GP520A Overview
The GP520A is a programmable analog signal path IC designed for use in hearing instruments. The GP520A’s programmable parameters are adjusted by external programming currents, such as generated by the GP521. The GP520A provides a 2.5 µ A reference current for use by the GP521.
GP520A Key Features
- programmable parameters
- low pass filter
- high pass filter
- AGC threshold
- release time
- receiver bias voltage
- on-chip voltage regulator
- typical gain 60 dB
- voltage drive output stage
- telecoil preamp STANDARD PACKAGING