David Audio Design and Manufacture BTM98 8AA User Manual
Bluetooth Audio Module BTM98-8AA
BTM98-8AA
DATA SHEET
22 June 2012
Version 1.0
1.15
Bluetooth Audio Module BTM98-8AA
TABLE OF CONTENTS
1.0 Block Diagram......................................................................................................5
2.0 Electrical Characteristics......................................................................................6
3.0 Device Terminal Functions...................................................................................8
4.0 Example Application Schematic.........................................................................12
5.0 Package Dimensions...........................................................................................12
6.0 Layout Guidelines...............................................................................................14
7.0 Contact Information............................................................................................15
2.15
Bluetooth Audio Module BTM98-8AA
DESCRIPTION: FEATURES:
BTM98-8AA is the latest generation of bluetooth ．Plug n' Play Bluetooth Solution for mono
Module. It provides highest level of integration and Stereo Audio Solutions
With integrated 2.4GHz radio, DSP, battery ．Integrated DSP, Stereo Codec , and Battery
Charger, stereo codec, and antenna ready. Charger
Mono and stereo audio applications. ．Integrated Antenna
BTM98-8AA is also ready to support the latest ．Bluetooth 4.0 Compliant
Bluetooth 4.0 standard and support for secure ．Class II Range up to 10 Meters
Simple pairing. ．Temperature range from -30C to +85C
．Low Power Consumption
．Supported Bluetooth Profiles: A2DP,
AVRCP, HFP, HSP
．Supported 5-band EQ
．High-quality Audio 95dB SNR on DAC
Playback
APPLICATIONS:
．High quality wireless stereo headsets
．Wireless mono headsets
．Wireless speakers
．Hands-free car kits
3.15
Bluetooth Audio Module BTM98-8AA
REVISION HISTORY
Version Comment Custom Date
1.0 Preliminary Datasheet zuoguoqiang 06/2012
4.15
Bluetooth Audio Module BTM98-8AA
1.0 Block Diagram
Serial Flash/
RAM
SPI/I2C
EEPROM
ROM
I/O
MCU
USB
Audio in/out
2.4GHz Radio
Kalimba
XTAL
DSP
PM/char
ger
PIO
Debug SPI
Charger in 5V Battery 3.6V-4.2V
Figure 1: Block diagram of BTM98-8AA
5.15
Bluetooth Audio Module BTM98-8AA
2.0 Electrical Characteristics
Recommended operating conditions
Min Typ Max Unit
Operating temperature -20 20 70
℃
VDD_BAT 3.0 3.8 4.2 V
VDD_CHG 4.5 5 6.5 V
VDD_IO 1.7 1.8 1.95 V
Table 1:Recommended operating conditions
Battery charger
Charger Mode(BAT_P rising to 4.2V) Min Typ Max Unit
Supply current(a)
Battery trickle charge current(b)
Maximum battery fast charge
current (I-CTRL = 15)(c) (d)
Minimum battery fast charge
current (I-CTRL = 0)(c) (d)
6.15
Headroom(e) > 0.7V
Headroom = 0.3V
Headroom > 0.7V
Headroom = 0.3V
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4.5 6 mA
4
200
150
40
35
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mA
mA
mA
mA
mA
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