AmplifierCircuits

General Description: The CS44130 is a high-efficiency power stage for digital Class-D amplifiers designed to recieve PWM signals from a modulator such as the CS44800/600. The power stage outputs can be configured as four half-bridge channels, two half-bridge channels and one full-bridge channel, two full-bridge channels, or one parallel full-bridge channel. Features:  Configurable Outputs (10% THD+N) – 2 x 30 W into 8 Ω, Full-Bridge – 1 x 60 W into 4 Ω, Parallel Full-Bridge – 4 x 15 W into 4 Ω, Half-Bridge – 2 x 15 W into 4 Ω, Half-Bridge + 1 x 30 W  into 8 Ω, Full-Bridge  Space-Efficient, Thermally-Enhanced QFN  Package  PWM Popguard® Technology for Quiet Startup  > 100 dB Dynamic Range - System Level  < 0.12% THD+N @ 1 W - System Level  Built-In Protection with Error Reporting – Over-Current – Thermal Warning – Thermal Fault – Under-Voltage  Single (+10.8 V to +21 V) High Voltage Supply  High Efficiency (90%) ...

Circuit Diagram: 3 BAND DIGITAL CONTROLLED AUDIO PROCESSOR

General Description: The TA2021B is a 25W (4Ω) continuous average per channel Class-T Digital Audio Power Amplifier IC  using Tripath’s proprietary Digital Power Processing (DPPTM) technology. Class-T amplifiers offer both  the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. Applications  DVD Receivers  Mini/Micro Component Systems  Computer / PC Multimedia  Cable Set-Top Products  Televisions  Battery Powered Systems Features: Class-T architecture  Single Supply Operation  “Audiophile” Quality Sound  0.05% THD+N @ 13W 4Ω 0.1% THD+N @15.5W 4Ω 0.1% IHF-IM @ 1W 4Ω High Power  25W @ 4Ω, 10% THD+N, VDD=14.6V  23.5W @ 4Ω, 10% THD+N, VDD=14.2V  14W @ 8Ω, 10% THD+N, VDD=14.2V  High Efficiency  88% @ 13.5W 8Ω 81% @ 25W 4Ω Dynamic Range = 100 dB  Mute and Sleep inputs  Turn-on & turn-off pop suppression  Over-current protection  O...