User's Manual

Flairmesh Technologies Confidential -13-
Input impedance
0dB to 24dB analog gain
-
20
-
k Ω
27dB to 39dB analog gain
-
10
-
k Ω
Signal to Noise Ratio, SNR
f
in
=1kHz 48kHz F
sample
B/W=20Hz->20kHz
A-Weighted THD+N < 0.1%
2.4V pk-pk input (0dB gain)
-
101.1
-
dBA
THD+N
f
in
=1kHz 48kHz 2.4V pk-pk
input (0dB gain)
-
85.9
-
dB
Digital Gain
Digital Gain Resolution =
1/32
-24
-
21.5
dB
Analog Gain
3dB Steps
0
-
39
dB
Tabl e 10: High-quality Single Ended Audio Input
2.3.7 High-quality (HQADC) Differential Audio Input
Parameter
Conditions
Min
Typ
Max
Unit
Output Sample Width
-
-
-
24
Bits
Output Sample Rate,
F
sample
-
8
-
96
kHz
Input level
-
-
-
2.4
V pk-pk
Input impedance
0dB to 24dB analog gain
-
20
-
k Ω
27dB to 39dB analog gain
-
10
-
k Ω
Signal to Noise Ratio, SNR
f
in
=1kHz 48kHz F
sample
B/W=20Hz->20kHz
A-Weighted THD+N < 0.1%
2.4V pk-pk input (0dB gain)
-
99.4
-
dBA
THD+N
f
in
=1kHz 48kHz 2.4V pk-pk
input (0dB gain)
-
95.5
-
dB
Digital Gain
Digital Gain Resolution =
1/32
-24
-
21.5
dB
Analog Gain
3dB Steps
0
-
39
dB
Tabl e 11: Class-D DAC Audio Output
2.3.8 Microphone Bias
Parameter
Conditions
Min
Typ
Max
Unit
Output voltage (Tunable,
step = 0.1V)
-
1.5
-
2.1
V