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Name: ADAU7002ACBZ-R7
Brand: Analog Devices Inc.
SKU: ADAU7002ACBZ-R7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. ADAU7002ACBZ-R7

Part No.:: ADAU7002ACBZ-R7

Manufacturer:: Analog Devices Inc.

Package:: 8-UFBGA, WLCSP

Datasheet:: ADAU7002ACBZ-R7.pdf

Description:: IC SAMPLE RATE CONVERTER 8WLCSP

In Stock:: 2900

Quantity:: Add To Cart

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ADAU7002ACBZ-R7 Typical application Circuitry

ADAU7002ACBZ-R7

The ADAU7002ACBZ-R7 is part of the ADAU7002 series from Analog Devices, which is designed to convert pulse density modulation (PDM) audio signals to a standard I²S (Inter-IC Sound) or left-justified digital audio format. This series is particularly useful in applications where digital microphones are employed, and there is a need to interface these microphones with processors or peripherals that accept I²S or left-justified formats, such as in audio processing systems, smart speakers, and portable audio devices. The "ACBZ-R7" suffix indicates that this device is offered in a compact, 6-lead WLCSP (Wafer Level Chip Scale Package) and is supplied on a 7-inch reel, which is conducive to automated manufacturing processes, particularly in high-volume production environments.

1. PDM to I²S/Left-Justified Converter: The ADAU7002ACBZ-R7 efficiently converts a single-bit PDM input signal into a 24-bit I²S or left-justified output, facilitating the integration of digital microphones with DSPs, SoCs, or other audio processing units that require these standard digital audio formats.

2. Power Supply Connection (VDD): The device operates with a single power supply connected to the VDD pin, typically requiring 1.8V, which aligns with low-power digital systems, making it ideal for battery-operated devices.

3. Digital Audio Input and Output (DATA, BCLK, LRCLK): The PDM input signal is received through the DATA pin. The ADAU7002ACBZ-R7 then outputs the converted digital audio signal through the BCLK (Bit Clock) and LRCLK (Left/Right Clock) pins, adhering to the I²S or left-justified format standards. This setup ensures compatibility with a wide range of audio processing and playback hardware.

4. Ground Connection (GND): The GND pin provides the essential ground reference for the device, crucial for the stability of the conversion process and the integrity of the digital audio output.

5. Decoupling for Noise Reduction: To ensure optimal performance and minimize potential noise interference, it is advisable to use decoupling capacitors near the VDD pin. This practice helps to stabilize the power supply to the ADAU7002ACBZ-R7 and filter out noise, thus enhancing the quality of the audio conversion.

6. Compact and Efficient Design: The ADAU7002ACBZ-R7's WLCSP package is designed for minimal footprint and efficient use of PCB space, making it particularly suitable for compact audio devices where space is at a premium.

7. Thermal Management Considerations: Given the ADAU7002ACBZ-R7's low power consumption and compact package, standard thermal management practices are generally sufficient. However, it's still important to consider the overall system design and ambient conditions to ensure reliable operation.

8. Versatile Application Range: The ADAU7002ACBZ-R7's ability to convert PDM to I²S or left-justified formats makes it versatile for a broad spectrum of audio applications, including wireless headphones, smart speakers, and other digital audio systems that utilize MEMS microphones.

Integrating the ADAU7002ACBZ-R7 into a system design involves careful consideration of power supply management, signal routing for the PDM input and I²S/left-justified outputs, and adherence to best practices for PCB layout to fully leverage its capabilities as a PDM to I²S/Left-Justified converter. By following these guidelines, the ADAU7002ACBZ-R7 can significantly enhance the performance and integration of digital microphone systems within a wide array of audio applications.

ADAU7002ACBZ-R7 information

ADAU7002ACBZ-R7 Specifications

Package/Case:
8-UFBGA, WLCSP
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Function:
Sample Rate Converter
Applications:
Consumer Audio
NumberofChannels:
2
Interface:
I²S
Voltage-Supply:
1.62V ~ 3.6V
OperatingTemperature:
-40°C ~ 85°C (TA)
Specifications:
PDM-to-I²S
MountingType:
Surface Mount

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6. What is the process for return or replacement of ADAU7002ACBZ-R7?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of ADAU7002ACBZ-R7.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations