Preliminary
DFBM-CM22A
DFBM-CM22A Bluetooth TM Module Class 2
A Class 2 Bluetooth module suitable for wireless Audio Do...
Preliminary
DFBM-CM22A
DFBM-CM22A Bluetooth TM Module Class 2
A Class 2 Bluetooth module suitable for wireless Audio Dongle applications.
1. FEATURES
Suitable for Stereo Audio Dongle applications. High Integrate, need minimum external components.
2.Device Diagram
www.DataSheet4U.com
BC3-MM
S1~S6 Reset UART, USB, SPI LED Audio In/Out 1.8V Battery
1.8V X’tal
Regulator
Charger
VUSB or DC Jack
Data Sheet
Apr 18, 2005 Proprietary Information and Specifications are Subject to Change
Preliminary
DFBM-CM22A
3.General Specification
Bluetooth
TM
Specification
Version 1.2 2.4GHz ISM Band 723 kbps -81 dBm +4 dBm (Class 2) 3.4~4.2 V -20~+75 ℃ -40~+85 ℃ 50 ohm 17.4*16.7*2.2 mm 10 meters 17 uA 25 mA
Frequency Transmission Rate Receive Sensitivity Maximum Output Power Operating Voltage Operating Temperature Storage Temperature Antenna Impedance Package Size Operating Range Quiescent Current Operating Current
4.RF Characteristics
RF Characteristics
1. Frequency Range 2. Output Power ( Hopping On )
Min. Typ. Max.
2402 ~ 2483.5
Unit
MHz
Data Sheet
Apr 18, 2005 Proprietary Information and Specifications are Subject to Change
Preliminary
DFBM-CM22A
2-1. Average Power 2-2. Maximum Power 2-3. Minimum Power 3. Power Control ( Hopping Off ) 3-1. Maximum Step 3-2. Minimum Step 4. Initial Carrier ( Hopping On ) 4-1. Average Offset 4-2. Max +ve Offset 4-3. Max –ve Offset 5. Carrier Drift ( Hopping On, Low & Mid & High Channel ) 5-1. Drift Rate 5-2. DH1 5-3. DH3 5-4. DH5 6. Modulati...