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General Description
This small, low-power and fully USB-compliant IC makes it easy to build digital-headset accessories for mobile/portable devices. It provides stereo playback and recording, with optional FM Radio, across a USB link. The PNX0162 moves the core digital headset functions to the USB connector of a mobile/portable device, so the connector performs battery charging, PC synchronization and headset operations. In this way manufacturers can deliver systems with just a USB connector, and thereby simplify their designs, shrink footprint and reduce cost.
Key Features
- Full-speed (12 Mbit/s) USB devices fully compliant with USB host or USB OTG
- Single-chip solution for USB headset
- USB bus powered (Vbus at 5V)
- Very low power consumption (~7 mA at Vbus for playback mode)
- Embedded cell phone immunity filtering
- Stereo record and playback at sample rate of 48 kHz or 44.1 kHz
- USB audio and HID classes
- Embedded anti-plop circuitry
- FM radio listening support, via low-power analog bypass mode; USB FM recording mode support
- ARM7TDMI core with on-chip SRAM and ROM
- Wide range of connectivity and audio interfaces
- Intelligent power management
- Available in cost-effective ROM
- 76-pin HUQFN package (6x6 mm with o.5 mm pitch)
Applications
- Headsets for mobile and portable devices
- PC USB audio, such as USB music/VoIP/gaming headsets, USB speakers
- USB docking station for mobile and portable devices
Connection Diagram
Supporting Documents
| Type: | Description: | File Size: | Download: |
| Flyer | PNX0162 single-chip solution for USB audio | 628KB | download |
