Product description
The
BG557 bluetooth portable charger is a highly integrated single-chip Bluetooth
multimedia device. It integrates Bluetooth transceiver, FM receiver, SD-card
interface, USB OTG, and high performance audio peripheral. The BG557 cache
based architecture enables it is fully programmable with any application, that
it may be used for control and multimedia hybrid application, BG557 using the
control chip BK3254NF.
Technical description
l Operation voltage from 2.8V to 5.2V
l Bluetooth 2.1+EDR compliant
l -90dBm sensitivity for 1Mbps mode and 5dB transmit power
l USB2.0 host and device
l Integrated 90dB SNR ADC and stereo DAC
l Bluetooth A2DP,AVRCP and HFP profile
l Bluetooth portable charger.
l Soft power off.
l
Frequency Response.
