DATASHEET B426-AB1510 Wireless Stereo Speaker Module For Intensive Audio Applications Specification VERSION 0.
Revision History Version 0.10 Change Summary Created Date Author th LY Kuo th LY Kuo th LY Kuo th LY Kuo Dec, 25 , 13 0.20 Update Bluetooth Specification Version Jun, 15 , 14 0.30 Remove PCM function support Oct, 15 , 14 0.
1 System Overview 1.1 General Description B426-AB1510 is a stereo module, which are highly integrated, cost effective, low power consumptions with Airoha AB1510 chip for intensive audio applications. It complies with Bluetooth system version 4.1 with EDR function. The built-in noise reduction and echo cancellation functions enhance the voice quality. Advanced multipoint supports HFP connection to two handsets for voice, or two A2DP sources for music play back.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications 2 Module Package Information 2.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications 2.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications Battery input P, as 29 BAT_IN Supply 30 VREGOUT_HV Analog 31 PIO4 32 MIC_BIAS Analog Microphone bias 33 MIC1_P Analog Microphone 1 P-path 34 MIC1_N Analog Microphone 1 N-path 35 MIC2_N Analog Microphone 2 N-path 36 MIC2_P Analog Microphone 2 P-path 37 LINE_IN_L Analog Line in L-path 38 LINE_IN_R Analog Line in R-path 39 SPK_LP Analog Speaker output LP 40 LRVCM Analog Speaker output LRVCM 41 SPK_R
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications 3 General Application Schematic U3 Microphone MIC_BIAS C37 4.7uF(0603) R11 2.2k Ohm C154 NC L7 PIO16 14 PIO17 15 PIO4 PIO15 VREGOUT_HV PIO16 BAT_IN PIO17 VCHG_IN GND 17 SDA 16 MIC_BIAS PIO14 GND 40 LRVCM 39 SPK_LP 38 LINE_IN_R C152 NC R131 3K MIC1_P 37 LINE_IN_L 36 MIC2_P 35 MIC2_N 34 MIC1_N 33 MIC1_P 32 MIC_BIAS BAT_IN VCHG_IN MIC1_N R12 2.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications NC/0ohm VCCIO C21 R68 4.7K Ohm VCCIO R8 VREGOUT_MV SPI Flash PIO 14 is for SPI_CSN usage PIO15 is for SPI_MOSI usage PIO16 is for SPI_MISO usage PIO17 is for SPI_CLK usage 0ohm/NC R67 4.7k Ohm R7 VREGOUT_HV 0.1uF U8 (CSN) Note: If R7=0 Ohm, R8=NC, then the VCCIO=VREGOUT_HV (3.3V) If R7=NC, R8=0 Ohm,then the VCCIO=VREGOUT_MV (1.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications Conditional Hardware Reset Under the condition of pressing PIO1 to Low,then plug battery charger BAT_IN Charger VCHG_IN R173 1 V_CHG Q4 0.1uF 1 MMBT3904 V_CHG R166 4 0 Ohm/NC CHARGER 2 R62 200Kohm U11 NC/0 Ohm 3 C95 5 C48 R63 47Kohm 1 GND ACE4054 BAT VCC GND PROG CHRG C59 10uF 0.1uF 3 BAT_IN 2 1 R6 4.7K ohm 3 Ichg=1000/R6 R9 PIO1 Q5 1 MMBT3906 47K ohm 2 R5 C97 RESET 1K ohm 0.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications 4 Electrical Characteristics 4.1 Recommended Operating Conditions Item Min. Typ. Max. Unit I/O supply voltage (VCCIO) 1.7 3.6 V Battery supply voltage (BAT_P) 2.7 4.2 V Internal charger supply voltage (V_CHG) 4.5 5 6.5 V Typ. Max. Unit 4.2 V Table 4-1 Recommended Operating Conditions 4.2 Power 4.2.1 High-Voltage LDO (VREGOUT_HV) Item Condition Input Voltage (BAT_P) Min. 2.7 Output Voltage Input voltage > 3.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications Item Min. Typ. Max. Unit Input Voltage 4.5 5 6.5 V Charge Current (CC Mode) 25 400 mA Trickle Charge Current 4 mA Trickle Charge Threshold Voltage 2.92 V Regulated Output (Float) Voltage 4.2 V Table 4-4 Battery Charger 4.4 Radio Characteristics 4.4.1 Transmitter Basic Data Rate ℃ Core Supply Voltage = 1.8V @ 25 Item Min. Typ. Max.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications Enhanced Data Rate ℃ Core Supply Voltage = 1.8V @ 25 Item Min. Relative transmit power Typ. Max. -1.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications Sensitivity at 0.1% BER 2.402GHz -92 dBm 2.441GHz -92 dBm 2.480GHz -92 dBm Maximum input power at 0.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications F = F0-2MHz F = F0+3MHz F = Fimage π/4 DQPSK -20 dB 8DPSK -13 dB π/4 DQPSK -40 dB 8DPSK -33 dB π/4 DQPSK -7 dB 8DPSK 0 dB Table 4-8 Receiver Enhanced Data Rate 4.5 Audio ADC Item Condition Min. Typ. Max.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications 4.6 Stereo DAC Item Condition Min. SNR THD+N Typ. Max. 94 16 ohm load dB 0.1 Analog gain=0dB Unit % SPK_LP or SPK_RP Output Full-Scale at load=16Ohm Output swing SPK_RP -- (16Ohm) 2.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
B426-AB1510 Stereo Speaker Module For Intensive Audio Applications Canada Statement This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
