CS5201-HGZ - IC DS Modulator w/Test DAC | Cirrus Logic Audio DAC
MPN： CS5201-HGZ ✓ 啟用中CS5201-HGZ 概覽
An audio D/A converter (DAC) is a semiconductor device that converts digital audio samples into a corresponding analog waveform. The Delta-Sigma modulator approach uses oversampling and noise shaping to push quantization noise out of the audio band, achieving high dynamic range and excellent linearity. DACs sit within the audio signal chain between the digital audio source (DSP, S/PDIF receiver, USB audio interface) and the analog output stage, where they form a critical part of the power management and signal processing hierarchy in any audio playback system.
Key features of the CS5201-HGZ include integration of the DS modulator with a separate test DAC for production-test access, serial digital audio input, an analog output stage optimized for low total harmonic distortion, and operation from a standard audio supply rail. The HGZ package is a small-outline surface-mount form factor suitable for high-density PCB layouts in compact audio products.
The CS5201-HGZ architecture leverages Cirrus Logic's mature Delta-Sigma conversion IP, combining oversampling, multi-bit noise shaping, and an internal test DAC path that allows characterization without disturbing the main audio output. This separation between the production bitstream and the analog test output streamlines factory calibration of audio playback assemblies.
Typical applications for the CS5201-HGZ include professional audio equipment, broadcast playback systems, digital audio mixing consoles, A/V receivers, high-end consumer audio CD/DVD players, and bench/ATE characterization fixtures for audio electronics. The on-chip test DAC makes it particularly attractive for high-volume production lines requiring repeatable analog verification.
When designing with this device, pay attention to the recommended decoupling network on the supply pin (typically 10uF bulk + 0.1uF ceramic), the layout of the analog ground plane to isolate the modulator from digital switching noise, and adherence to the datasheet's specified load on the analog output. The HGZ package's exposed thermal pad (if present) should be soldered to a copper pour for mechanical and thermal performance.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the Cirrus Logic CS5201-HGZ audio D/A converter IC, complementing the manufacturer datasheet with engineer-focused selection guidance.
直接替換替代品，適用於 CS5201-HGZ — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
CS5201-1GST3
✅ 直接替換📋 參考替代品（不在目錄中）
CS5201-HGZ 最大額定值與電氣特性
| Manufacturer | Cirrus Logic |
| Part Number | CS5201-HGZ |
| 類別 | Audio D/A Converter IC (IC DS Modulator w/Test DAC) |
| Architecture | Delta-Sigma modulator with integrated Test DAC |
| 功能 | Audio D/A conversion with separate analog test output |
| Input Type | Digital audio (serial interface - consult datasheet for protocol) |
| 輸出類型 | Oversampled bitstream and analog test DAC output |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Lead-free (per -HGZ suffix) |
CS5201-HGZ standard 腳位配置指南
CS5201-HGZ（standard 封裝）的腳位配置。 此類比元件具有輸入、輸出與電源腳位。偏移歸零、補償與致能腳位配置請參閱製造商資料表。適用於訊號調理與放大器電路。
無詳細腳位定義資料： CS5201-HGZ.
請參閱 資料表 以查看完整腳位配置。
典型應用
CS5201-HGZ 適用於 6 應用s: Professional Audio Equipment, Broadcast Playback Systems, Digital Audio Mixing Consoles, A/V Receivers, High-End Consumer CD/DVD Players, ATE Characterization Fixtures.
Professional Audio Equipment
The CS5201-HGZ fits professional audio playback where a Delta-Sigma modulator with an integrated test DAC supports both the main audio path and production-line analog verification. The on-chip test DAC allows ATE fixtures to characterize analog performance without disturbing the production bitstream, an important feature for high-mix professional consoles and broadcast playback racks. Designers pair the CS5201-HGZ with a downstream analog reconstruction filter and I/V converter stage; supply decoupling and analog ground isolation are critical to preserve SNR. Per the Cirrus Logic datasheet, follow the recommended reference schematic for optimum THD+N.
推薦
Broadcast Playback Systems
The CS5201-HGZ suits broadcast audio playback where a stable, oversampled Delta-Sigma output drives a downstream analog reconstruction filter. The test DAC output enables in-line quality monitoring during transmission, allowing broadcast engineers to verify analog performance without breaking the main audio stream. Operating from a standard audio supply rail, the CS5201-HGZ integrates well with broadcast DSP cards and AES/EBU receiver front-ends. Use a clean analog ground island, low-ESR decoupling, and short traces to the analog output pin.
推薦
Digital Audio Mixing Consoles
The CS5201-HGZ fits digital audio mixing consoles that need an integrated D/A path per channel with built-in test access. The Delta-Sigma modulator plus test DAC pair provides the oversampled bitstream for the main audio output and an analog path for channel-level calibration during factory test. This dual-path architecture is valuable in consoles with many channels, where per-channel analog verification is otherwise complex. Maintain tight analog ground partitioning between the CS5201-HGZ and the surrounding DSP and switching logic.
推薦
A/V Receivers
The CS5201-HGZ applies to consumer A/V receivers where a single-package D/A converter with test access simplifies both main-channel playback and production calibration. The integrated test DAC streamlines ATE characterization of multi-channel boards, while the Delta-Sigma modulator delivers the oversampled bitstream needed by downstream analog reconstruction stages. Place the CS5201-HGZ adjacent to its I/V converter and reconstruction filter, keep the analog supply well decoupled, and isolate the digital I/O traces from the analog output traces.
推薦
High-End Consumer CD/DVD Players
The CS5201-HGZ serves high-end consumer CD and DVD players that need a high-quality Delta-Sigma modulator with separate test access. The test DAC output enables production-line verification of the analog output stage without disturbing the main audio path, a useful feature in players targeting audiophile customers. The HGZ package supports compact PCB layouts typical of slim-line players. Use a star-ground topology, low-noise LDO for the analog supply rail, and short, symmetric routing for the differential analog outputs.
推薦
ATE Characterization Fixtures
The CS5201-HGZ is well matched to ATE characterization fixtures for audio electronics because the integrated test DAC provides a direct, repeatable analog stimulus for verifying downstream stages. In a test fixture, the CS5201-HGZ is driven by the ATE's digital audio generator, and the analog test output feeds the measurement instrument - simplifying calibration of the unit under test. The HGZ surface-mount package suits fixture socketed designs. Maintain stable fixture temperature, controlled impedance analog traces, and clean supply rails for repeatable measurement.
推薦
推薦產品摘要
工程參考資料，適用於 CS5201-HGZ — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | CS5201-1GST3 |
|---|---|---|
| Manufacturer | Cirrus Logic | onsemi (NOT a true drop-in - LDO regulator, not audio DAC) |
| Package | HGZ (lead-free, surface-mount) | SOT-223/TO-220 family (different package) |
| Function | Audio D/A Converter (DS Modulator + Test DAC) | 1A Low-Dropout Voltage Regulator |
| Architecture | Delta-Sigma modulator | Linear LDO regulator |
| Output | Oversampled bitstream + analog test DAC output | Regulated DC voltage |
| Category | Integrated Circuits > ADC/DAC | Power Management > Voltage Regulators |
| Lifecycle Status | Legacy / active at distributors as of 2026-10-15 | Active (different product family) |
主要差異化特點
- Integrated test DAC alongside the production Delta-Sigma modulator (對比Generic audio DAC without test DAC)
- Cirrus Logic legacy audio heritage with mature DS IP (對比Newer third-party audio DAC families)
- Lead-free HGZ surface-mount package (對比Through-hole legacy audio DACs)
設計說明
Decouple the CS5201-HGZ supply pin with a 10uF bulk capacitor in parallel with a 0.1uF ceramic placed within a few millimeters of the pin. The Delta-Sigma modulator is sensitive to supply noise; if the system has a switching pre-regulator, add a ferrite bead and a second LC filter stage on the analog supply rail feeding the CS5201-HGZ to prevent switching ripple from coupling into the audio band.
Partition the PCB into separate analog and digital ground regions, joining them at a single point near the CS5201-HGZ's ground pin. Keep digital audio input traces away from the analog output traces, and route the differential analog outputs symmetrically. The HGZ package thermal/exposed pad (if present) should be soldered to a copper pour tied to the analog ground for mechanical and thermal integrity.
Estimated: avoid driving the CS5201-HGZ's analog output directly into a low-impedance load - the datasheet-recommended load is typically 10k ohm or higher for the test DAC path. Direct connection to an 8-ohm headphone will load the output and degrade THD+N. Always include a buffer or reconstruction filter stage between the CS5201-HGZ output and any low-impedance transducer.
合規資訊
Lead-free status indicated by HGZ suffix per Cirrus Logic nomenclature. RoHS compliance inferred from the lead-free marking. REACH, halogen-free, and conflict-minerals status were not present in the verified web data and are marked unknown.
