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Product Detailed Parameters
- Description：IC ADC/AUDIO 24BIT 192K 20SSOP
- Series：-
- Mfr：Cirrus Logic Inc.
- Package：Tube
- Type：ADC, Audio
- Number of Channels：2
- Resolution (Bits)：24 b
- Sampling Rate (Per Second)：192k
- Data Interface：I2S
- Voltage Supply Source：Analog and Digital
- Voltage - Supply：2.7V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-SSOP (0.209", 5.30mm Width)
- Supplier Device Package：20-SSOP
- Grade：-
- Qualification：-
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Overview
The WM8782SEDS/V is a stereo audio analog-to-digital converter (ADC) manufactured by Cirrus Logic. It features a 24-bit resolution and supports sampling rates from 8 kHz to 192 kHz using multi-bit sigma-delta modulation with 128x, 64x, or 32x oversampling. The device includes an internal operational amplifier for line-level inputs exceeding 1 Vrms and a digital high-pass filter for DC offset removal. It operates on a 2.7 V to 5.5 V analog supply and 2.7 V to 3.6 V digital supply, housed in a 20-lead SSOP package.
Feature Summary
- Stereo 24-bit ADC with 100 dB SNR (A-weighted at 48 kHz)
- Supports Master and Slave clocking modes with system clocks up to 768fs
- Internal op-amp accommodates analog input signals greater than 1 Vrms
- Digital high-pass filter removes residual DC offsets
Applications
- Recordable DVD Players
- Personal Video Recorders
- Set-Top Boxes (STB)
- Studio Audio Processing Equipment
- Automotive Systems
Procurement Notes
Verify the component status as the source indicates it may be discontinued or have limited availability. Confirm the specific suffix /V denotes the -40°C to +85°C temperature range and Pb-free 20-lead SSOP packaging. Ensure compatibility with existing board layouts for the SSOP-20 footprint before procurement.
Selection Notes
Select this component for applications requiring low-cost, high-performance stereo digitization. Ensure the design supports the required master clock frequencies (128fs to 768fs) and digital interface formats (I2S, Left/Right Justified). Verify that the power supply rails meet the specified ranges of 2.7–5.5 V for analog and 2.7–3.6 V for digital sections.
Part Context
The WM8782SEDS/V belongs to the WM8782 series of audio ADCs. The SEDS/V suffix specifically identifies the 20-lead SSOP package variant with an extended industrial temperature range of -40°C to +85°C and lead-free construction. This distinguishes it from other variants like the tape-and-reel version (WM8782SEDS/RV).
Replacement Considerations
The datasheet recommends using the WM8782A silicon if slave mode timing constraints between MCLK and BCLK cannot be met. No other direct cross-model replacements are documented in the provided text.
