相关新闻

ATS2815

• ATS2815是一款高集成度的单芯片蓝牙音频设备,它还可以作为传统的卡片式扬声器和读卡器进行数据传输。ATS2815集成了高性能收发器,丰富的基带处理器和蓝牙音频配置。支持V4.2,2.1 + EDR,向下兼容蓝牙V1.1/1.2/2.0。


• ATS815集成高质量和低延时SBC解码器和CVSD编解码器。它还支持PLCtechnique和AEC语音通话提供高音频质量。


• ATS2815集成了一套完整的电源管理系统,具有灵活的内存配置,以及丰富的接口,如SD/MMC卡/USB/UART/TWI等。它还具有相当小的封装和紧凑的BOM。



          详细参数

System

• 156MHz 32bit RISC   processor Core
  • Internal RAM for data and program storage
  • 4-channel DMA, including DMA0, DMA1, DMA2 and DMA3,   support for transmission in burst 8 mode
  • Fully configurable PEQ, up to 14 segments
  • Support for echo cancellation and noise reduction
  • Support for packet loss concealment

Audio

• Built-in stereo   16-bit input sigma-delta DACs, SNR>92dB, SNR (A-Weighting)>95dB, THD+N   < -81dB
  • Built-in mono 16-bit input sigma-delta ADC,   SNR>85dB, SNR(A-Weighting)>88dB, THD+N < -72dB
  • DAC supports sample rate of   8k/12k/11.025k/16k/22.05k/24k/32k/44.1k/48kHz
  • ADC supports sample rate of   8k/12k/11.025k/16k/22.05k/24k/32k/44.1k/48kHz

Bluetooth

• Compatible with   Bluetooth 2.1+EDR
  • Support all packet types in basic rate and enhanced   data rate
  • Support SCO/eSCO link
  • Support secure simple pairing
  • Support low power mode (sniff/sniff sub-rating)
  • Bluetooth Piconet and Scatternet support
  • Maximum Bluetooth TX power: >4dBm
  • Bluetooth RX sensitivity: <-88dBm

Power Management

• Support Li-Ion   battery power supply with battery insert wake up.
  • Support power on button & reset button.
  • Linear regulator output VCC.
  • Linear regulators outputs AVCC, VDD
  • Standby current 35uA (typical).
  • Low resolution 7-bit A/D converters for system   monitor and wire-control.

Physical Interfaces

• 1*SD/MMC/eMMC card   interface
  • USB1.1FS host or device, support 2 IN endpoint and   1 OUT endpoint except endpoint0
  • 1*UART support master or slave mode with RTS/CTS   hardware flow control
  • 1*TWI supports slave function
  • Support 15 GPIO interfaces
  • 2*SIRQ supported
  • 1*PWM output integrated

Package

• QFN-40, 5mm*5mm

Application

• Stereo speakers and   speakerphones
  • Bluetooth car audio unit
  • Other Bluetooth applications