ADAU7118ACPZRL7

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ADAU7118ACPZRL7

+Nomenclature

8-CHANNEL PDM TO I2S/TDM CONVERT

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Spécifications

Attribut Valeur
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Function Sample Rate Converter
Applications Consumer Audio
Number of Channels 8
Interface I²S, TDM
Voltage - Supply 1.1V ~ 1.98V, 1.7V ~ 3.63V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Présentation

Description

The ADAU7118ACPZRL7 is a high-performance, 32-bit digital-to-analog converter (DAC) from Analog Devices, designed for audio applications. It features a low-latency, single-bit processing architecture, supporting sample rates up to 768 kHz for high-resolution audio.
Key features include:
- I²S/TDM input for flexible digital audio interfacing.
- Integrated PLL for clock synchronization.
- Low power consumption (~12 mW at 3.3V), making it suitable for portable devices.
- Small 24-lead LFCSP package for space-constrained designs.
The ADAU7118 is ideal for consumer audio, automotive infotainment, and professional audio systems, offering high fidelity with minimal distortion. Its direct conversion from digital to analog simplifies signal paths, reducing external components.
For detailed specs, refer to the datasheet on Analog Devices' website.

Equivalent

The ADAU7118ACPZRL7 is a PDM-to-I2S/TDM converter. Equivalent products include:
- TI PCM1865 (ADC with PDM mic input)
- NCPF PDMI216 (PDM-to-I2S converter)
- Cirrus Logic CS47L24 (Audio hub with PDM support)
- ST MP34DT05 (MEMS mic with PDM output, requires external converter)
For direct alternatives, check TI's PDM interface ICs or Analog Devices' similar PDM converters like the ADAU7002.

Features

The ADAU7118ACPZRL7 is a high-performance, 32-bit stereo ADC (Analog-to-Digital Converter) from Analog Devices. Key features:
- Resolution: 24-bit, 32-bit processing
- Sample Rate: Up to 768 kHz
- Dynamic Range: 112 dB (A-weighted)
- Interface: I²S/TDM, supports 8-channel TDM
- Power Supply: 1.8V (core), 3.3V (I/O)
- Low Power: 12.5 mW (stereo @ 48 kHz)
- Integrated PLL: Clock flexibility
- Package: 32-lead LFCSP (5x5 mm)
- Applications: Audio recording, professional audio, DSP systems
Compact, low-noise, and efficient, it’s ideal for high-fidelity audio systems.

Pinout

The ADAU7118ACPZRL7 is a 32-bit digital PDM-to-I2S/TDM converter in a 24-pin LFCSP (4x4mm) package.
Key Functions:
- Converts two PDM (Pulse Density Modulation) microphone inputs into I2S or TDM output.
- Supports stereo or mono PDM microphone data.
- Operates at 1.8V (core) and 3.3V (I/O).
- Includes low-latency decimation filters and programmable gain.
- Features I2C control interface for configuration.
Pin Count: 24 pins (LFCSP package).
Common applications include microphone arrays, smart speakers, and audio processing systems.

Application

The ADAU7118ACPZRL7 is a digital PDM-to-I2S/TDM converter primarily used in audio applications. Key areas include:
1. Digital Microphones – Converts PDM signals from MEMS mics to I2S/TDM.
2. Audio Processing – Interfaces with DSPs, codecs, and processors in smart speakers, headphones, and soundbars.
3. Automotive Audio – Supports in-car infotainment and voice recognition systems.
4. IoT/Embedded Systems – Enables high-quality audio in compact, low-power devices like wearables and smart home products.
Its low power and small footprint make it ideal for space-constrained designs.

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