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Solutions Search - Precision Resistor Networks

LTspice: Worst-Case Circuit Analysis with Minimal Simulations Runs

Joseph Spencer - Field Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Jun 8th 2017
When designing a circuit in LTspice, you may wish to assess the impact of component tolerances. For example, the gain error introduced by non-ideal resistors in an op amp circuit. This article illustrates a method that reduces the number of simulations needed, and as a result speeds your time to results. Varying a Parameter LTSpice ...

Blog Post LTspice 

 

LTC6363 Differential AV = 1/9 Configuration Using an LT®5400 Quad-Matched Resistor Network

Aug 31st 2015
The LTC®6363 is a low power, low noise, fully differential op amp with rail-to-rail outputs optimized to drive low power SAR ADCs. The LTC6363 draws only 1.9mA supply current in active operation and features a shutdown mode which reduces the current consumption to 20μA (VS = 3V). ...

Circuit 

 

DC Accurate Driver for the LTC2377-20 Achieves 2ppm Linearity

Guy Hoover - Applications Engineer Jan 10th 2014
Introduction As resolution and sample rates continue to rise for analog-to-digital converters (ADCs), the driver circuitry for the ADC analog input, not the ADC itself, has increasingly become the limiting factor in determining overall circuit accuracy. First, the driver circuitry must buffer the input signal and provide gain. ...

Blog Post 

 

High Voltage CMOS Amplifier Enables High Impedance Sensing with a Single IC

Jon Munson - Applications Engineer Apr 1st 2013
Introduction Accurately measuring voltages requires minimizing the impact of the instrument connection to the tested circuit. Typical digital voltmeters (DVMs) use 10M resistor networks to keep loading effects to an inconspicuous level, but even this can introduce significant error, particularly in higher voltage circuits that ...

Blog Post 

 

Matched Resistor Networks for Precision Amplifier Applications

Tyler Hutchison - Signal Conditioning Design Engineer May 1st 2012
Introduction Some ideal op amp configurations assume that the feedback resistors exhibit perfect matching. In practice, resistor non-idealities can affect various circuit parameters such as common mode rejection ratio (CMRR), harmonic distortion and stability. For instance, as shown in Figure 1, a single-ended amplifier configured ...

Blog Post 

 

Matched Resistor Networks for Ultraprecision Applications

Greg Zimmer - Senior Product Marketing Engineer Mar 20th 2012
Precision matched resistors are used in a wide range of precision instrumentation applications including measurement and data acquisition, wireless RF, networking, automated test, medical, industrial controls and military equipment. The LT®5400 is a family of quad, precision matched resistors designed for high performance ...

Video 

 

Quad Independent Resistor Networks with Guaranteed CMRR Matching of 0.005% from -40°C to 125°C

May 11th 2011
MILPITAS, CA – May 11, 2011 – Linear Technology introduces the LT5400, its first family of precision matched resistors designed for high performance signal conditioning applications in difference amplifiers, precision dividers, references and bridge circuits. Three resistor network options are in full production today with ...

Press Release 

 

Reference Divide by 4

Apr 29th 2011
The LT5400 is a quad resistor network with excellent matching specifications over the entire temperature range. All four resistors can be accessed and biased independently, making the LT5400 a convenient and versatile choice for any application that can benefit from matched resistors. These resistor networks provide precise ...

Circuit 

 

Difference Amplifier

Apr 29th 2011
The LT5400 is a quad resistor network with excellent matching specifications over the entire temperature range. All four resistors can be accessed and biased independently, making the LT5400 a convenient and versatile choice for any application that can benefit from matched resistors. These resistor networks provide precise ...

Circuit 

 

Precision Single-Ended to Differential Conversion

Apr 29th 2011
The LT5400 is a quad resistor network with excellent matching specifications over the entire temperature range. All four resistors can be accessed and biased independently, making the LT5400 a convenient and versatile choice for any application that can benefit from matched resistors. These resistor networks provide precise ...

Circuit 

 

Reference Divider with Op Amp Input Bias Current Balancing

Apr 29th 2011
The LT5400 is a quad resistor network with excellent matching specifications over the entire temperature range. All four resistors can be accessed and biased independently, making the LT5400 a convenient and versatile choice for any application that can benefit from matched resistors. These resistor networks provide precise ...

Circuit