Cochlear implants help people with severe to profound sensorineural hearing loss regain the ability to perceive sound. Unlike hearing aids, cochlear implants convert sound into electrical signals that directly stimulate the auditory nerve, making precise timing essential for natural and reliable audio processing.
A typical cochlear implant consists of two parts:
For both modules, the clock source plays a critical role. Any frequency instability can affect voice decoding, synchronization, and overall sound quality. Designers therefore require oscillators with:
The YXC YSO131LR is a low-power CMOS oscillator designed for compact, battery-powered medical electronics, making it an excellent choice for cochlear implant systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Frequency | 8 MHz to 50 MHz (custom frequencies available) |
| Common Frequencies | 16 MHz, 24 MHz, 26 MHz, 38.4 MHz |
| Supply Voltage | 1.2 V |
| Current Consumption | As low as 1 mA |
| Output | CMOS |
| Operating Temperature | -40°C to +85°C |
| Package Options | 2016, 2520, 3225 |
Wearable medical devices require extended operating time between charges. With current consumption as low as 1 mA, the YSO131LR helps reduce overall system power consumption, extending battery life for external speech processors without compromising performance.
Medical devices continue to shrink in size to improve comfort and reduce surgical complexity. The YSO131LR is available in compact 2016 and 2520 SMD packages, allowing engineers to save valuable PCB space while supporting lightweight product designs.
The oscillator delivers ±30 ppm frequency stability over -40°C to +85°C, ensuring accurate timing for DSP processing, speech decoding, wireless communication, and synchronized electrode stimulation. Stable clock performance contributes to clearer sound reproduction and more reliable system operation.
YXC provides timing solutions for demanding medical electronics where reliability, low power, and compact design are essential.
The YSO131LR combines:
With flexible customization capabilities and a stable manufacturing supply chain, YXC helps medical device developers accelerate product development while meeting the stringent performance requirements of cochlear implant applications.
