Product Summary

The CS44417-EH is a high-efficiency power stage for digital Class-D amplifiers designed to input PWM signals from a modulator such as the CS4525. 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. The applications of the CS44417-EH include Integrated Digital Televisions, Portable Docking Stations, Mini/Micro Shelf Systems, Powered Desktop Speakers.

Parametrics

CS44417-EH absolute maximum ratings: (1)Power Stage, Outputs Switching and Under Load, VP: -0.3 to 19.8V; Power Stage No Output Switching, VP: -0.3 to 23.0V; Digital and Analog Core (Note 2), VD: -0.3 to 6.0V; (2)Input Current (Note 3), Iin: ±10 mA; (3)Digital Input Voltage, VIND: -0.3 VD + 0.4 V; (4)Ambient Operating Temperature-Power Applied, Commercial, TA: -40 to +85℃; (5)Storage Temperature, Tstg: -65 to +150℃.

Features

CS44417-EH features: (1)Configurable Outputs (10% THD+N), 2 x 15 W into 8 Ω, Full-Bridge; 1 x 30 W into 4 Ω, Parallel Full-Bridge; 4 x 7 W into 4 Ω, Half-Bridge; 2 x 7 W into 4 Ω, Half-Bridge + 1 x 15 W; (2)into 8 Ω, Full-Bridge; (3)Space-Efficient Thermally-Enhanced QFN, No External Heat Sink Required; (4)> 100 dB Dynamic Range - System Level; (5)0.1% THD+N @ 1 W - System Level; (6)Built-In Protection with Error Reporting, Over-current; Thermal Warning and Overload; Under-voltage; (7)+9 V to +18 V High Voltage Supply; (8)PWM Popguard. for Quiet Startup; (9)High Efficiency (85%); (10)Low RDS(ON); (11)Low Quiescent Current; (12)Low Power Standby Mode.

Diagrams

CS44417-EH block diagram