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LM49352 数据表(PDF) 8 Page - Texas Instruments |
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LM49352 数据表(HTML) 8 Page - Texas Instruments |
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8 / 106 page  LM49352 SNAS467E – MARCH 2009 – REVISED MARCH 2013 www.ti.com PIN DESCRIPTIONS (continued) Pin Pin Name Type Direction Description D6 DGND Supply Input Digital ground E1 LSGND Supply Input Loudspeaker ground E2 LS_VDD Supply Input Loudspeaker amplifier and analog mixer (headphone) supply input E3 MONO- Analog Input Mono differential negative input E4 MIC- Analog Input Microphone negative input E5 PORT1_SDI Digital Input Audio Port 1 serial data input DAC (Digital), ADC (Digital), PLL (Digital), digital mixer, DSP core, and I2C E6 D_VDD Supply Input register power supply input F1 LS + Analog Output Loudspeaker positive output F2 LS - Analog Output Loudspeaker negative output F3 MONO+ Analog Input Mono differential positive input F4 MIC + Analog Input Microphone positive input F5 PORT1_CLK Digital Input/Output Audio Port 1 clock signal (can be master or slave) F6 I/O_VDD Supply Input Digital I/O (MCLK, I2S/PCM, I2C) interface power supply input PIN TYPE DEFINITIONS Analog Input — A pin that is used by the analog and is never driven by the device. Supplies are part of this classification. Analog Output — A pin that is driven by the device and should not be driven by external sources. Analog Input/Output — A pin that is typically used for filtering a DC signal within the device. Passive components can be connected to these pins. Digital Input — A pin that is used by the digital but is never driven by the device. Digital Output — A pin that is driven by the device and should not be driven by another device to avoid contention. Digital Input/Output — A pin that is either open drain (SDA) or a bidirectional CMOS in/out. In the latter case the direction is selected by a control register within the LM49352. These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 8 Submit Documentation Feedback Copyright © 2009–2013, Texas Instruments Incorporated Product Folder Links: LM49352 |
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