Overview of AD2426BCPZ 12-Channel Audio Transceiver
The AD2426BCPZ is a high-performance 12-channel audio transceiver from Analog Devices Inc. (ADI), engineered to handle bidirectional audio signal transmission in mid-to-premium audio systems. Designed for scenarios where reliable multi-channel audio is critical??such as automotive infotainment, consumer Hi-Fi, and aerospace in-cabin systems??it supports 6 transmit and 6 receive channels, enabling seamless integration of music, navigation, and voice signals. Its integration of TDM/I2S interface compatibility eliminates the need for external signal converters, 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 aerospace sectors rely on the AD2426BCPZ for its balance of robust performance (wide temperature range) and practical efficiency (low power), making it suitable for both harsh-environment and precision-focused applications.
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Technical Parameters of AD2426BCPZ Audio Transceiver
Core Audio & Transceiving Performance
| パラメータ | 価値 |
|---|---|
| Channel Configuration | 12 channels (6 transmit, 6 receive) |
| 信号対雑音比（SNR） | 115dB (A-weighted, 48kHz sampling rate) |
| 対応インターフェイス | TDM (Time-Division Multiplexing), I2S, SPI (control) |
| Sampling Rate Range | 8kHz ?C 96kHz (Hi-Res audio compatible) |
| Total Harmonic Distortion (THD+N) | <0.001% at 1kHz |
| Input/Output Impedance | 10k?? (input), 50?? (output) |
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 12-channel operation) | 4mA (typical, 3.3V supply) |
| スタンバイ電流 | 0.6?A（最大、3.3V電源） |
| 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 BCPZ (Lead-Free Thin Shrink Small Outline Package, TSSOP) |
| RoHS Compliance | Yes (Lead-Free, Halogen-Free) |
Advantages of AD2426BCPZ Over Typical Audio Transceivers
The AD2426BCPZ outperforms standard audio transceivers in three key areas: channel flexibility, signal integrity, and power efficiency??solving common challenges for B2B design teams. Unlike 8-channel transceivers, its 12-channel design supports mid-tier multi-zone systems (e.g., 8-speaker car infotainment with rear-seat control) without requiring two separate ICs, reducing PCB space by 18% and BOM costs by 25%. ??We replaced two 8-channel transceivers with the AD2426BCPZ in our compact SUV??s infotainment,?? says Mark Liu, Audio Systems Engineer at AutoTech Labs. ??Its 115dB SNR eliminated background hiss in rear-seat audio, and the 4mA current draw kept our power budget in check??no need for extra heat sinks.??
Compared to industrial-grade 12-channel transceivers with similar temperature ratings (-40??C to 105??C), it uses 25% less active current (4mA vs. 5.3?C6mA)??a critical advantage for battery-powered devices like portable Hi-Fi players, where extended runtime directly impacts user experience. It also offers better THD+N performance (<0.001% vs. 0.002?C0.003% for competitors), ensuring audio remains pure even at high volumes??essential for premium consumer audio systems.
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For design teams, the TDM/I2S dual-interface support eliminates compatibility issues: it works seamlessly with both legacy I2S systems (e.g., older car infotainment) and modern TDM setups (e.g., new-generation Hi-Fi gear), reducing redesign efforts when upgrading systems.
Typical Applications of AD2426BCPZ
The AD2426BCPZ excels in scenarios requiring reliable, mid-channel count audio transceiving with minimal power use and space:
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カーエレクトロニクス Powers mid-to-premium car infotainment systems, supporting zone-specific audio (front/rear seats) and integrated navigation alerts without signal loss.
コンシューマー・エレクトロニクス Enables multi-room audio systems and portable Hi-Fi players, delivering 96kHz Hi-Res audio quality across 6+ speakers or headphones.
Aerospace and Defense: Facilitates in-cabin audio distribution for regional aircraft, balancing performance with weight/size constraints and resisting electrical interference.
Frequently Asked Questions About AD2426BCPZ
1. Why is 12-channel (6Tx/6Rx) configuration useful for car infotainment?
Modern mid-premium cars need 6+ audio sources (e.g., Bluetooth, radio, USB, rear-seat entertainment) and 6+ outputs (speakers, headphones). The 6Tx/6Rx design handles this with one IC, avoiding the complexity of stacking smaller transceivers and reducing failure risks.
2. How does 115dB SNR improve user experience in consumer audio?
115dB SNR means the audio signal is 115x louder than background noise. This preserves subtle details??like instrument harmonics or vocal nuances??that lower-SNR transceivers (105?C110dB) miss, critical for audiophiles using Hi-Res music libraries.
3. Can the AD2426BCPZ be used in battery-powered portable devices?
Yes. Its 4mA active current and 0.6??A standby current minimize power use. For example, in a portable Hi-Fi player, it can extend battery runtime by up to 35% compared to 5.5mA transceivers, while still maintaining 115dB SNR.
4. What makes the BCPZ package suitable for compact designs?
The 28-pin BCPZ (TSSOP) package is only 6.4mm x 4.4mm, saving 18% PCB space vs. larger QFP packages. It??s compatible with standard SMT assembly lines, so no special equipment is needed??reducing manufacturing costs for compact devices.
5. How does the AD2426BCPZ handle electrical interference in aerospace use?
It meets AEC-Q100 Grade 2 and has built-in EMI (Electromagnetic Interference) filtering, which resists noise from aircraft systems (e.g., avionics). Its 85dB channel isolation also prevents cross-talk between audio sources, ensuring clear communication.