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LM4930 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM4930 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
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4 / 35 page  Pin Descriptions A1 MIC_P Microphone positive differential input A2 MIC_N Microphone negative differential input A3 AVDD_MIC Analog V dd for microphone preamp A4 DAC_REF D/A converter reference voltage A5 SDA Two-wire control interface serial data pin A6 SCL Two-wire control interface serial clock pin B1 AGND_MIC Analog ground for microphone preamp B2 MIC_BIAS Microphone bias supply output (2V) B3 MIC_REF Internal fixed-reference bypass capacitor decoupling pin B4 ADDR Control bus address select pin B5 PCM_SDI PCM serial data in B6 PCM_CLK PCM Serial clock pin C1 AVDD_HP Analog V dd for headphone amplifier C2 NC No Connect C3 BYPASS Half-supply bypass capacitor decoupling pin C4 PCM_SYNC PCM Frame sync pin C5 I2S_DATA I 2S serial data input C6 DGND_D Digital ground D1 HP_L Headphone amplifier connection (Left) D2 HP_R Headphone amplifier connection (Right) D3 HPSENSE_IN Connection for sense pin of headphone jack D4 PCM_SDO PCM serial data out D5 I2S_CLK I 2S serial bit clock D6 DVDD_D Digital V dd E1 AGND_HP Analog ground for headphone amplifier E2 LS- Loudspeaker amplifier BTL negative out (-) E3 HPSENSE_OUT Logic output pin to indicate headphone connection status. Outputs logic high when HPSENSE_IN is high and outputs logic low when HPSENSE_IN is low. See Figure 5 for suggested application circuit E4 IRQ LM4930 mode status indicator pin E5 I2S_WS I 2S word select E6 XTAL_OUT Negative feedback source for external crystal MCLK F1 AGND_LS Analog ground for loudspeaker amplifier F2 LS+ Loudspeaker amplifier BTL positive out (+) F3 AVDD_LS Analog V DD for loudspeaker amplifier F4 DGND_X Digital ground F5 DVDD_X Digital V DD F6 MCLK/XTAL_IN 12.288MHz or 24.576MHz Master Clock from crystal (via XTAL OUT) or external source www.national.com 4 |
Similar Part No. - LM4930_04 |
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Similar Description - LM4930_04 |
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