Figure 2-11. External Mics: 4X Digital Microphones; Figure 2-12. External Mics: 2X Analog And 2X Digital - Texas Instruments ADCx120EVM-PDK User Manual

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Figure 2-12. External Mics: 2x Analog and 2x Digital Microphones
SBAU359A – MAY 2019 – REVISED JUNE 2021
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DMIC1/2
GND
PDMOUT
AVDD

Figure 2-11. External Mics: 4x Digital Microphones

AMIC1
AMIC2
GND
-
+
-
AVDD
PDMCLK
*Requires AVDD = IOVDD
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PDMCLK
PDMCLK
GND
PDMOUT
AVDD
GND
+
AVDD
PDMOUT
AVDD
ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module
Hardware Overview
DMIC3/4
DMIC1/2
GND
11