PCM1727E - 24-Bit 96kHz Stereo DAC with Dual PLL | TI
部品番号: PCM1727E ✓ 生産中PCM1727E 概要
An audio DAC is a semiconductor that converts digital audio samples into an analog voltage waveform suitable for amplification and loudspeaker output. The PCM1727E belongs to the broader digital-to-analog converter hierarchy, where delta-sigma conversion, digital filtering, clock recovery, and analog output circuitry combine to support high-fidelity audio playback.
The principal features include support for 24-bit input data, multiple sampling frequencies with a stated maximum of 96 kHz, 92 dB dynamic range, and a programmable dual PLL. The PLL architecture provides clock-related flexibility for systems receiving audio data from an asynchronous or otherwise differently referenced source. The integrated stereo output path reduces the number of external analog stages required in a basic DAC design.
The PCM1727E accepts 24-bit digital audio data through I2S. Its integrated digital filter and output amplifier make the device suitable for compact stereo audio systems where the converter must operate from a single supply and connect to a downstream line or headphone amplifier. The programmable dual PLL is especially useful when the digital audio source and converter require separate or adjustable clock domains.
Typical uses include CD and DVD playback, digital audio mixers, active speakers, home-theater equipment, professional audio interfaces, and embedded audio systems. The device can serve as the final stereo conversion stage when a digital source produces I2S audio and the analog output is intended for a line-level amplifier or other downstream audio path.
Designers should verify the datasheet’s recommended input, output, filtering, and bypass connections before layout. Because the provided verified data does not include the complete pin mapping or electrical limits, pin assignments, supply voltage, analog output level, and decoupling values must be confirmed directly in the manufacturer datasheet rather than inferred from the product listings.
This product record combines the verified 24-bit, 96 kHz, 92 dB, I2S, dual-PLL, and 24-pin SSOP characteristics with practical selection guidance, source traceability, and honest identification of electrical details that still require datasheet confirmation.
ドロップイン代替品: PCM1727E — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
PCM1798DBR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PCM1727E 最大定格＆電気的特性
| Product Type | Stereo audio digital-to-analog converter |
| Manufacturer | Texas Instruments |
| Input Data Resolution | 24 bit |
| Maximum Sampling Frequency | 96 kHz |
| Digital Audio Interface | I2S |
| Dynamic Range | 92 dB |
| Channel Count | 2 channels |
| Clock Architecture | Programmable dual PLL |
| Integrated Functions | Digital filter and output amplifier |
| パッケージ | 24-pin SSOP |
| 実装タイプ | Surface mount |
PCM1727E 24-pin ssop ピン配置ガイド
PCM1727E (24-pin ssop パッケージ) のピン配置。 このアナログコンポーネントは、入力、出力、および電源ピンを備えています。オフセットナル、補償、イネーブルピンの設定については、メーカーのデータシートを参照してください。信号調整やアンプ回路に最適です。
詳細なピン配置データはありません: PCM1727E.
詳細は データシート をご参照ください。
主な用途
PCM1727E の用途: 6 件s: CD and DVD Audio Playback, Digital Audio Mixer, Active Speaker and Amplifier, Home Theater Audio Front End, Professional Audio Interface, Digital Audio Embedded System.
CD and DVD Audio Playback
The PCM1727E fits CD and DVD playback because it accepts 24-bit I2S audio, operates at sampling frequencies up to 96 kHz, and provides 92 dB dynamic range. Placing it after the digital source and before a line-output amplifier creates the stereo analog stage required by traditional audio equipment. Its integrated digital filter and output amplifier can simplify the signal chain, while the programmable dual PLL offers clock flexibility when the source and converter use different timing references.
おすすめ
Digital Audio Mixer
The PCM1727E is appropriate for a stereo output channel in a digital mixer because it converts 24-bit I2S source data with a documented maximum sampling rate of 96 kHz. Its 92 dB dynamic range supports a high-fidelity conversion stage, while the programmable dual PLL can help reconcile source and converter clocks. The 24-pin SSOP package also permits integration into a multi-channel mixer board without requiring a large connector-style converter package.
おすすめ
Active Speaker and Amplifier
The PCM1727E can serve as the digital-to-analog stage of an active speaker when the upstream processor supplies 24-bit I2S audio. Its 92 dB dynamic range and 96 kHz maximum sampling rate provide useful fidelity for music playback, while the integrated output amplifier reduces the analog circuitry required before a power amplifier. Engineers must verify output configuration, load capability, and bypass requirements directly in the manufacturer datasheet before connecting it to the speaker amplifier.
おすすめ
Home Theater Audio Front End
The PCM1727E suits the stereo front-end path of a home-theater system because it accepts 24-bit I2S data and supports up to 96 kHz sampling. The programmable dual PLL gives the converter clock flexibility when audio arrives from a processor, transport, or asynchronous digital source. With 92 dB dynamic range and an integrated filter and output amplifier, it provides a compact conversion stage before line-level amplification, provided the system uses a supported interface and power configuration.
おすすめ
Professional Audio Interface
The PCM1727E is usable in a professional stereo monitoring interface when 24-bit I2S data and up to 96 kHz operation satisfy the project requirements. Its 92 dB dynamic range provides a documented performance baseline, and the programmable dual PLL helps manage clock relationships within the interface. The converter should be followed by a suitable low-noise line amplifier, while the complete datasheet must be consulted for output details, filtering modes, and decoupling.
おすすめ
Digital Audio Embedded System
The PCM1727E fits an embedded audio subsystem that receives I2S samples from a digital processor and requires a stereo analog output. Its 24-bit data handling, 96 kHz maximum sampling rate, and programmable dual PLL support clock-conscious audio architectures, while the integrated digital filter and output amplifier reduce external component count. The main design checks are the supported I2S format, supply level, analog output configuration, and bypass network from the manufacturer datasheet.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: PCM1727E — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | PCM1798DBR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Package | 24-pin SSOP | 24-pin SSOP - same package format |
主な差別化要因
- Documented high-fidelity stereo conversion performance （vs PCM1798DBR)
- Clock flexibility from a programmable dual PLL （vs PCM1798DBR)
- Verified high-resolution digital audio interface （vs PCM1798DBR)
設計ノート
Route the PCM1727E power, ground, digital input, clock, and analog output connections in accordance with the manufacturer application circuit. The supplied data confirms a 24-pin SSOP package but does not provide the individual pin map, so do not assign PCB nets from package position alone. Before fabrication, cross-check every connection against the complete Texas Instruments datasheet and preserve the recommended analog and digital return paths.
Keep the converter supply and ground layout short and place the required bypass capacitors close to their associated pins. Because the verified results do not specify the supply voltage or capacitor values, use the exact manufacturer recommendations rather than values copied from another stereo DAC. Confirm startup sequencing, allowable supply range, and power-consumption figures in the datasheet before finalizing the power tree and shared-ground connections.
Treat the I2S data, word-select, and clock connections as a matched digital interface. Confirm the supported I2S format, bit alignment, master or slave role, and clock division settings in the PCM1727E datasheet. The programmable dual PLL can improve clock flexibility, but incorrect divider or phase configuration can still produce invalid framing or distorted conversion output.
Do not assume that matching the 24-pin SSOP package proves that another stereo DAC is pin-to-pin replaceable. Verify supply pins, ground pins, I2S clocks, mute, analog outputs, filter-control connections, exposed requirements, and absolute maximum ratings. The supplied cross-reference results do not establish complete interchangeability for PCM1798DBR, so use a new PCB spin unless the manufacturer comparison confirms every connection.
コンプライアンス情報
The supplied verified results do not explicitly state PCM1727E compliance. AEC-Q100 is marked not_applicable because the product is an audio converter rather than an automotive-qualified device, but this does not constitute an automotive qualification claim.