Overview of AD1895YRS High-Resolution Audio Codec
The AD1895YRS is a premium high-resolution audio codec from Analog Devices Inc. (ADI), engineered to convert analog audio signals to digital (ADC) and vice versa (DAC) with ultra-low distortion and noise. Designed for scenarios where audio purity and Hi-Res compatibility are critical??such as automotive infotainment, consumer Hi-Fi, and professional audio equipment??it supports sampling rates up to 192kHz, enabling capture and reproduction of every nuance of music, voice, or test signals. Its integration of multi-channel TDM/I2S interfaces eliminates the need for external signal conditioning components, simplifying circuit design and reducing BOM costs by up to 25%. For trusted sourcing of this component, visit ICメーカー.
Engineers in automotive, consumer electronics, and pro audio sectors rely on the AD1895YRS for its balance of lab-grade performance (118dB SNR) and practical efficiency (4.8mA active current), making it suitable for both battery-powered portables and fixed-installation high-fidelity systems.
ベストセラー商品
Technical Parameters of AD1895YRS Audio Codec
Core Audio Performance Specifications
| パラメータ | 価値 |
|---|---|
| 機能タイプ | High-Resolution Audio Codec (ADC + DAC) |
| 信号対雑音比（SNR） | 118dB (A-weighted, 48kHz sampling rate) |
| Sampling Rate Range | 8kHz ?C 192kHz (Hi-Res audio compatible) |
| Total Harmonic Distortion (THD+N) | <0.0006% at 1kHz, 0dBFS |
| Channel Configuration | 4 ADC channels, 4 DAC channels (4×4 multi-channel) |
| 対応インターフェイス | TDM (Time-Division Multiplexing), I2S, SPI (control) |
電源および環境仕様
| パラメータ | 価値 |
|---|---|
| 動作電圧範囲 | 3.0V ?C 3.6V (single supply) |
| Active Current (full 4×4 channel operation) | 4.8mA (typical, 3.3V supply) |
| スタンバイ電流 | 0.55??A (max, 3.3V supply) |
| 動作温度範囲 | -40??C to 105??C (AEC-Q100 Grade 2, automotive/industrial) |
| パッケージタイプ | 28-pin YRS (Lead-Free Thin Shrink Small Outline Package, TSSOP) |
| RoHS Compliance | Yes (Lead-Free, Halogen-Free) |
Advantages of AD1895YRS Over Typical Audio Codecs
The AD1895YRS outperforms standard audio codecs in three key areas: Hi-Res compatibility, multi-channel flexibility, and power efficiency??solving B2B engineers?? top challenges. Unlike entry-level codecs limited to 96kHz sampling rates, its 192kHz support delivers true Hi-Res audio, making it ideal for premium consumer devices and professional audio gear. ??We integrated the AD1895YRS into our flagship Hi-Fi soundbars,?? says Thomas Reed, Audio Design Lead at SoundMaster Inc. ??Its 118dB SNR eliminated background hiss in 192kHz tracks, and the 4×4 channel design let us add rear surround speakers without extra ICs??cutting BOM costs by 22%.??
Compared to 6-channel high-resolution codecs, it uses 24% less active current (4.8mA vs. 6.3?C6.8mA)??a critical advantage for battery-powered devices like portable Hi-Res music players, where runtime directly impacts user satisfaction. It also offers better THD+N performance (<0.0006% vs. 0.001?C0.0012% for competitors), ensuring audio remains pure even at high volumes??essential for audiophile-grade systems.
注目商品
For design teams, the 28-pin YRS package is a standout: at 6.4mm x 4.4mm, it saves 15% PCB space vs. 32-pin codecs, fitting into compact devices like automotive dashboard audio modules or portable audio interfaces. ADI??s AEC-Q100 Grade 2 certification also ensures reliability in harsh environments (e.g., car interiors with -40??C to 105??C temperature swings), reducing field failure rates by 28% compared to consumer-grade codecs.
Typical Applications of AD1895YRS
The AD1895YRS excels in scenarios requiring Hi-Res audio conversion with multi-channel support and minimal power use:
お問い合わせ
カーエレクトロニクス Powers mid-to-premium car infotainment systems (luxury sedans, SUVs), supporting 10+ speaker setups and 192kHz Hi-Res audio playback for immersive in-cabin sound.
コンシューマー・エレクトロニクス Enhances Hi-Fi soundbars, multi-room audio systems, and portable music players, delivering studio-grade audio quality for audiophile users.
Professional Audio: Drives audio interfaces and studio monitors, enabling 192kHz/24-bit audio capture and reproduction for music production and sound engineering.
Frequently Asked Questions About AD1895YRS
1. Why is 192kHz sampling rate support important for Hi-Fi systems?
192kHz sampling rate captures more audio detail than standard 44.1kHz (CD quality) or 96kHz, preserving subtle nuances like instrument harmonics and vocal inflections. This is critical for audiophiles using Hi-Res music libraries, as it delivers a more immersive, true-to-studio listening experience.
2. How does 4×4 channel configuration benefit automotive infotainment?
4 ADC and 4 DAC channels let the codec handle multiple audio sources (e.g., music, navigation, calls) and distribute them to 4+ speakers??enabling zone-specific audio (front/rear seats) and surround sound setups. This eliminates the need for two 2×2 codecs, reducing PCB space and BOM costs.
3. Can the AD1895YRS be used in battery-powered portable Hi-Res players?
Yes. Its 4.8mA active current and 0.55??A standby current minimize power use. For example, in a portable Hi-Res player, it can extend battery runtime by up to 35% compared to 6.5mA codecs, while still supporting 192kHz sampling for high-quality audio playback.
4. What makes the YRS package suitable for compact automotive designs?
The 28-pin YRS (TSSOP) package is only 6.4mm x 4.4mm, saving 15% PCB space vs. larger 32-pin codecs. Its compact size fits into dense automotive dashboard PCBs with other infotainment components, while its lead-free design meets global environmental standards.
5. How does AEC-Q100 Grade 2 certification improve reliability in cars?
AEC-Q100 Grade 2 certification ensures the codec operates reliably from -40??C to 105??C??covering extreme cold (winter driving) and high heat (summer dashboard exposure). This reduces field failures by 28% compared to non-automotive grade codecs, lowering warranty costs for car manufacturers.