ADAU7118ACPZRL.pdf
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The ADAU7118ACPZRL is built to interface directly with up to 8 channels of PDM audio data from digital microphones. It performs digital decimation and filtering to convert PDM into PCM, then outputs the audio through a serial port as slave I2S or TDM (up to TDM-16 supported in many system configurations).
This makes it a strong fit for smart speakers, soundbars, conferencing devices, and portable voice interfaces where designers need reliable multi-mic capture, configurable routing, and simple control via I2C or hardware mode operation.
Supports 8 channels of PDM inputs, ideal for far-field voice capture and beamforming microphone arrays in compact products.
Outputs PCM audio over I2S or TDM, enabling easy connection to DSPs, SoCs, codecs, or audio processors with standard serial audio ports.
Designed for clear speech and wide dynamic range, supporting demanding voice interfaces and high-SPL microphone front ends.
Selectable I2C control or hardware mode operation simplifies integration across both programmable and cost-optimized designs.
Converts PDM microphone streams to PCM using digital decimation filtering, supporting common decimation ratios used in voice capture systems.
Supports a range of bit-clock rates relative to sampling frequency to match typical audio interface timing requirements (system dependent).
Configurable TDM slot routing and sizing helps map microphone channels to downstream processors efficiently, especially in multi-mic designs.
| Parameter | Value / Condition |
|---|---|
| Function | 8-channel PDM to PCM converter with serial audio output |
| PDM Inputs | Up to 8 channels from digital microphones |
| Audio Output Interface | Slave I2S / TDM (configuration dependent) |
| Control | I2C control or hardware mode operation |
| I/O Supply Range | Typically 1.70 V to 3.63 V (confirm per datasheet configuration) |
| Package | ACPZRL package option (confirm exact footprint with ADI package drawing) |
Based on your screenshot replacement list for ADAU7118ACPZRL, the listed functional alternative is:
Before replacing, compare: PDM input channel count, supported sample rates, TDM slot mapping, control method (I2C vs hardware), and package/footprint.
Analog Devices (ADI) is a leading provider of high-performance analog, mixed-signal, and digital signal processing solutions. ADI audio interface and signal chain devices are widely used in consumer, professional, automotive, and industrial designs where robust performance and long-term supply support are important.
The ADAU family is commonly selected for voice and audio capture systems that need flexible routing, reliable serial audio interfacing, and strong system-level integration.
Multi-mic capture for far-field voice pickup, beamforming front ends, and intelligent voice interfaces.
PDM microphone aggregation and PCM output to an SoC/DSP for voice trigger and speech enhancement pipelines.
Supports clear voice capture with multiple microphones and flexible routing into the system's audio processor.
Compact, multi-channel PDM interface for wearable or portable consumer electronics that require voice input.
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Pricing and inventory for ADAU7118ACPZRL fluctuate and are updated periodically (typically within 24 hours). Quotations generally remain valid for 5 days unless otherwise stated.
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We perform Pre-Shipment Inspection (PSI) on randomly selected units before shipping. If there is an issue with ADAU7118ACPZRL, returns/replacements are accepted when:
Steps: (1) Inform us within 90 days; (2) Obtain Return Authorization (RMA) before sending items back.
Please contact us for technical documents and support related to Analog Devices Inc. ADAU7118ACPZRL, including pin diagrams and datasheets. Our team will respond promptly.
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