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CDB53L21 Datasheet(PDF) 9 Page - Cirrus Logic |
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CDB53L21 Datasheet(HTML) 9 Page - Cirrus Logic |
9 / 66 page DS700PP1 9 CS53L21 2. TYPICAL CONNECTION DIAGRAMS Figure 1. Typical Connection Diagram (Software Mode) 1 µF +1.8 V or +2.5 V VQ 0.1 µF 1 µF DGND VL 0.1 µF +1.8 V, +2.5 V or +3.3 V SCL/CCLK SDA/CDIN RESET 2 k Ω See Note 1 LRCK AGND AD0/CS MCLK SCLK VD * Capacitors must be C0G or equivalent 150 pF AFILTA AFILTB MICIN1 AIN3A Microphone Input 150 pF SDOUT CS53L21 2 k Ω 1 µF BIAS2 AIN3B/MICIN2 ** +1.8 V or +2.5 V AIN1A Left Analog Input 1 1800 pF 1800 pF 100 k Ω 100 Ω AIN1B Right Analog Input 1 * * Note 1: Resistors are required for I²C control port operation RL See Note 3 Note 3: The value of RL is dictated by the microphone cartridge. Digital Audio Processor 0.1 µF VA AIN2A Left Analog Input 2 1800 pF 1800 pF AIN2B BIAS1 Right Analog Input 2 * * 10 µF FILT+ Microphone Bias 1 µF 1 µF 1 µF 1 µF 1 µF 0.1 µF 100 k Ω 100 Ω 100 Ω 100 Ω 100 k Ω 100 k Ω 100 k Ω See Note 4 Note 4: Series resistance in the path of the power supplies must be avoided. TSTN VA_ PULLUP 47 k Ω |
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