WM8953ECS/RV - 24-Bit Stereo ADC with PLL | Cirrus Logic
料号： WM8953ECS/RV ✓ 量产中WM8953ECS/RV 概述
An audio ADC is a data-conversion IC that converts left and right analog audio signals into digital words for processing, storage, transmission, or playback. The WM8953ECS/RV belongs to the broader ADC/DAC and signal-conversion hierarchy, combining a stereo sigma-delta conversion stage, analog input conditioning, clock generation, and a serial digital audio interface in one compact component. This integration reduces the number of separate clock, capture, and routing blocks required in portable equipment.
Key features include 24-bit stereo conversion, operation at 48 kHz, four analog input connections, up to 60 dB of analog gain per input path, and a programmable high-pass filter in the ADC signal path. Single-ended or differential input configurations support microphone and line-input architectures. The integrated PLL and choice of I2S or TDM digital interfaces make the device suitable for systems that need predictable audio-clock recovery and flexible connection to application processors or digital audio processors.
The sigma-delta ADC architecture prioritizes high-resolution audio conversion while supporting low-power portable-system requirements. Programmable input gain lets the signal chain be adjusted before conversion, while the high-pass filter can help reduce unwanted low-frequency content in voice and microphone recordings. The WLCSP format supports compact PCB layouts, although careful escape routing, exposed-pad thermal management, and clean analog grounding are essential.
Typical uses include mobile-handset voice capture, digital voice recorders, headset microphones, portable audio accessories, stereo line-input equipment, and compact consumer devices that accept digital audio from the WM8953ECS/RV. The same integrated conversion and clocking architecture also suits industrial monitoring modules when power consumption, package area, and audio input count are important constraints.
Design the analog input network for the intended source impedance and signal amplitude. Keep microphone and line-input traces short, isolate them from switching nodes, place filtering capacitors close to their associated pins, and maintain a continuous ground reference beneath the analog section. The compact 42-WLCSP requires careful assembly planning because its fine-pitch land pattern and exposed thermal area demand accurate stencil, paste, and reflow control.
This product page combines the WM8953ECS/RV device identity, interface and conversion details, application guidance, design considerations, sourcing options, and verified manufacturer information to support engineering selection and PCB planning.
直接替换替代料： WM8953ECS/RV ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料WM8953ECS/RV 最大额定值与电气特性
| Device Type | Low-power stereo audio ADC with PLL and TDM interface |
| ADC Resolution | 24 bit |
| Maximum Stated Sample Rate | 48 kHz |
| Channel Configuration | Stereo, 2 channels |
| ADC Architecture | Sigma-delta |
| Analog Input Connections | 4 single-ended or differential inputs |
| Maximum Analog Gain | 60 dB per input path |
| Programmable High-Pass Filter | Available in ADC path |
| Integrated PLL | Yes |
| Digital Audio Interface | I2S or TDM |
| 封装 | 42-WLCSP |
| Process Technology | CMOS |
| RoHS Compliance | Unknown |
| REACH Compliance | Unknown |
WM8953ECS/RV 42-wlcsp 引脚配置指南
WM8953ECS/RV（42-wlcsp 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： WM8953ECS/RV.
请参阅 数据手册 以查看完整引脚配置。
典型应用
WM8953ECS/RV 适用于 6 应用s: Mobile Handset Voice Capture, Digital Voice Recorder, Wireless Headset Microphone Interface, Portable Line-Input Audio Device, Industrial Audio Monitor, Stereo Microphone Interface.
Mobile Handset Voice Capture
The WM8953ECS/RV fits mobile-handset voice capture because it combines a 24-bit stereo ADC with four single-ended or differential input paths in a compact 42-WLCSP. Microphone and line-level signals can share the analog front end, while programmable gain up to 60 dB reduces the need for multiple external gain stages. The integrated PLL and I2S or TDM outputs provide a direct digital-audio path to a handset application processor. Compared with a discrete codec arrangement, consolidation can reduce board area, but the fine-pitch package demands careful analog routing, ground continuity, and assembly control.
推荐
Digital Voice Recorder
A digital voice recorder can use the WM8953ECS/RV to capture two audio channels with 24-bit resolution at up to 48 kHz. Four selectable analog inputs support different microphone or line configurations, and programmable gain up to 60 dB accommodates widely varying source levels. The integrated PLL and TDM interface are useful when the recording engine expects a multiplexed digital stream. The programmable high-pass filter can suppress low-frequency handling noise, although its corner setting should be balanced against speech bandwidth and the required low-frequency response.
推荐
Wireless Headset Microphone Interface
The WM8953ECS/RV is well suited to the microphone-capture portion of a compact wireless headset because the 42-WLCSP preserves PCB area and the converter supports single-ended or differential microphone inputs. Up to 60 dB of programmable analog gain helps normalize weak electret signals before digitization, while the integrated PLL supports digital audio clocking within a constrained portable design. I2S can serve a simple stereo processor link, while TDM can support denser channel framing. The design should budget additional filtering, microphone biasing, and clean return paths outside the ADC.
推荐
Portable Line-Input Audio Device
Portable line-input equipment can use the WM8953ECS/RV for 24-bit stereo digitization at a maximum stated rate of 48 kHz. The four analog input connections permit reusable left and right line sources or single-ended and differential arrangements, and programmable gain up to 60 dB simplifies input scaling. The integrated PLL reduces the need for a separate clock-generation component when the system needs derived audio clocks. The principal trade-off is the compact WLCSP footprint: assembly yield, exposed-pad soldering, and analog trace isolation require careful process control.
推荐
Industrial Audio Monitor
The WM8953ECS/RV can serve as the stereo capture front end of an industrial monitoring module when the design requires compact analog conversion and a flexible digital-audio link. Its 24-bit sigma-delta ADC, four analog input paths, and programmable high-pass filter support programmable audio acquisition, while I2S or TDM output permits connection to an embedded processor. Compared with a higher-rate converter, the stated 48 kHz capability is suitable for voice and general monitoring rather than wideband ultrasonic capture. Industrial qualification and extended-temperature suitability must be confirmed independently.
推荐
Stereo Microphone Interface
A stereo microphone interface can use the WM8953ECS/RV to convert two analog microphone channels with 24-bit resolution and up to 48 kHz sampling. Differential input support can improve rejection of common-mode noise when the microphone and converter share a suitable reference, while programmable gain up to 60 dB provides flexible sensitivity control. The integrated PLL and TDM interface are useful for synchronized multi-channel systems, and I2S offers a simpler connection for stereo-only designs. The high-pass filter supports voice-focused capture, but microphone bias, connector protection, and grounding must be implemented separately.
推荐
推荐产品汇总
工程参考数据： WM8953ECS/RV ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 |
|---|---|
| Device Type | Low-power stereo ADC with PLL and TDM interface |
| Brand | Cirrus Logic, Inc. |
| Package | 42-WLCSP |
| ADC Resolution | 24 bit |
| Maximum Stated Sample Rate | 48 kHz |
| Channel Count | 2 channels |
| ADC Architecture | Sigma-delta |
| Analog Input Count | 4 single-ended or differential inputs |
| Maximum Analog Gain | 60 dB per input path |
| Digital Audio Interface | I2S or TDM |
关键差异点
- Integrated four-path analog input flexibility （对比 No verified drop-in alternative)
- Clock and serial-interface integration （对比 No verified drop-in alternative)
- High-resolution portable audio conversion （对比 No verified drop-in alternative)
设计说明
Route the four analog inputs directly from their connectors or front-end networks to the corresponding WM8953ECS/RV pins with short traces and minimal area around sensitive nodes. Use a continuous ground reference beneath the analog section, avoid switching-current paths beneath the converter, and place input filtering components close to their associated pins. Verify the final 42-WLCSP land pattern and exposed-area connection against the manufacturer package drawing.
Treat I2S and TDM as clocked digital interfaces even though the ADC is intended for low-power audio. Route clock, data, and frame signals together, avoid long stubs, and keep return paths continuous. The integrated PLL can derive the required audio clock, but the selected clock mode, MCLK relationship, and serial framing must be configured consistently with the receiving processor or codec.
Do not select a generic stereo ADC as a replacement without checking the 42-WLCSP footprint and every exposed function. Also verify analog input range, gain configuration, full-scale voltage, PLL requirements, I2S or TDM framing, and software-register compatibility. The four input paths are configurable as single-ended or differential, but incorrect source configuration can produce clipping, imbalance, or loss of common-mode rejection.
Use the manufacturer exposed-area and assembly recommendations for the 42-WLCSP and provide adequate copper around the thermal interface. Verify the actual converter dissipation against the finished-board thermal environment rather than relying on a nominal package label. Keep nearby heat-generating components separated from the analog and exposed thermal region, and inspect solder fillet formation after reflow for consistent thermal contact.
合规信息
The WM8953ECS/RV is not identified as an AEC-Q100-qualified automotive part. RoHS, REACH, lead-free, halogen-free, and conflict-mineral statements require confirmation from the manufacturer or applicable quality documentation.
