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 S1~S6 Reset BC3-MM 1.8V X’tal Regulator Charger Data Sheet UART, USB, SPI LED Audio In/Out 1.8V Battery VUSB or DC Jack Apr 18, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM22A 3.General Specification TM Bluetooth Specification Version 1.2 Frequency 2.4GHz ISM Band Transmission Rate 723 kbps Receive Sensitivity -81 dBm Maximum Output Power +4 dBm (Class 2) Operating Voltage 3.4~4.2 V Operating Temperature -20~+75 ℃ Storage Temperature -40~+85 ℃ Antenna Impedance 50 ohm Package Size 17.4*16.7*2.2 mm Operating Range 10 meters Quiescent Current 17 uA Operating Current 25 mA 4.RF Characteristics RF Characteristics 1. Frequency Range Min. Typ. Max. Unit 2402 ~ 2483.5 MHz 2. Output Power ( Hopping On ) Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM22A 2 2-1. Average Power 4 2-2. Maximum Power 2-3. Minimum Power dBm dBm -6 dBm 3. Power Control ( Hopping Off ) 5 3-1. Maximum Step 3-2. Minimum Step 2 8 dBm 4 dBm 4. Initial Carrier ( Hopping On ) 4-1. Average Offset -20 20 KHz 4-2. Max +ve Offset -20 20 KHz 4-3. Max –ve Offset -20 20 KHz 5. Carrier Drift ( Hopping On, Low & Mid & High Channel ) 5-1. Drift Rate -20 10 20 KHz 5-2. DH1 -25 10 25 KHz 5-3. DH3 -40 10 40 KHz 5-4. DH5 -40 10 40 KHz 6-1. F1 Average 140 165 175 KHz 6-2. F2 Maximum 115 145 6-3. F1 / F2 Ratio 0.8 0.95 6. Modulation Characteristics ( Hopping Off ) KHz 7. Single Sensitivity ( Hopping Off & On ) 7-1. Overall BER ( -70dBm ) 0 0.1 % 8. Multi Slot Sensitivity ( Hopping Off & On ) Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM22A 8-1. Overall BER ( -70dBm ) 0 0.1 % 0 0.1 % 9. Maximum Input Level ( Hopping Off ) 9-1. Overall BER 5.Audio Characteristics RF Characteristics Min. Typ. Max. Unit 85 1. SNR dBm 6 2. THD % 6.Pin Description Pin No. Name 1 D2 2 GND Ground 3 ANT RF input/output 4 PIO11 5 MIC_P_R Microphone input positive (right side) 6 MIC_N_R Microphone input negative (right side) 7 MIC_P_L Microphone input positive (left side) 8 MIC_N_L Microphone input negative (left side) 9 SPK_N_R Speaker output negative (right side) Data Sheet Description Light if power on or pair Programmable input/output Apr 18, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM22A 10 SPK_P_R Speaker output positive (right side) 11 SPK_N_L Speaker output negative (left side) 12 SPK_P_L Speaker output positive (left side) 13 GND 14 USB D- USB data minus 15 USB D+ Input USB data plus with selectable internal 1.5kohm pull-up resistor 16 VUSB 17 UART_RTS 18 UART_TX 19 UART_CTS 20 UART_RX 21 S4 Turn off 22 S3 Volume up 23 S2 Volume down 24 S1 Turn on 25 RESET 26 S5 Forward 27 S6 Backward 28 VBAT Battery voltage input 29 GND Ground 30 1.8V 1.8V output 31 GND Ground Data Sheet Ground 5V input UART request to send active low UART data output UART clear to send active low UART data input Reset if high Apr 18, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM22A 32 Data Sheet D1 Light if battery is charged or low battery Apr 18, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM22A 7.Reference design for Headset application Note: 1. The Mini USB can replace to DC Jack. It used to charge the battery. Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM22A 8.Dimensions (mm) Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM22A Contact information: Website: http://www.deltaww.com Email: [email protected] Tel No.: 886-3-3591968 # 2925 Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change