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ADAU1978WBCPZ-RL The ADAU1978WBCPZ-RL is a quad-channel, 24-bit analog-to-digital converter with up to 192 kHz sampling, 3.3 V supply, and I2C/SPI control. Ideal for automotive audio and active noise cancellation systems.
Mfr Part #:

ADAU1978WBCPZ-RL

Available from 3 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The ADAU1978WBCPZ-RL is a quad-channel, 24-bit analog-to-digital converter with up to 192 kHz sampling, 3.3 V supply, and I2C/SPI control. Ideal for automotive audio and active noise cancellation systems.
✓ Total Stock: 11,603 pcs

ADAU1978WBCPZ-RL Available from 3 distributors

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Optech Co.,Limited ✓
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8,733 pcs
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8733 pcs On Request 1 On Request On Request 21+ On Request On Request
Braun Electronic Components ✓
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1,435 pcs
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1435 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
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1,435 pcs
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1435 pcs On Request 1 On Request On Request On Request On Request On Request
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ADAU1978WBCPZ-RL Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Data Interface
Input Type
Mounting Type
Number of Channels
Operating Temperature
PLL
Resolution (Bits)
Sampling Rate (Per Second)
Supplier Device Package
Type
Voltage
Voltage Supply Source
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ADAU1978WBCPZ-RL Description

Short technical summary and product information.

The ADAU1978WBCPZ-RL from Analog Devices is a four-channel, 24-bit analog-to-digital converter (ADC) designed for high-performance audio applications. It supports sample rates from 8 kHz to 192 kHz and features four differential inputs with 2 V rms capability. The device delivers 109 dB dynamic range and -95 dB THD+N, making it suitable for demanding audio signal chains.

 

The ADC includes an on-chip phase-locked loop (PLL) for master clock generation and operates from a single 3.3 V supply. Control is provided through I2C and SPI interfaces, and audio data can be output in I2S, TDM, right-justified, or left-justified formats. A selectable digital high-pass filter, digital volume control with autoramp, and software-controllable clickless mute add flexibility for system design.

 

Housed in a 40-lead LFCSP-WQ (6x6) package with exposed pad, the device supports surface-mount assembly and operates over -40°C to +105°C. The part is qualified for automotive applications, making it suited for automotive audio systems and active noise cancellation.

ADAU1978WBCPZ-RL Quick Information

Product Type: Analog-to-Digital Converter (ADC)
Series: ADAU1978
Canonical Name: 24-Bit Quad-Channel Analog-to-Digital Converter (ADC)
Subcategory: Audio ADC

ADAU1978WBCPZ-RL Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ADAU1978WBCPZ-RL Features

  • 24-bit quad-channel ADC with 192 kHz sampling.
  • 109 dB dynamic range and -95 dB THD+N.
  • I2C/SPI control with flexible audio output formats.
  • Operates from a single 3.3 V supply.
  • Qualified for automotive applications.

ADAU1978WBCPZ-RL Applications

  • Automotive audio systems and head units.
  • Active noise cancellation systems.
  • Multi-channel audio acquisition and processing.
  • Professional audio equipment with differential inputs.

ADAU1978WBCPZ-RL FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage of the ADAU1978WBCPZ-RL?

The supply voltage is 3.3 V.

What package options are available for this ADC?

The device is available in a 40-WFQFN Exposed Pad package, also identified as 40-LFCSP-WQ (6x6), surface mount.

What is the operating temperature range?

-40°C to +105°C.

Is the ADAU1978WBCPZ-RL RoHS compliant?

The database lists it as RoHS3 Compliant, but this status is unverified; confirm using official documentation.

How many input channels does the ADAU1978 have?

Four differential analog inputs.

What sample rates does the ADAU1978 support?

Sample rates from 8 kHz to 192 kHz.

Is the device qualified for automotive applications?

Yes, it is qualified for automotive applications.

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