Product Specs
Stereo separation (rosstalk)
-
80
-
-
dB
4.7.3High-quality (HQ ADC) differential audio input
Parameter
Conditions
Min
Typ
Max
Unit
Output Sample Width
-
-
-
24
Bits
Output Sample Rate,Fsample
-
8
-
96
kHz
Input level
-
-
-
2.4
V pk-pk
Input impedance
dB to 24dB analog gain 0
-
20
-
kΩ
27 dB to 39dB analog gain
-
10
-
kΩ
SNR
kHz fin =1
48 kHz Fsample
B/W =20 Hz B/W =20 kHz A-Weighted
THD+N<0.1 per cent
2.4 V pk-pk input (0dB gain)
-
100
-
dBA
THD+N
kHz fin =1
48 kHz Fsample
B/W =20 Hz B/W =20 kHz
2.4 V pk-pk input (0dB gain)
-
-91
-
dB
Digital gain
Digital gain resolution =1/32
-24
-
21.5
dB
Analog gain
3 dB steps 3
0
-
39
dB
Stereo separation
(rosstalk)
-
80
-
-
dB
4.7.4Microphone bias
Parameter
Conditions
Min
Typ
Max
Unit
Output voltage,
step =0.1 V)
-
1.5
-
2.1
V
Output current capability
-
0.07
-
3.0
mA
Output noise
B/W =20 Hz B/W =20 kHz
Unweighted
4.5
5.1
7.3
μVrms
Crosstalk Between
Microphones
Using recommended
application circuit
-
80
-
dB
4.8 Digital terminal features
Min
Typ
Max
Unit
VDD_PADS supply
1.7
1.8
3.6
V
VIL input logic level low
-
-
0.22 x
VDD_PADS
V
VIH input logic level high
0.7 x
VDD_PADS
-
-
V
Drive current (configurable)
2, 4, 8, 12
4
-
mA
VOL output logic level low,at max rated drive
-
-
0.22 x
VDD_PADS
V
VOH output logic level high,at max rated drive
x 0.75
VDD_PADS
-
-
V
Strong pull (up & down)
15
65
150
k Ω
Weak pull (up & down)
500
2200
5000
k Ω