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Product Detailed Parameters
- Description：IC ADC/AUDIO 24BIT 96K 14SOIC
- Series：-
- Mfr：Cirrus Logic Inc.
- Package：Tape & Reel (TR),Bulk
- Type：ADC, Audio
- Number of Channels：2
- Resolution (Bits)：24 b
- Sampling Rate (Per Second)：96k
- Data Interface：I2S
- Voltage Supply Source：Analog and Digital
- Voltage - Supply：3V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：14-SOIC
- Grade：-
- Qualification：-
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Overview
The WM8738CGED/R is a stereo audio analog-to-digital converter manufactured by Cirrus Logic. It operates within a supply voltage range of 2.5 V to 3.6 V and supports sampling rates up to 96 kHz with 24-bit resolution. The device features an SNR of 90 dB for the ADC section. It utilizes a serial interface compatible with 2-Wire and 3-Wire protocols. The component is housed in a QFN-24 package and is rated for operation between -40°C and +85°C. This specific part number indicates a reel packaging format.
Feature Summary
- Stereo ADC with 24-bit resolution and 96 kHz maximum sampling rate
- 90 dB Signal-to-Noise Ratio (SNR) for analog-to-digital conversion
- Operates on a single supply voltage from 2.5 V to 3.6 V
- Integrated digital volume control and mute functions
Applications
- Portable audio recording devices
- Digital voice recorders
- Consumer electronics with microphone inputs
Procurement Notes
The WM8738CGED/R is listed as End of Life (EOL). Availability is restricted, and distributors may not stock this item in all regions. Verification of current lifecycle status and alternative sourcing options is required before procurement planning.
Selection Notes
Designers should verify compatibility with the target system's digital interface requirements, specifically the 2-Wire or 3-Wire serial port configuration. Since the device is discontinued, engineering change orders may be necessary to adopt a replacement component that matches the pinout and electrical specifications.
Part Context
This component belongs to the WM8738 series of low-power audio ADCs from Cirrus Logic. It is designed for applications requiring high-quality stereo digitization with minimal power consumption, typically found in battery-operated portable equipment.
Replacement Considerations
Due to the End of Life status, direct substitutes must be identified based on functional equivalence. Potential replacements include other Cirrus Logic stereo ADCs with similar pinouts and performance metrics, such as the WM8731 series, though pin compatibility must be verified.
