CS4225-BL Stereo ADC and Quad DAC | Cirrus Logic
MPN: CS4225-BL ✗ Akhir HayatCS4225-BL Ringkasan
A digital audio converter is an integrated circuit that converts audio between analog and digital signal domains. An ADC samples an analog input and represents it as digital data, while a DAC converts digital playback data into analog voltage signals. The CS4225 belongs to the broader digital-audio-converter hierarchy and integrates multiple conversion channels into one device, reducing the number of separate converter packages required in a multichannel audio system.
The principal verified feature set includes two ADC channels and four DAC channels, producing six audio conversion channels in total. The converter architecture uses delta-sigma conversion techniques, a methodology commonly selected for high-resolution audio signal processing. Separate analog and digital power domains are identified in the datasheet, including a +5 V analog supply, a +5 V digital supply, analog-ground connections, and a digital-ground connection.
The CS4225-BL is packaged as a 44-pin PLCC measuring 16.59 mm by 16.59 mm. This relatively large leaded package provides direct access to analog, digital, clock, data, control, and power pins, making it practical for through-hole assembly and legacy audio equipment. The supplied search results identify the device as an audio sample-rate converter from Cirrus Logic, although the complete numeric conversion-performance table is not included in the verified data supplied for this page.
Typical uses include CD-quality music systems, FM-radio-quality music equipment, telephone-quality speech processing, surround-sound systems, and automotive audio platforms. The four DAC channels can serve multiple playback zones or output stages, while the stereo ADC channels can capture left and right analog inputs. Integration is especially useful when a design needs several conversion paths but has limited board space or requires one consolidated mixed-signal audio device.
Designers should preserve separation between the analog and digital supply and ground networks, follow the datasheet's recommended decoupling and layout guidance, and verify all interface timing and signal levels before layout release. The provided data confirms the +5 V analog and digital supplies, but does not specify the required capacitor values, clock frequency, sample-rate limits, dynamic range, channel-to-channel isolation, or full pin assignments. Those values must be confirmed in the manufacturer datasheet before a new layout is released.
This product page consolidates the verified distributor identification, package information, converter configuration, power-domain details, source links, and engineering application guidance. It also distinguishes verified facts from unavailable parameters, preventing unsupported performance claims while helping engineers evaluate the CS4225-BL for legacy multichannel audio designs.
Pilihan pengganti yang segera untuk CS4225-BL — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Tiada pilihan pengganti yang segera untuk produk ini.
Minta AlternatifCS4225-BL Penilaian maksimum & Ciri-ciri Elektrik
| Product Type | Digital audio conversion system |
| ADC Configuration | Stereo, 2 channels |
| DAC Configuration | Quad, 4 channels |
| Total Audio Channels | 6 channels |
| Conversion Technique | Delta-sigma conversion |
| Analog Supply | +5 V |
| Digital Supply | +5 V |
| Analog Ground | AGND1 and AGND2 |
| Digital Ground | DGND |
| Kemasan | 44-pin PLCC |
| Package Dimensions | 16.59 mm x 16.59 mm |
| Jenis Pemasangan | Surface mount |
Panduan Konfigurasi Pin CS4225-BL 16.59 mm x 16.59 mm
Konfigurasi pin untuk CS4225-BL (16.59 mm x 16.59 mm pakai). Komponen analog ini mempunyai pin masukan, keluaran, dan kuasa. Rujuk dokumen pengeluar untuk konfigurasi pengecualian, pemulihan, dan pin aktifkan. Ideal untuk pengawasan isyarat dan litar pengukur.
Tiada data garisan pin yang diperoleh untuk CS4225-BL.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
CS4225-BL patut untuk 6 aplikasis: Surround-Sound Audio System, Automotive Audio Head Unit, CD-Quality Music Equipment, FM-Radio Audio Processing, Telephone-Quality Speech System, Professional Audio Interface.
Surround-Sound Audio System
The CS4225-BL fits multichannel playback designs because it integrates four DAC channels with a stereo ADC in one 44-pin PLCC package. The four parallel DAC outputs can serve separate surround-sound channels while the two ADC inputs provide a shared analog capture path for source monitoring or additional audio processing. Its separate +5 V analog and digital supply domains provide a defined basis for separating sensitive audio circuitry from digital switching and interface signals. Compared with four discrete DAC packages, the integrated device can reduce component count and centralize the audio conversion functions. Before schematic release, however, engineers must confirm the required sample rate, DAC resolution, clock architecture, output load, and channel mapping from the complete Cirrus Logic datasheet because those numerical details are not present in the verified search snippets.
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Automotive Audio Head Unit
The CS4225-BL is architecturally suitable for an automotive audio head unit because the Cirrus Logic datasheet identifies automotive and surround-sound applications and the device combines two ADC channels with four DAC channels. That arrangement supports multiple speaker outputs and stereo microphone or radio input capture within a single mixed-signal IC. The 44-pin PLCC package is useful in designs assembled through holes rather than compact surface-mount codec footprints. The tradeoffs are package size and incomplete qualification data in the supplied sources: automotive temperature range, AEC-Q100 status, lifecycle, and vibration requirements are not stated. These attributes must be verified before using the device in a safety- or production-relevant automotive platform.
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CD-Quality Music Equipment
The CS4225-BL aligns with CD-quality music equipment because its manufacturer documentation explicitly identifies CD-quality music as an application and describes delta-sigma conversion for the integrated stereo ADC and quad DAC. A digital source can be decoded by the four DAC channels, while two analog inputs allow capture or monitoring through the ADC section. The separate analog and digital +5 V rails are especially important in this use case because digital activity should not be allowed to determine the reference noise floor of the audio outputs. Actual suitability for a particular CD player still depends on the required sample rate, bit resolution, dynamic range, total harmonic distortion, and supported digital interface, none of which can be confirmed from the supplied snippets. Those parameters should be extracted directly from the manufacturer datasheet.
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FM-Radio Audio Processing
The CS4225-BL can support FM-radio-quality music systems because that application is explicitly listed in the Cirrus Logic CS4225 datasheet summary. The stereo ADC channels are suitable for capturing left and right radio or auxiliary audio, while the four DAC channels provide expanded monitoring or playback outputs. This channel allocation can simplify a system that would otherwise need one ADC package and multiple DAC packages. The +5 V analog supply, +5 V digital supply, AGND1, AGND2, and DGND arrangement calls for disciplined grounding and decoupling to prevent converter activity and digital interfaces from degrading the recovered audio signal. Verified sample-rate, dynamic-range, and distortion figures are unavailable in the provided data, so circuit sizing and signal-chain validation must wait for the complete electrical-characteristics tables.
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Telephone-Quality Speech System
The CS4225-BL is applicable to telephone-quality speech systems because the manufacturer describes the converter as suitable for telephone-quality speech. The stereo ADC can receive two analog speech or line-level channels, and the four DAC outputs can provide playback, monitoring, or multiple destination paths. Consolidation in a single package may simplify software control because the converter channels share one device, subject to confirmation of the digital interface and register architecture. Designers should verify supported sampling rates, clock source, audio serial interface format, analog input range, and output loading before finalizing the schematic. Since the supplied data identifies the performance class but does not quantify dynamic range or distortion, the component should not be treated as a drop-in for a modern high-resolution speech codec without further verification.
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Professional Audio Interface
The CS4225-BL can serve as the central conversion element in a professional or studio-style audio interface because it combines stereo analog capture with four synchronized DAC outputs. The 44-pin PLCC package exposes its supply, analog-ground, digital-ground, conversion, and interface functions, which can be advantageous for a readable through-hole or mixed-assembly design. The same four-output architecture can feed monitoring, cue, headphone, or auxiliary converter stages rather than serving only one stereo pair. The principal engineering concern is that no verified noise, distortion, isolation, latency, or master-clock specifications are available here. Those measurements determine suitability for professional recording or distribution paths. Engineers should also evaluate modern smaller codecs if board area is constrained, since the verified package dimensions are 16.59 mm by 16.59 mm.
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Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk CS4225-BL — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini |
|---|---|
| Brand | Cirrus Logic |
| Package | 44-pin PLCC (16.59 mm x 16.59 mm) |
| ADC Channels | 2 channels, stereo |
| DAC Channels | 4 channels, quad |
| Total Conversion Channels | 6 channels |
| Conversion Technique | Delta-sigma |
| Analog Supply | +5 V |
| Digital Supply | +5 V |
Penyeberangsung Jelas
- Six conversion channels in one device (vsCS4226)
- Purpose-built surround-sound channel allocation (vsCS4227)
- Separated analog and digital supply domains (vsCS4228)
Catatan Desain
Keep analog and digital return currents physically separate until they reach the device ground pins. The verified datasheet identifies AGND1, AGND2, and DGND as distinct grounds, so route each return network according to the complete pin-description and layout guidance rather than connecting them indiscriminately under the IC. Place analog-input and analog-output traces away from digital clock and serial-data paths to reduce coupled noise.
Provide and decouple the VA and VD +5 V rails independently according to the manufacturer application circuit. Because this is a mixed-signal audio converter, analog supply noise can appear directly across its output noise floor while digital current transients can degrade it through shared impedance. Use short supply and ground paths, verify capacitor voltage ratings, and avoid routing digital return current through analog-ground copper.
Do not treat a same-family Cirrus Logic converter as a drop-in substitute solely because it uses a related audio architecture. The verified CS4225-BL uses a 44-pin PLCC, but the supplied search results do not establish pin compatibility, clock requirements, or equivalent performance for CS4226, CS4227, or CS4228. Before replacement, compare the complete pin list, electrical ratings, digital interface, and application circuit against the original device.
Maklumat Kesediaan
The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. The automotive application is documented, but automotive qualification cannot be inferred from that application statement.
