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BTA21 Datasheet(PDF) 16 Page - BUDDIES TECHNOLOGY LIMITED.

Part # BTA21
Description  Bluetooth Module
PDF  18 Pages
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Manufacturer  BUDDIES [BUDDIES TECHNOLOGY LIMITED.]
Direct Link  http://www.buddies-tech.com/
Logo BUDDIES - BUDDIES TECHNOLOGY LIMITED.

BTA21 Datasheet(HTML) 16 Page - BUDDIES TECHNOLOGY LIMITED.

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BTA21 DATASHEET
16
5.3.4
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
k
THD+N(microphone input)@30mV rms input
-
0.04
-
%
5.3.5
Speaker Output
Speaker Driver
Min
Typical
Max
Unit
Output voltage full scale swing (differential)
-
750
-
mV rms
THD+N 100k
load
-
-
0.01%
%
THD+N 16
load
-
-
0.1%
%
SNR(Load=16 ,
0dBFS
input
relative
to
digital silence)
-
95
-
dB
5.4
Power consumptions
Operating Condition
Min
Typical
Max
Unit
Connected Idle (Sniff 1.28 secs)
0.19
mA
Connected with audio streaming
30
35
40
mA
Deep Sleep Idle mode
60
uA
Table 6
Table 7
Table 8



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