Audio Transmitters, Receivers, Transceivers Integrated Circuit
Audio transmission ICs act as the “movers” and “translators” within an audio signal chain. They do not amplify power or process complex effects; instead, they focus on stable, high-quality signal transfer between devices.
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(from leading manufacturers)
Global Tier-1 Manufacturers
1. Texas Instruments (TI)
TI’s Burr-Brown line is the industry standard for professional and Audiophile markets.
- Digital Audio Interface: PCM9211 (212kHz receiver with ADC), DIT4192 (transmitter), and DIX4192 (transceiver with SRC).
- USB Audio: PCM2704, PCM2706, and PCM2902 bridges.
- Analog Balanced Transmission: DRV134/135 (drivers) and INA134/137 (receivers).
2. Cirrus Logic
A leader in digital audio interface standards.
- Digital Audio: CS8416 (192kHz receiver) and CS8406 (matching transmitter).
- Mobile/Low Power: CS42L51 and CS42L42 high-integration CODECs.
3. Analog Devices (ADI)
Dominant in automotive and professional DSP environments.
- A2B Bus: AD2428W and AD2425W multi-channel automotive transceivers.
- Professional Interface: SSM2142 (balanced driver) and SSM2141 (receiver).
- Maxim Series: MAX98090 low-power CODEC and MAX345x USB transceivers.
4. Qualcomm
The primary choice for wireless audio and TWS earbuds.
- Bluetooth SoCs: QCC3040/3044 (mainstream), QCC5124/5141 (high-end with aptX Adaptive), and the classic CSR8675.
5. XMOS & Others
- XMOS: The high-end standard for USB asynchronous transfer. XU208 and XU316 enable ultra-low jitter USB-to-I2S/DSD.
- Realtek: Integrated PC and mobile solutions like the ALC5686 (USB-C cables) and ALC897 (motherboards).
- Silicon Labs: Specialized FM/AM chips like the Si4713 (transmitter) and Si4703 (receiver).
Domestic (China) Manufacturers and Key Models
1. Digital Audio Transceivers (S/PDIF / AES3)
These serve as replacements for Cirrus Logic’s CS8416 or TI’s DIR/DIT series.
| Manufacturer | Model | Description | Reference Equivalent |
| Microstep (瑞盟) | MS8416 / MS8413 | 192kHz Receiver, supports S/PDIF and AES3. | CS8416 / CS8413 |
| Naxing (纳祥科技) | NX8416 | 192kHz sampling, ultra-low jitter, HW/SW control. | CS8416 (Pin-to-Pin) |
| Zhiyuan (致远电子) | ZY8416 | Industrial-grade, used in power or industrial audio. | CS8416 |
2. USB Audio Bridges
Targeting PC/Mobile external sound cards and Type-C adapters.
| Manufacturer | Model | Description | Application |
| WCH (南京沁恒) | CH543 / CH549 | MCU with integrated USB stack and UAC support. | Entry sound cards, headsets |
| Chipsea (芯海科技) | CUB3141 / CS32G | High-performance bridging for docking/high bandwidth. | Docking stations, pro-converters |
| Brave-Semi (芯海旗下) | SSS1700 | Highly integrated single-chip headset solution. | USB-C cables, headsets |
3. Wireless Audio SoCs (Bluetooth / 2.4G RF)
China’s strongest audio IC sector, led by TWS and wireless mic applications.
| Manufacturer | Model | Description | Core Advantage |
| Actions (炬芯科技) | ATS2831 / ATS3031 | Integrated transceiver with ultra-low latency (<23ms). | Wireless monitors, gaming |
| Beken (博通集成) | BK9531 / BK9532 | Dedicated wireless voice chipset (V/U/5.8G bands). | Wireless microphones |
| Jieli (杰理科技) | AC696N / AC700N | High-integration dual-mode SoC; high volume. | Consumer speakers, TWS |
| Bestechnic (恒玄) | BES2500 / BES2600 | High-end SoC with high sampling rate and ANC. | Smart earbuds, Hi-Fi |
| M-View (山景集成) | BP1048B2 | 32-bit DSP audio processor for complex effects. | Karaoke, car audio, streaming |
4. Analog Line Drivers & Receivers
Replacements for TI’s DRV/INA series in long-distance balanced transmission.
| Manufacturer | Model | Description | Reference Equivalent |
| SGMICRO (圣邦微) | SGM8903 | Capless 3Vrms stereo line driver with charge pump. | TI DRV632 / DRV603 |
| 3PEAK (思瑞浦) | TPF632C | Differential 3Vrms driver; ultra-low distortion. | TI PCM1606 / DRV632 |
| Runic (润石科技) | RS134 / RS137 | Differential driver/receiver for CMRR improvement. | TI DRV134 / INA134 |
Core Definitions of Audio Transmitters, Receivers, Transceivers IC
- Audio Transmitters: The signal source. They package and encode internal digital audio (I2S, PCM) into signals suitable for transmission, such as RF, optical, or USB data streams.
- Audio Receivers: The signal endpoint. They capture external signals (Bluetooth, S/PDIF) and restore them to a digital format recognizable by the system’s DAC or processor.
- Audio Transceivers: A bidirectional hub. These integrate both sending and receiving functions into a single chip, supporting two-way talk or data exchange. Most modern high-end Bluetooth SoCs fall into this category.
Application Scenarios
- Consumer Electronics: Prioritizes low power and small footprints.
- TWS & Wireless Headphones: Bluetooth SoCs (Qualcomm QCC, Bestechnic BES) for bidirectional audio.
- Soundbars: Digital receivers (CS8416) for TV optical/coaxial input.
- USB Dongles: 2.4GHz proprietary protocols for low-latency gaming.
- Professional Audio: Focuses on high sampling rates (192kHz/24bit) and zero latency.
- Wireless Mics: U/V band transceivers (Beken BK series) for lag-free performance.
- Digital Snakes: Network audio chips (Dante) for multi-channel Ethernet transmission.
- Automotive Electronics: Requires high EMI resistance.
- Infotainment: A2B bus transceivers (ADI AD2428) use a single twisted pair to connect mics and speakers.
- Industrial & Broadcasting: Long-distance stability.
- Intercoms: Balanced drivers (TI DRV/INA) ensure clear audio over kilometers of cabling.