Analog: Amplifiers and Linear

Microchip

Amplifiers and Comparators

From the simplest to the most complex design scenarios, Microchip’s extensive portfolio of amplifier and comparator products enable low risk solutions that remove the fear of forced redesign with our embracing a customer-driven obsolescence policy. Known for our thorough documentation, our datasheets characterize how the parts work and why, providing parts that work on the bench the same way they’re described on paper. Design risk and complexity is further reduced with integrated features such as on-chip filters to reduce electromagnetic interference, integrated references and hardware enable pins (on select devices).

Highlights

  • Extend battery runtime with operating voltages as low as 1.4V and quiescent currents as low as 450 nA
  • Additional electromagnetic filtering on select devices provide additional protection in electrically harsh environments
  • Small packages such as SOT-23 and leadless DFN are ideal for space constrained designs
  • A wide operating temperature range of -40°C to +125°C provides a robust solution even at temperature extremes


Low-Power, High-Performance Operational Amplifiers

Microchip's portfolio of operational Amplifiers (op amps) can address virtually any design requirement. From cost-effective general-purpose amplifiers to precision amplifiers that minimize errors resulting from harsh electrical environments, our op amps minimize development risk and increase system performance by providing reliable, well-documented functionality for years to come.

General-Purpose Amplifiers

  • Wide selection of bandwidths, from 9 kHz to 80 MHz, to address a wide variety of applications
  • Extend battery runtime with operating voltages as low as 1.4V and quiescent currents as low as 450 nA
  • Additional electromagnetic filtering on select devices provides extra protection in electrically harsh environments

Precision Amplifiers

  • Maximum input offsets below 250 µV to enable high-accuracy designs
  • Extend battery runtime with operating voltages as low as 1.8V and ultra-low quiescent currents for the given bandwidth
  • A wide operating temperature range of -40°C to +125°C provides a robust solution even at extreme temperatures

Zero-Drift Amplifiers

  • Industry-leading accuracy performance with maximum offsets as low as 2 µV
  • Offset drift as low as 15nV/°C which enables accuracy across temperature extremes
  • Additional electromagnetic filtering on select devices provide additional protection in electrically harsh environments

Differential Amplifiers

  • Industry-leading low input offsets of less than 150 µV to enable high-accuracy signal measurement
  • Designed for low distortion and fast settling to maintain signal integrity, even at high speeds
  • Ideal for use with Microchip’s family of high-speed SAR ADCs, the driver allows a system to take advantage of the full performance of the converter across a wide range of operating conditions

Instrumentation Amplifiers (INA)

Microchip offers Instrumentation Amplifiers (INAs) that include internal matched feedback and are ideal for data acquisition applications. The ability to accurately extract a small signal in the presence of a large common-mode makes these INAs ideal for sensor amplification. EMI (electromagnetic interference) filtering on select devices maintains excellent performance in the most demanding environments.

Highlights

  • Using high-precision architectures enables superior DC performance, regardless of operating conditions
  • Low noise and additional EMI filtering on the inputs provide additional protection in electrically noisy environments
  • Small packages, such as leadless DFNs, are ideal for space-constrained designs
  • A wide operating temperature range of –40°C to +125°C provides a robust solution even at extreme temperatures

Low Power, High Flexibility Comparators

Microchip's highly flexible portfolio of comparator solutions, including devices with integrated references, multiple output configurations and windowed comparators, enables highly integrated, low-risk, low-power design options.
 
Highlights
  • Wide selection of speeds, offering propagation delays from 12 µs to 47 ns to address a wide variety of applications
  • Extend battery run time with ultra-low quiescent current down to 600 nA and operating voltages down to 1.5V
  • Windowed comparators in small 1.6 × 1.6 mm TDFN packages for space-constrained designs

Programmable Gain Amplifiers (PGA)

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Microchip’s Programmable Gain Amplifier (PGA) portfolio includes low-cost, general-purpose PGAs for cost-sensitive applications. For applications that require higher levels of accuracy, we offer a family of precision PGAs that delivers higher performance. We also offer families that support a standard Serial Peripheral Interface (SPI) and on-chip multiplexer as well as devices that offer pin-programmable gain options. These highly integrated devices are ideal for space-constrained applications.

Highlights

  • Integrated mux reduces design complexity by providing up to eight input channels
  • Factory trimming provides a low maximum input voltage of only 275 µV to maintain high levels of gain accuracy
  • Selectable gains up to 32x with eight gain options provide additional system flexibility
  • MCP6G0x series offers pin-selectable gains of 1x, 10x and 50x without the use of external resistors, reducing component count and solution size


Current Sense Amplifiers

The need to accurately measure a dynamic current is critical in a wide variety of applications, such as monitoring or charging batteries, creating a current controlled feedback loop for a power supply or motor, or simply to monitor current levels for safety reasons. Our current sense amplifiers provide a high-flexibility, high-precision solution to maximize efficiency and reliability with a zero-drift architecture, which makes your design more robust across a wide range of environmental conditions and applications.

Highlights

  • A wide specified input common-mode range provides the flexibility to address a variety of voltage rails, including overhead for transients
  • The zero-drift architecture enables ultra-low offsets, allowing you to use smaller shunt resistors without sacrificing resolution
  • Integrated, on-chip Electromagnetic Interference (EMI) filters reduce high-frequency interference and are ideal for harsh, electrically noisy environments


Current/Power/Energy Monitor ICs

Systems designers know that before they can manage power, they need to measure it. Our power monitor ICs measure power, voltage, current and energy accumulation. For power monitoring from 0 to 40V, our high-side current sensors include an I2C interface that is perfect for embedded computing, networking, industrial and artificial intelligence. To get ahead of the thermal curve, we also offer several devices that integrate both current and temperature sensors.

Key Benefits of our Power Monitoring Solutions

  • Calculate power, reducing host code overhead
  • Require no filter circuits, saving circuitry costs
  • Sampling up to 2 seconds to deliver a better understanding of power consumption
  • Peak detection with duration setting to provide a unique energy alert

Featured Power Monitoring ICs

Featured AC Power Monitoring ICs

 

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