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Specifications are subject to change without notice
9-3 Built-in Audio-ADC Characteristics
Test Condition:
DSP MIC1 Gain = 0 (0)
DSP MIC2 Gain = 0dB.(2000)
Echo level = 0 dB
Measure SPDIF output.
CIC filter right shift 3 bit
Test signal : 1K Hz sin wave
Max Input (with output THD+N <60
dbfs)
DC bias level
Test signal : 1K Hz sin wave
Input (Vpp)
3V
2.828V
2.75V
2.5V
2V
1.5V
1V
0.5V
Test signal : 2.828 Vpp
Input frequency:
1 KHz
4KHz
8khz
16KHz
20KHz
22KHz
MIC threshold=0
Apwin output Z= 600
Vpp(V)
Output
THD+N(dBFs)
Amp(dBFS)
22
MEDIATEK CONFIDENTIAL, NO DISCLOSURE
2.9
1.3
-45
-65
-65.6
-66
-66.5
-66.7
-66.6
-67.8
-0.544
-0.574
-0.66
-0.981
-1.24
-2.44
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