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CD3268 Scheda tecnica(PDF) 7 Page - Texas Instruments

Il numero della parte CD3268
Spiegazioni elettronici  CD326x Audio Interface Transmitter for Specially Enabled Headsets
PDF  35 Pages
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Produttore elettronici  TI2 [Texas Instruments]
Homepage  https://www.ti.com
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CD3268 Scheda tecnica(HTML) 7 Page - Texas Instruments

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6 Parameter Measurement Information
This section shows design schematics for select performance measurements.
6.1 eN-MIC Microphone Integrated Noise Measurement
VSHUNT
MIC
TONE
MICPWR
GND
REM
CD326x
20k
VMICBIAS
2.84V
1k
100nF
Meter
200pF
2.21k
100nF
VMIC must rise above 2.35V (typ) to enter tone mode before measurement.
Figure 6-1. Test Set-up for MIC Integrated Noise
6.2 Current Measurements
VSHUNT
MIC
TONE
MICPWR
GND
REM
CD326x
VMICBIAS
2.1V
2k
100nF
2.21k
+
–
IMICBIAS
Figure 6-2. Test Set-up for Button Mode Current Measurement
www.ti.com
CD3268A, CD3269A
SCHS463 – MAY 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: CD3268A CD3269A



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