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  • TAA52xx Power Consumption Matrix Across Various Usage Scenarios

    • SBAA609 December   2024 TAA5212 , TAA5242

       

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  • TAA52xx Power Consumption Matrix Across Various Usage Scenarios
  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Target Mode Power Consumption with PLL Disabled
  6. 3Target Mode Power Consumption With PLL Enabled
  7. 4Digital Microphone Power Consumption
  8. 5Settings for Lowest Power Consumption
  9. 6Summary
  10. 7References
  11. IMPORTANT NOTICE
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Application Note

TAA52xx Power Consumption Matrix Across Various Usage Scenarios

Abstract

This application note details the power consumption of TAA52xx devices across various usage scenarios. Applicable devices include:

  • TAA5242
  • TAA5212

Trademarks

All trademarks are the property of their respective owners.

1 Introduction

Power consumption in TAA52xx devices is highly dependent on the enabled features and usage scenarios. The following tables summarize the power consumption across:

  • Supply voltage
  • Sampling frequency
  • Enabled channel count
  • Decimation filter
  • Bit clock to frame sync ratio
  • PLL state (enabled or disabled)
  • Converted word length

The following tables report the average idle-channel current consumed on the analog supply (AVDD). This supply includes all the internal analog and digital circuits but excludes the current consumed by the I/O (input/output) pins due to application dependencies. I/O power is dependent upon:

  • Load capacitance of the system bus interface
  • Data output clock rate
  • Data conversion output activity
  • Bus interface pullup or pulldown
  • Frequency of I2C commands sent by the host

 

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