User's Manual

BM63SPKA1MGA
ISSC Confidential (Version: 1.2) - 18 - 10/15/2014
Table 6: Audio codec ADC
Conditions
Min
Typ
Max
Unit
Temperature
-40
25
85
℃
Resolution
16
Bits
Input sample rate, F
sample
8KHz for MIC
44.1/48KHz for Line-in
8
48
KHz
Signal to Noise Ratio
(SNR @MIC or Line-in mode)
f
in
=1KHz
B/W=20~20KHz
(A-weighted)
THD+N < 1%
2.26Vpp input
8KHz
90
92
dB
44.1/
48KHz
90
92
Digital Gain
-54
4.85
dB
Digital Gain Resolution
2~6
dB
MIC Boost Gain
20
PGA Analog Gain
-6
26
dB
Analog Gain step
1
dB
Input full-scale at maximum
gain (differential)
4
(AVDD=2.8V)
mV
RMS
Input full-scale at minimum
gain (differential)
Note:
Input V
PP
=0.8*AVDD
800
(AVDD=2.8V)
mV
RMS
3dB bandwidth
20
KHz
Microphone mode
input impedance
Input impedance
6
10
KΩ
Input capacitance
20
pF
THD+N (microphone input)
@30mV
RMS
input
0.02
%
THD+N (line input)
0.04
%
ADC channels
2
Analog supply voltage
2.6
2.8
3.0
V
Digital supply voltage
1.08
1.2
1.32
V
Crosstalk @line-in mode
42
45
48
dB