Overview
The Ezairo 7160 SL, part number E7160-0-102A57-AG, is an open-programmable DSP-based hybrid module designed by onsemi for high-performance, wireless hearing aids. This module integrates the Ezairo 7100 System-on-Chip (SoC), the RSL10 Bluetooth 5 radio SoC, 2 Mb of EEPROM memory, and necessary passive components for interfacing with transducers. It is optimized for low power consumption and high fidelity audio processing, making it suitable for various hearing aid styles including CIC, ITE, RITE, BTE, and mini-BTE.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| Power Supply Voltage (VBAT) | 1.05 | - | 2 | V | - |
| Current Consumption (IVBAT) at 10.24 MHz | - | 0.7 | - | mA | No activity on RSL10, filterbank: 30% load, CFX: 100% load |
| System Clock Speeds | 1.28 | - | 15.36 | MHz | - |
| System Dynamic Range | - | - | 85 | dB | - |
| Input Signal Dynamic Range | - | - | 110 | dB | - |
| Output THD+N at 1 kHz | - | - | -78 | dB | -6 dBFS, 8 kHz bandwidth |
Key Features
- Programmable Flexibility: The open-programmable DSP-based system allows customization of signal processing algorithms and features without modifying the chip.
- Fully Integrated Hybrid: Includes the Ezairo 7100 SoC, RSL10 radio SoC, 2 Mb of EEPROM memory, and necessary passive components for direct interface with transducers.
- Fitting Support: Supports various fitting protocols such as Microcard, HI-PRO 2, HI-PRO USB, QuickCom, and NOAHlink, including NOAHlink’s audio streaming feature.
- Quad-Core Architecture: Features a CFX DSP, a HEAR Configurable Accelerator, an Arm Cortex-M3 Processor Subsystem, and a programmable Filter Engine.
- Ultra-Low Power Consumption: Less than 0.7 mA at 10.24 MHz system clock, ensuring low power consumption.
- Data Security: Sensitive program data can be encrypted for storage in EEPROM to protect proprietary algorithms.
- High Speed Communication Interface: Fast I2C-based interface for quick download, debugging, and general communication.
Applications
The Ezairo 7160 SL is specifically designed for use in high-performance, wireless hearing aids. It supports various hearing aid styles, including Completely-In-Canal (CIC), In-The-Ear (ITE), Receiver-In-The-Ear (RITE), Behind-The-Ear (BTE), and mini-BTE. The module is also suitable for applications requiring Bluetooth Low Energy and other 2.4 GHz wireless protocols, such as stereo audio streaming and control over Bluetooth Low Energy.
Q & A
- What is the Ezairo 7160 SL hybrid module? The Ezairo 7160 SL is an open-programmable DSP-based hybrid module designed for wireless, high-performance hearing aids, integrating the Ezairo 7100 SoC, RSL10 radio SoC, and 2 Mb of EEPROM memory.
- What are the key components of the Ezairo 7160 SL? The key components include the Ezairo 7100 SoC, RSL10 Bluetooth 5 radio SoC, and 2 Mb of EEPROM memory.
- What are the system clock speed options for the Ezairo 7160 SL? The system clock speeds range from 1.28 MHz to 15.36 MHz.
- What is the power consumption of the Ezairo 7160 SL? The power consumption is less than 0.7 mA at 10.24 MHz system clock.
- Does the Ezairo 7160 SL support data security? Yes, sensitive program data can be encrypted for storage in EEPROM.
- What types of hearing aids can the Ezairo 7160 SL be used in? It can be used in CIC, ITE, RITE, BTE, and mini-BTE hearing aids.
- What wireless protocols does the Ezairo 7160 SL support? It supports Bluetooth Low Energy and other 2.4 GHz wireless protocols.
- What development tools are available for the Ezairo 7160 SL? Available tools include the Ezairo Preconfigured Suite and the Open-Programmable Evaluation & Development Kit (EDK).
- Is the Ezairo 7160 SL RoHS compliant? Yes, the Ezairo 7160 SL is RoHS compliant.
- What is the typical output dynamic range of the Ezairo 7160 SL? The typical output dynamic range is 90 dB.
