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  • 产品名称: BTB15631
  • 产品编号: BTB15631
  • 上架时间: 2016-12-30
  • 浏览次数: 191

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协议;

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;

系统框架

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

产品外观及接口定义

TOPOVERLAY:

 BOTTOMOVERLAY:

MFB 

长按:关机,配对                                          

短按:接听/挂断电话,播放,暂停,开机                  

双击:兄弟配对 

电气特性

电气参数

BTB15631

Item

Min
Typ
Max
Unit
Note
工作电压
3
3.7
4.2
V
锂电
工作电流
 
 
18
mA
HFP
工作电流
 
 
23
mA
A2dp&32Ω
待机电流
 
 
1
mA
 
关机电流
 
 
2
μA
 
充电电流
 
 
 
mA
3.0~4.2V

音频参数

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

射频参数

Items
 
Limits
Output Power

Average Power

-6 dBm <Pav<+4dbm(Class2)

Peak Power

Ppk < +23dBm

Power Control

Max Power Step

≦ 8.00dB

Max Power Step

≧ 2.00dB

Initial Carrier

Max Offset

≦ 2 5kHz

Max Offset

≦ 2 5kHz

Modulation
Characteristic

F1avg

140kHz < F1 < 175kHz

F2max

>= 115 kHz

 

F1/F2 Ratio

>= 0.8

Sensitivity

BDR Single-slot Sensitivity

BER <= 0. 1 % at 1Mbps 80dBm

BDR Single-slot Sensitivity

BER <= 0. 1 % at 1Mbps 80dBm

Max Input Level

 

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参数只用于样机签样数据,不作生产测完项,实际生产线上只测一到两项。

结构尺寸图