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PCM1822 Datasheet(PDF) 30 Page - Texas Instruments

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Part # PCM1822
Description  PCM1822 Stereo Channel, 32-Bit, 192-kHz, Burr-BrownTM Audio ADC
PDF  41 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCM1822 Datasheet(HTML) 30 Page - Texas Instruments

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9.2.3 Application Curves
Measurements are done on the EVM by feeding the device analog input signal using audio precision and with a
3.3-V AVDD supply.
Frequency (Hz)
20 30 4050 70 100
200 300 500
1000
2000
5000
10000 20000
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
Channel-1 DRE enabled
Channel-2 DRE enabled
Figure 9-2. FFT With a –60-dBr Input With DRE
Enabled
Input Amplitude (dB)
-130
-115
-100
-85
-70
-55
-40
-25
-10
0
-130
-120
-110
-100
-90
-80
-70
-60
THD+
Channel-1 : DRE Enabled
Channel-2 : DRE Enabled
Figure 9-3. THD+N vs Input Amplitude With DRE
Enabled
Frequency (Hz)
20 30 4050 70 100
200 300 500
1000
2000
5000
10000 20000
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
Channel-1 DRE disabled
Channel-2 DRE disabled
Figure 9-4. FFT With a –60-dBr Input With DRE
Disabled
Figure 9-5. THD+N vs Input Amplitude With DRE
Disabled
PCM1822
SBASAK0 – DECEMBER 2020 – REVISED MAY 2022
www.ti.com
30
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: PCM1822



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