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Showing posts with the label AD1991

2 x 20 W Class D / 1-Bit Audio Power Output Stage

FEATURES Class D/1-Bit Audio Power Output Stage5 V Analog and Digital Supply VoltagesPower Stage Power Supply 8 V to 20 VOutput Power @ 0.1% THD + NStereo Mode2 20 W @ 4  @ 14.4 V2 20 W @ 8  @ 20 VMono Mode1 40 W @ 4  @ 20 VRON < 320 m (per Transistor)Efficiency > 85% @ Full Power/8 Clickless Mute FunctionTurn-On and Turn-Off Pop SuppressionShort-Circuit ProtectionOvertemperature ProtectionData Loss Protection2-Channel BTL Outputs or4-Channel Single-Ended Outputs52-Lead Exposed Pad TQFP PackageLow Cost DMOS Process
APPLICATIONS: PC Audio SystemsMinicomponentsAutomotive AmplifiersHome Theater SystemsTelevisionsGENERAL DESCRIPTION:
The AD1991 is a 2-channel BTL or 4-channel single-ended class D audio power output stage. The part is configured during reset to be in either 2-channel mode or 4-channel mode. To protect the IC as well as the connected speakers, the AD1991 provides turn-on and turn-off pop suppression, short-circuit protection, and overtemperature shutdown. To control…