered systems
Manufacturer Part Number Package Notes
Analog Devices LT1801CMS8#TRPBF MSOP-8 Same die, smaller MSOP package
Analog Devices LT1801CDD#TRPBF DFN-8 3x3mm DFN, smallest footprint
Analog Devices LT1802CS8#PBF SOIC-14 Quad version of same amplifier
TI OPA2830IDR SOIC-8 Dual RRIO, 50MHz, lower cost
Maxim MAX44248ASA+ SOIC-8 Dual RRIO, low offset, comparable BW
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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