GB3221 - ON Semiconductor

GB3221 Preconfigured DSP System

The Paragon GB3221 hybrid is a programmable DSP system based on a multi−channel compression circuit. This hybrid is designed for low impedance receivers. It can be used as a platform for a wide range of hearing aid applications. It also offers a separate supply line to the A/D and H−Bridge circuits. The reflowable thinSTAX® packaging enables easy integration.

Features

• High Power Applications
• Highly Configurable, Versatile DSP Platform
• High Fidelity, Multi−channel AGC Signal Processing
• 93 dB Input Dynamic Range with HRXt Headroom Extension
• Fully Programmable via Serial Data Interface
• High Performance Data Converters
  – Dual, Over−sampled A/Ds; Over−sampled D/A with Efficient Switched−mode Output Power Amp
• High−fidelity Audio Quality
• Drives Zero−bias 2−terminal Receivers
• Multiple Communication Rates up to 85.3 kb/s
• Multi−memory
• Internal/External Volume Control
• Volume Control Taper determined by External VC
• Two Memory Select Pads
• Tri.