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The LTC6081CMS8 is a dual-channel, low-offset, low-drift, low-noise CMOS operational amplifier with rail-to-rail input/output swing.

With a maximum offset of 70μV, an input bias current of 1pA, an open-loop gain of 120dB, and noise of 1.3μVP-P from 0.1Hz to 10Hz, it is an ideal choice for precise signal conditioning. The LTC6081CMS8 features a common-mode rejection ratio (CMRR) of 100dB and a power supply rejection ratio (PSRR) of 98dB.

When using a 3V power supply, each amplifier consumes only 330μA of current. The device, packaged in a 10-pin DFN package, features an independent shutdown function that reduces the power supply current of each amplifier to 1μA.

The specifications for the LTC6081CMS8 are tailored for 3V and 5V supply voltages and a temperature range of -40°C to 125°C. The dual-channel LTC6081CMS8 is available in an 8-pin MSOP package.

LTC6081CMS8 Product Features

Maximum bias voltage: 70µV (25°C)

Maximum bias drift: 0.8µV/°C

Maximum input bias current: 1pA (25°C) 40pA (TA ≤ 85°C)

Open-loop voltage gain: 120dB (typical)

Gain-bandwidth product: 3.6MHz  

Common-mode rejection ratio (CMRR): 100dB minimum  

Power supply rejection ratio (PSRR): 98dB minimum  

Noise from 0.1Hz to 10Hz: 1.3µVP-P  

Supply current: 330µA  

Rail-to-rail input and output

Unit gain stable  

Operating voltage: 2.7V to 5.5V  

Dual-channel LTC6081 in an 8-pin MSOP package  

LTC6081CMS8 Product Applications  

Photodiode amplifiers  

Strain gauges  

High-impedance sensor amplifiers  

Threshold detection with accuracy down to the microvolt (μV) level  

Instrumentation amplifiers  

Thermocouple amplifiers

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