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MS6720GU Datasheet(PDF) 1 Page - MOSA ELECTRONICS |
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MS6720GU Datasheet(HTML) 1 Page - MOSA ELECTRONICS |
1 / 12 page MOSA MS6720 3 Stereo Inputs / 4-Channel Outputs Audio Processor REV1.0 1 www.mosanalog.com 3 Stereo Inputs and 4-Channel Outputs Volume, Balance, Fader and Selectable Input Gain FEATURES •Operation range : 2.7V~5V •3 stereo inputs with selectable input gain •4 independent speaker controls for fader and balance •Independent mute function •Volume control in 1.25 dB/step •I 2C interface •Components less and good PSRR •Housed in SOP20, SSOP20 packages APPLICATIONS •Portable audio device •Car stereo audio •Hi-Fi audio system •Cross-reference: PT2313L-20 DESCRIPTION The MS6720 is a 3 stereo inputs/4-channel outputs digital control audio processor for the low voltage operation. Volume, balance (left/right), and fader (front/rear) processor are incorporated into a single chip. The MS6720 also has selectable input gain. All functions are programmable via the serial I 2C bus. The default states of the chip as the power is on are: the volume is -78.75dB, the stereo 4 is selected, all the speakers are mute and the gains of the input stage are 0dB. The stereo 4 is connected internally, but not available on pins. BLOCK DIAGRAM RIN2 RIN1 Volume Volume LIN1 LIN2 LIN3 RIN3 REF Input Selector &Gain Control ROUT RIN LOUT LIN 1 5 6 4 9 10 11 7 8 12 13 Supply AVDD AGND 2 3 Mute OUT_LF OUT_LR OUT_RF OUT_RR 17 14 15 16 SCL SDA DGND 18 19 20 Mute Speaker ATT Mute Speaker ATT Speaker ATT Mute Speaker ATT Serial Bus Decoder and Latches |
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