LTC6081

RECOMMENDED FOR NEW DESIGNS

Precision Dual CMOS Rail-to-Rail Input/Output Amplifiers

Data Sheet Product Selection Table
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Overview

  • Maximum Offset Voltage: 70μV (25°C)
  • Maximum Offset Drift: 0.8μV/°C
  • Maximum Input Bias: 1pA (25°C) 40pA (TA ≤ 85°C)
  • Open Loop Voltage Gain: 120dB Typ
  • Gain Bandwidth Product: 3.6MHz
  • CMRR: 100dB Min
  • PSRR: 98dB Min
  • 0.1Hz to 10Hz Noise: 1.3μVP-P
  • Supply Current: 330μA
  • Rail-to-Rail Inputs and Outputs
  • Unity Gain Stable
  • 2.7V to 5.5V Operation Voltage
  • Dual LTC6081 in 8-Lead MSOP and 10-Lead DFN10
  • Packages; Quad LTC6082 in 16-Lead SSOP and DFN Packages

The LTC6081/LTC6082 are dual/quad low offset, low drift, low noise CMOS operational amplifiers with rail-to-rail input/output swing.

The 70μV maximum offset, 1pA input bias current, 120dB open loop gain and 1.3μVP-P 0.1Hz to 10Hz noise make it perfect for precision signal conditioning. The LTC6081/ LTC6082 features 100dB CMRR and 98dB PSRR.

Each amplifier consumes only 330μA of current on a 3V supply. The 10-lead DFN has an independent shutdown function that reduces each amplifier’s supply current to 1μA.

LTC6081/LTC6082 is specified for power supply voltages of 3V and 5V from –40°C to 125°C. The dual LTC6081 is available in 8-lead MSOP and 10-lead DFN10 packages. The quad LTC6082 is available in 16-lead SSOP and DFN packages.

Applications

  • Photodiode Amplifier
  • Strain Gauge
  • High Impedance Sensor Amplifier
  • Microvolt Accuracy Threshold Detection
  • Instrumentation Amplifiers
  • Thermocouple Amplifiers
LTC6081
Precision Dual CMOS Rail-to-Rail Input/Output Amplifiers
Shock Sensor Amplifier (Accelerometer) VOS Drift Histogram Product Package 1 Product Package 2 Product Package 3 Product Package 4
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 2

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Operational Amplifiers (Op Amps) 1
LTC6078
PRODUCTION Micropower Precision, Dual CMOS Rail-to-Rail Input/Output Amplifiers
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Tools & Simulations

LTspice 3

Models for the following parts are available in LTspice:

  • LTC6081

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.

Open Tool

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.

Open Tool

Analog Filter Wizard

Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.

Open Tool
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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