DFBM-CM22A DELTA | Alldatasheet
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Technical content
A Class 2 Bluetooth module suitable for wireless Audio Dongle applications. 1. FEATURES z Suitable for Stereo Audio Dongle applications. z High Integrate, need minimum external components. 2.Device Diagram BC3-MM X’tal Regulator Charger 1.8V S1~S6 Reset UART, USB, SPI LED Audio In/Out 1.8V Battery VUSB or DC Jack Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change
3.General Specification Bluetooth S pecification 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 TM 4.RF Characteristics RF Characteristics Min. Typ. Max. Unit 1. Frequency Range 2402 ~ 2483.5 MHz 2. Output Power ( Hopping On ) Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change
2-1. Average Power 2 dBm 2-2. Maximum Power 4 dBm 2-3. Minimum Power -6 dBm 3. Power Control ( Hopping Off ) 3-1. Maximum Step 5 8 dBm 3-2. Minimum Step 2 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. Modulation Characteristics ( Hopping Off ) 6-1. F1 Average 140 165 175 KHz 6-2. F2 Maximum 115 145 KHz 6-3. F1 / F2 Ratio 0.8 0.95 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
8-1. Overall BER ( -70dBm ) 0 0.1 % 9. Maximum Input Level ( Hopping Off ) 9-1. Overall BER 0 0.1 % 5.Audio Characteristics RF Characteristics Min. Typ. Max. Unit 1. SNR 85 dBm 2. THD 6 % 6.Pin Description Pin No. Name Description
1 D2 Light if power on or pair
2 GND Ground
3 ANT RF input/output
4 PIO11 Programmable input/output
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 Apr 18, 2005 Proprietary Information and Specifications are Subject to Change
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 Ground
14 USB D- USB data minus
15 USB D+ Input USB data plus with selectable internal 1.5kohm pull-up resistor
16 VUSB 5V input
17 UART_RTS UART request to send active low
18 UART_TX UART data output
19 UART_CTS UART clear to send active low
20 UART_RX UART data input
21 S4 Turn off
22 S3 Volume up
23 S2 Volume down
24 S1 Turn on
25 RESET Reset if high
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 Apr 18, 2005 Proprietary Information and Specifications are Subject to Change
32 D1 Light if battery is charged or low battery
Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change
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
8.Dimensions (mm) Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change
Contact information: Website: http://www.deltaww.com Email: jonathan.chen@delta.com.tw Tel No.: 886-3-3591968 # 2925 Data Sheet Apr 18, 2005 Proprietary Information and Specifications are Subject to Change