PA106 (CSRA64215+TPA6132) Bluetooth 4.2 APTX-LL Audio Receiver Module with CSRA64215 Amp support avrcp/a2dp/aptx/aptx-ll
Product description:
PA106 Bluetooth audio receiving module, using CSRA64215 Bluetooth chip, support avrcp, a2dp, aptx, aptx-ll, DIY Bluetooth speaker essentials, home speaker conversion for Bluetooth speaker best choice.
Aptx instructions:
Simply put, aptx can improve the sound quality, reduce the transmission delay, you need to accept and support the transmitter to achieve, so you need to ensure that your transmitter supports aptx (mobile, tablet, computer).
Product manual:
1. Adopt CSRA64215 Bluetooth module, stereo audio transmission, support Bluetooth 4.2.
2. Using high-quality TI TPA6132A2 professional amp, more perfect effect.
3. Integrated two-color LED indicator for more intuitive Bluetooth status display.
4. Power supply uses dual regulator IC, input voltage range is 3.3V-5.5V.
5. Decoupling with tantalum capacitors, the noise floor treatment is cleaner!
6. Size: 31*33mm (including antenna protruding part)
Reference circuit description:
1. Foot description
1) SPK_EN, control external power amplifier enable, output high level (high level is 1.8V) when audio transmission, usually low level.
2) PLAY button, short press play pause, long press for 3 seconds to force into pairing mode (disconnect Bluetooth, search again).
3) VOL- button, short press the previous song, long press the volume to decrease.
4) VOL button, short press a song, long press the volume to add.
5) 1V8, module 1.8V output pin, mainly used for buttons (for module keys only, do not use other power supply).
6) LED0, connected to red LED light. (Bluetooth audio receiver module has integrated LED lights, can be omitted)
7) LED1, connected to the blue LED light. (Bluetooth audio receiver module has integrated LED lights, can be omitted)
8) GND, power supply negative (AGND and GND are connected by magnetic beads at a single point).
9) VDD, positive supply, voltage is 3.3V-5.5V (the voltage must not exceed 6V).
10) OUTL, left channel output.
11) OUTR, right channel output.
12) AGND, audio common.
2. Reference circuit
1 * PA106 (CSRA64215+TPA6132) Bluetooth 4.2 APTX-LL Audio Receiver Module

