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ICS43432
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ICS43432 Digital microphone

4 years ago 1630
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Description

ICS43432: Low-Noise Microphone with I 2S Digital Output. General Description: The ICS-43432* is a digital I2S output bottom port microphone. The complete ICS-43432 solution consists of a MEMS sensor, signal conditioning, an analog-to-digital converter, decimation and anti-aliasing filters, power management, and an industry standard 24-bit I²S interface. The I²S interface allows the ICS-43432 to connect directly to digital processors, such as DSPs and microcontrollers, without the need for an audio codec in the system. The ICS-43432 has a high SNR of 65 dBA and a wideband frequency response. The sensitivity tolerance of the ICS‐43432 is ±1 dB, which enables high-performance microphone arrays without the need for system calibration.

Features: Digital I²S Interface with High Precision 24-bit Data High 65 dBA SNR −26 dB FS Sensitivity ±1 dB Sensitivity Tolerance Wide Frequency Response from 50 Hz to 20 kHz Low Current Consumption: 1.0 mA High Power Supply Rejection: −80 dB FS 116 dB SPL Acoustic Overload Point Small 4 mm × 3 mm × 1 mm Surface-Mount Package Compatible with Sn/Pb and Pb-Free Solder Processes RoHS/WEEE Compliant

Applications: Wearables Smart television Remote Controls Teleconferencing Systems Gaming Consoles Security Systems Microphone Arrays

Documents

ICS43432 Schematic

BOM

ID Name Designator Footprint Quantity
1 ICS43432 U1 DIP 1
2 SIP5 P2 HDR1X5 1
3 MP2002 U2 DIP 1
4 1u C1,C3 C1 2
5 1k R1 R3 1
6 26k R2 R3 1
7 10k R3 R3 1
8 1u C2 CP_8X13MM 1
9 SIP1 PG HDR1X1 1

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