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ADMP404ACEZ-RL7 Datenblatt(PDF) 7 Page - Analog Devices |
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ADMP404ACEZ-RL7 Datenblatt(HTML) 7 Page - Analog Devices |
7 / 12 page Preliminary Technical Data ADMP404 Rev. PrH | Page 7 of 12 APPLICATIONS INFORMATION The ADMP404 output can be connected to a dedicated codec microphone input (see Figure 7) or to a high input impedance gain stage (see Figure 8). A 0.1 µF ceramic capacitor (C1) at VDD placed close to the ADMP404 supply pins is used for testing and is recommended to adequately decouple the microphone from noise on the power supply. A 1 µF or larger dc-blocking tantalum capacitor (C2) is required at the output of the microphone. CONNECTING THE ADMP404 TO A CODEC ADAU1761 ADMP404 MIC INPUT C2 1µF C1 0.1µF GND GND GND VDD OUTPUT Figure 7. ADMP404 Connected to the Analog Devices ADAU1761 Codec CONNECTING THE ADMP404 TO AN OP AMP GAIN STAGE ADMP404 R1 10k Ω R3 R2 GND GND OUTPUT 3 2 4 7 6 GND VDD U1 OP177 GAIN = (R2 + R3)/R3 C2 1µF C1 0.1µF Figure 8. ADMP404 Connected to the OP177 Op Amp |
Ähnliche Teilenummer - ADMP404ACEZ-RL7 |
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Ähnliche Beschreibung - ADMP404ACEZ-RL7 |
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