基于BC3的双声道蓝牙耳机参考电路

BC3_FLASH2

R13 1

U2

1 ANA

VBUS

C23

2u2F

150k L4

USB

C10 47nF

VBUS 1V8

CON5
1 C15 15pF C16 2p2F 2n2H 1 XC6219 D4 D3 C4 B3 NC NC NC NC

5
3 1 1V8 220k R14 RESET 1 2 2 L3 15nH 110k GND 6 5 4 C8 VSS NC VOUT Y1 26MHz C9 R15 1 2 2 CE 2R2 2 3p9F 1V8 10pF BAL1 VBUS R60 R62 2R2 2 R61 2R2 2 3 7 8 4 C24 1 1 VIN 5

4 G1 B12 E1 F1 E12 N2 N1
USB_P 2u2F 10nF USB_N C25 GND

3 RF_IN TX_B TX_A RESETB RESET XTAL_IN XTAL_OUT VDD_USB VDD_RADIO0 VDD_RADIO1 VDD_LO VDD_ANA0 VDD_ANA1/REG_OUT VREG_IN M13 H2 D1 J2 N6 K2 N7
2 R27 0R GND 1 C5 10nF 2 R8 1

2 E2 F2 E3 H1 G2 G3 J1 C6 E11 M9 H3 K1 L6 A1 A12 J13 F3 VSS_RADIO0 VSS_RADIO1 VSS_RADIO2 VSS_RADIO3 VSS_RADIO4 VSS_RADIO5 VSS_LO VSS_CORE0 VSS_CORE1 VSS_CORE2 VSS_ANA0 VSS_ANA1 VSS_ANA2 VSS_PADS0 VSS_PADS1 VSS_PADS2 VSS VDD_CORE0 VDD_CORE1 VDD_CORE2 C7 E13 L8
2R2 C