| apm1883: Bluetooth Audio Transceiver
DESCRIPTION |
| The apm1883 Bluetooth audio transceiver provides off-the-shelf wireless function for class1 and class2 stereo audio application. It consists of apm1882 Bluetooth audio module, PA/LNA, RF switch and LPF with a compact size of 45mm by 26mm for class1 solution. The apm1882 integrates Broadcomˇ¦s ZV4301 Bluetooth chip, Wolfsonˇ¦s WM8731 CODEC, crystal and Flash memory on a single module. It could be easily embedded into audio system for Bluetooth wireless communication.The specified profiles and firmware are pre-loaded into the built-in flash memory of apm1882 module for Bluetooth audio transmission and receiving. The user could update the firmware version by using the UART interface test point connect to host PC. |
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| FEATURES |
- Compact size class1 and class2 Bluetooth audio transceiver: 45x26mm.
- Integrate apm1882 Bluetooth audio module, PA/LNA, RF switch and LPF into one board for class1 solution.
- Compliant with Bluetooth specification V1.2.
- Low power modes available
- Easy to embed in Bluetooth audio System
- Class1 performance (with PA/LNA)
- RF output power: < +20 dBm
- Receiver sensitivity: -85dBm @0.1%BER
- Class2 performance (without PA/LNA)
- RF output power: < +4 dBm
- Receiver sensitivity: -80dBm @0.1%BER
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| APPLICATIONS |
- AV equipments
- Bluetooth stereo headphone or speaker which supports audio source switch between stereo music and cellular phone call
- Bluetooth audio adaptor to transmit music from an analog source
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