BTB15631 supports “AiroStereo”which two speakers can connect to each other,play left channel in one speaker and play rightchannel in another speaker as a wireless stereo system.AiroStereo can let end users have great stereo experience without wire connection.
a. 支持HFP，HSP，AVRCP，A2DP，SPP協議;
b. Embedded 48MIPS Dual-MAC DSP Coprocessor;
c. Support for noise reduction and echo cancellation;
d. Multi-band configurable EQ;
e. Support for voice prompt;
f. Integrated Li-ion battery charger supports 400mA fast charging and over-dischargingprotection;
系統框架
The main application of BTB15631 is Mono A2DP solution.The application block diagram is illustrated as below
Mono A2DP Application Block Diagram
The application of AiroStereo is illustrated as below
產品外觀及接口定義
TOPOVERLAY:
BOTTOMOVERLAY:
MFB
長按：關機,配對
短按：接聽/掛斷電話,播放,暫停,開機
雙擊：兄弟配對
電氣特性
電氣參數
|
BTB15631
|
Item
|
Min
|
Typ
|
Max
|
Unit
|
Note
|
|
工作電壓
|
3
|
3.7
|
4.2
|
V
|
鋰電
|
|
工作電流
|
|
|
18
|
mA
|
HFP
|
|
工作電流
|
|
|
23
|
mA
|
A2dp＆32Ω
|
|
待機電流
|
|
|
1
|
mA
|
|
|
關機電流
|
|
|
2
|
μA
|
|
|
充電電流
|
|
|
|
mA
|
3.0~4.2V
|
音頻參數
|
parameter
|
Conditions
|
Min
|
Type
|
Max
|
Ubit
|
|
|
-
|
-
|
-
|
16
|
Bits
|
|
SNR
|
fin=1kHZ
B/W=20HZ-20KHz
A-Weighted
THD+N<0.01%
0dBFS input
|
|
|
8
|
-
|
96
|
KHz
|
|
Faample
|
Load
|
|
|
48KHZ
|
100KΩ
|
-
|
94
|
-
|
DB
|
|
48KHZ
|
32Ω
|
-
|
94
|
-
|
DB
|
|
THD+N
|
fin=1kHZ
B/W=20HZ-20KHz
0dBFS input
|
Faample
|
Load
|
|
|
8KHZ
|
100KΩ
|
-
|
0.0025
|
-
|
%
|
|
8KHZ
|
32KΩ
|
-
|
0.0056
|
-
|
%
|
|
48KHZ
|
100KΩ
|
-
|
0.0027
|
-
|
%
|
|
48KHZ
|
32KΩ
|
-
|
0.0067
|
-
|
%
|
|
Digital Gain
|
DigitalGain Resolution=3dB
|
-47
|
-
|
-6
|
DB
|
|
Analogue Gain
|
Analogue Gain Resolution=3dB
|
-0
|
-
|
0
|
DB
|
|
Stereo separation(crosstalk
|
NC
|
NC
|
NC
|
DB
|
射頻參數
|
Items
|
Limits
|
|
Output Power
|
|
-6 dBm <Pav<+4dbm(Class2)
|
|
|
Ppk < +23dBm
|
|
Power Control
|
|
≦ 8.00dB
|
|
Max Power Step
|
≧ 2.00dB
|
|
Initial Carrier
|
|
≦ 2 5kHz
|
|
|
≦ 2 5kHz
|
|
Modulation
Characteristic
|
|
140kHz < F1 < 175kHz
|
|
|
>= 115 kHz
|
|
|
|
>= 0.8
|
|
Sensitivity
|
BDR Single-slot Sensitivity
|
BER <= 0. 1 % at 1Mbps 80dBm
|
BDR Single-slot Sensitivity
|
BER <= 0. 1 % at 1Mbps 80dBm
|
|
|
|
BER <= 0.5% at input power>-20dBm
|
EDR Carrier Frequency
Stability and Modulation AccuracyEDR
|
Initial Frequency Error
|
-75 kHz < ωi < 75 kHz
|
|
Frequency Error
|
-10 kHz < ω0 < 10 kHz
|
|
Block Frequency Error
|
-75 kHz < ωi + ω0 < 75 kHz
|
|
RMS DEVM
|
RMS DEVM<=0.13 for all 8DPSK @3Mbps
|
|
Peak DEVM
|
Peak DEVM<=0.25 for all 8DPSK @3Mbps
|
|
99% DEVM
|
99% DEVM<=0.2 for 99% 8DPSK @3Mbps
|
|
-20dB bandwidth
|
|
f H – f L | ≤ 1.0 MHz
|
注：RF參數只用于樣機簽樣數據，不作生產測完項，實際生產線上只測一到兩項。
結構尺寸圖
