Summary of Microchip adds calibrator to low drift amplifier
The MCP6N11 is a single instrumentation amplifier optimized for single-supply, portable applications with rail-to-rail input/output. It features an on-chip calibration circuit to minimize offset voltage and drift, ensuring high accuracy across temperatures from -40°C to +125°C. With a 500kHz gain bandwidth product and hardware shutdown, it supports industrial and medical uses via 8-pin SOIC or TDFN packages.
Parts used in the MCP6N11 Wheatstone Bridge Reference Design:
- MCP6N11 single instrumentation amplifier
- Two external resistors for gain setting
- Enable/Vos Calibration Pin
- Hardware shutdown pin
- MCP6N11 Wheatstone Bridge Reference Design (ARD00354)
- 8-pin SOIC package option
- 2x3mm TDFN package option
The MCP6N11 single instrumentation amplifier is optimized for single-supply operation with rail-to-rail input and output performance. Two external resistors set the gain, minimizing gain error and drift over temperature. The supply voltage range of 1.8V to 5.5V is low enough to support many portable applications. All devices are fully specified from -40 to +125C.
Features
- Rail-to-rail Input and Output
- Gain Set by 2 External Resistors
- Enable/Vos Calibration Pin
- Operating Voltage Range: 1.8V to 5.5V
- No Common Mode Crossover Distortion
- Extended Temperature Range: -40 to +125C
Introduction video to the MCP6N11 & MCP6V2x Wheatstone Bridge Reference Design located below
Microchip has announces its first instrumentation amplifier and it has designed a novel on-chip calibration circuit.
The instrumentation amp’s calibration circuit is designed to allow of a low initial offset voltage and provides a means of controlling offset drift. “This results in higher accuracy across time and temperature,” said the supplier.
The MCP6N11 amp has gain bandwidth product of 500kHz, and a hardware shutdown pin for power saving.
The device works of 1.8V and its rail-to-rail input and output operation enables full-range use, even in low-supply conditions.
The device is intended for industrial and medical applications.
The chip is offered in 8-pin SOIC and 2x3mm TDFN package options.
Development of the MCP6N11 instrumentation amp is supported by Microchip’s MCP6N11 Wheatstone Bridge Reference Design (ARD00354).
For more read: Microchip adds calibrator to low drift amplifier
-
How does the MCP6N11 achieve high accuracy?
It uses a novel on-chip calibration circuit that allows for low initial offset voltage and controls offset drift. -
What sets the gain of the MCP6N11?
The gain is set by two external resistors which minimizes gain error and drift over temperature. -
Can the device operate at low supply voltages?
Yes, it works on 1.8V and features rail-to-rail input and output operation for full-range use in low-supply conditions. -
Does the MCP6N11 support power saving modes?
Yes, the device includes a hardware shutdown pin for power saving. -
What are the available package options for this chip?
The chip is offered in 8-pin SOIC and 2x3mm TDFN package options. -
Is the MCP6N11 suitable for industrial applications?
Yes, the device is intended for industrial and medical applications. -
What is the gain bandwidth product of the device?
The MCP6N11 amp has a gain bandwidth product of 500kHz. -
Does the amplifier suffer from common mode crossover distortion?
No, the device features no common mode crossover distortion.
