User's Manual

FLC-BTM501 Datasheet
Flaircomm Microelectronics Confidential
-23-
5.3.4 Internal CODEC - Digital to Analogue Converter
Parameter
Min
Typical
Max
Unit
Resolution
-
-
16
Bits
Output Sample Rate, Fsample
8
-
48
kHz
Signal / Noise, f
in
=1kHz, BW=20Hz-
>20kHz A-Weighted THD+N<0.01%
0dBFS signal Load-100kΩ
F
sample
= 8kHz
-
95
-
dB
F
sample
= 11.025kHz
-
95
-
dB
F
sample
= 16kHz
-
95
-
dB
F
sample
= 22.05kHz
-
95
-
dB
F
sample
= 32kHz
-
95
-
dB
F
sample
= 44kHz
-
95
-
dB
F
sample
= 48kHz
-
95
-
dB
Digital Gain
-24
-
21.5
dB
Gain Resolution
1/32
dB
Table 12: Digital to Analogue Converter
5.3.5 Microphone Input
Microphone Input
Min
Typical
Max
Unit
Input full scale at maximum gain
-
4
-
mV rms
Input full scale at minimum gian(differential)
800
-
mV rms
Gain
-3
-
42
dB
Gain resolution
-
3
-
dB
Distortion at 1kHz
-
-
-74
dB
3dB Bandwidth
-
20
kHz
Input impedance
-
6
THD+N(microphone input)@30mV rms input
-
0.04
-
%
Table 13: Microphone Input
5.3.6 Speaker Output
Speaker Driver
Min
Typical
Max
Unit
Output voltage full scale swing (differential)
-
750
-
mV rms
THD+N 100kΩ load
-
-
0.01%
%
THD+N 16Ω load
-
-
0.1%
%
SNR(Load=16Ω, 0dBFS input relative to digital
silence)
-
95
-
dB
Allowed Load
Resistive
16(8)
-
O.C.
Ω
Capacitive
-
-
500
pF
Table 14: Microphone Output