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Analog Input / BTL Output Class-D Speaker Amplifier - BD5426EFS

BD5426EFS is a 10W + 10W stereo class-D power amplifier IC, developed for space-saving and low heat-generationapplications such as low-profile TV sets. The IC employs state-of-the-art Bipolar, CMOS, and DMOS (BCD) processtechnology that eliminates turn-on resistance in the output power stage and internal loss due to line resistances up to anultimate level. With this technology, the IC has achieved high efficiency of 87% (9W + 9W output with 8O load). The IC, inaddition, employs a compact back-surface heat radiation type power package to achieve low power consumption and lowheat generation and eliminates necessity of installing an external radiator, up to a total output of 20W. This product satisfiesboth needs for drastic downsizing, low-profile structures and powerful, high-quality playback of the sound system.

BD5426EFS Data Sheet

Specifications Vcc(Min.)[V] 10.0 Vcc(Max.)[V] 16.5 Iq[mA] 25.0 Ext. Gain No Maximum Output Gain[dB] 28.0 I/F Stand alone Additional Feature Soft clip Speaker Amp Outputs 2.0 Speaker Amp THD+N[%] 0.1 Speaker Amp Input Type Analog Signal Speaker Amp Type Class D Speaker Amp Output Power(Max.)[W] 10 Operating Temperature (Min.)[°C] -40 Operating Temperature (Max.)[°C] 85 Applications Portable Data Terminal Embedded PC Meter for Medical Treatments Portable Monitor for Medical LED Lighting Ultrasound System for Portable Single Board Computer Blood Pressure Monitor CPAP Ultrasound System Data Management Apparatus for Remote Healthcare TV

Technical Documents Application Note Package Information Package Information Part Explanation Pin Configuration

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