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LM49352 数据表(PDF) 7 Page - Texas Instruments |
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LM49352 数据表(HTML) 7 Page - Texas Instruments |
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7 / 106 page  HPVSS CP- LSGND LS+ C D E F 1 2 3 4 5 6 HPL B A HPR HPVDD CP+ LSVDD LS- AVDD AUXR EP- EP+ MONO- MONO+ AGND AUXL PORT2 SDO PORT1 SYNC MIC- MIC+ DAC REF PORT2 SYNC PORT2 CLK PORT1 SDO PORT1 SDI PORT1 CLK ADC REF PORT2 SDI MCLK DGND DVDD IOVDD SDA SCL LM49352 www.ti.com SNAS467E – MARCH 2009 – REVISED MARCH 2013 Figure 7. LM49352RL Pinout Diagram Top View (Bump Side Down) PIN DESCRIPTIONS Pin Pin Name Type Direction Description A1 HPR Analog Output Headphone right output DAC (Analog), ADC (Analog), PLL (Analog), input stages, analog mixer A2 A_VDD Supply Input (AUX and class D), and Earpiece amplifier power supply input DAC (Analog), ADC (Analog), PLL (Analog), input stages, analog mixer A3 AGND Supply Input (AUX and class D), and Earpiece amplifier ground A4 DAC REF Analog Input/Output Filter point for the DAC reference A5 ADC REF Analog Input Filter point for the ADC reference. Connect this pin to A_VDD. A6 SDA Digital Input/Output I2C interface data line B1 HPL Analog Output Headphone left output B2 AUX_R/AUX+ Analog Input Right analog input or positive differential auxiliary input B3 AUX_L/AUX- Analog Input Left analog input or negative differential auxiliary input B4 PORT2_SYNC Digital Input/Output Audio Port 2 sync signal (can be master or slave) B5 PORT2_SDI Digital Input Audio Port 2 serial data input B6 SCL Digital Input I2C interface clock line C1 HP_VSS Analog Output Negative power supply pin for the headphone amplifier C2 HP_VDD Supply Input Headphone amplifier power supply pin C3 EP-/AUXOUT- Analog Output Earpiece negative output or Auxiliary negative output PORT2_SDO / C4 Digital Input / Output Audio port 2 serial data output or General Purpose Input Output GPIO C5 PORT2_CLK Digital Input/Output Audio port 2 clock signal (can be master or slave) C6 MCLK Digital Input Input clock from 0.5MHz to 50 MHz D1 CP- Analog Input/Output Fly capacitor negative input D2 CP+ Analog Input/Output Fly capacitor positive input D3 EP+/AUXOUT+ Analog Output Earpiece positive output or Auxiliary positive output D4 PORT1_SYNC Digital Input/Output Audio Port 1 sync signal (can be master or slave) D5 PORT1_SDO Digital Output Audio Port 1 serial data output Copyright © 2009–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM49352 |
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