MCP6S26-I/ST

Overview

The MCP6S26-I/ST is a six-channel analog programmable gain amplifier (PGA) from Microchip Technology, housed in a 14-pin TSSOP package. It supports single-supply operation between 2.5V and 5.5V with a typical quiescent current of 1.0 mA. The device features an SPI interface for configuring gains ranging from +1 V/V to +32 V/V and selecting one of six input channels. Key electrical specifications include a maximum input offset voltage of ±275 µV, a bandwidth of 2 MHz to 12 MHz, and rail-to-rail input and output capabilities.

Feature Summary

• Integrates a multiplexer and amplifier controlled via a serial peripheral interface
• Provides rail-to-rail input and output performance for single-supply applications
• Supports shutdown mode to minimize power consumption

Applications

• A/D converter driver circuits
• Multiplexed analog signal acquisition systems
• Industrial instrumentation data collection
• Medical instrumentation signal conditioning

Procurement Notes

Verify the specific suffix 'I/ST' corresponds to the industrial temperature range (-40°C to +85°C) and the 14-lead Thin Shrink Small Outline Package (TSSOP). Confirm that the ordering part number matches the exact channel count and package style required for your PCB layout. Cross-reference the manufacturer datasheet revision to ensure compatibility with your design specifications.

Selection Notes

Select this component when a multi-channel signal path requires digital gain adjustment without external resistor networks. The integrated multiplexer reduces board space compared to discrete solutions. Ensure the application operates within the specified 2.5V to 5.5V supply range and utilizes an SPI master capable of the required clock speeds for reliable configuration.

Part Context

This device belongs to the MCP6S2X family of programmable gain amplifiers, which includes variants with one, two, or eight channels. The MCP6S26 specifically provides six selectable inputs, bridging the gap between the dual-channel MCP6S22 and the octal-channel MCP6S28. All family members share similar SPI control logic and electrical characteristics optimized for low noise and high speed.

Replacement Considerations

Compatible substitutes within the same product line include the MCP6S21, MCP6S22, and MCP6S28. These parts offer identical functionality but differ in the number of available input channels. Verify pinout compatibility if substituting directly on existing hardware.