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Part Number: MCP651EV-VOS

MCP651 INPUT OFFSET EVALUATION BOARD


  • Test Points for inputs (bias the DUT at any desired point), outputs (to measure VOS and the DUT's supply current) and others (power supplies, setting the MCP651's VCAL voltage, etc.)
  • Potentiometer to set MCP651's VCAL voltage
  • Push button switch to initiate a calibration sequence in the MCP651
  • DIP switch to select either high or low gain for the measured offset (VOS)
  • DUT footprints for either SOIC-8 or PDIP-8 parts

Overview


The MCP651 Input Offset Evaluation Board is intended to provide a simple means to measure the MCP651 Input Offset Evaluation Board op amp’s input offset voltage under a variety of operating conditions. The measured input offset voltage (VOST) includes the input offset voltage specified in the data sheet (VOS) plus changes due to: power supply voltage (PSRR), common mode voltage (CMRR), output voltage (AOL), input offset voltage drift over temperature (ΔVOS/ΔTA) and 1/f noise.

The MCP651 Input Offset Evaluation Board works most effectively at room temperature (near +25°C). Measurements at other temperatures should be done in an oven where the air velocity is minimal.

Package Contents
The MCP651 Input Offset Evaluation Board is intended to provide a simple means to measure the MCP651 Input Offset Evaluation Board op amp’s input offset voltage under a variety of operating conditions. The measured input offset voltage (VOST) includes the input offset voltage specified in the data sheet (VOS) plus changes due to: power supply voltage (PSRR), common mode voltage (CMRR), output voltage (AOL), input offset voltage drift over temperature (ΔVOS/ΔTA) and 1/f noise.

The MCP651 Input Offset Evaluation Board works most effectively at room temperature (near +25°C). Measurements at other temperatures should be done in an oven where the air velocity is minimal.

Documentation


Title
Document Id
MCP6V01/2/3 Data Sheet Download 721cc0a5-1632-4890-9a2f-a00f2b33775c
MCP651 Input Offset Evaluation Board User's Guide Download 0fc88635-024d-4408-9564-39c4c10e25d7
MCP651 Input Offset Evaluation Board Gerbers Download 41456c41-354a-4158-ac00-e6e46c66f1b8

Application Notes


Title
Date
Document Category
Op Amp Precision Design: PCB Layout Techniques 03 Jul 2012 Link Application Notes
Op Amp Precision Design: DC Errors 12 Mar 2008 Link Application Notes