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Showing posts with the label diagnostic facility

2 x 22 W BTL car radio power amplifier with diagnostic facility

Requires very few external componentsFlexible in use - quad, single ended or stereo BTL 2C-bus controlDynamic distortion detectorThermal protectionOutput status informationPower supply dip detectionHigh output powerMUTE/sleep mode by writing to I2C-busStand-by modeFixed gainGood ripple rejectionLoad dump protectionAC/DC short circuit safe to ground and VPReverse polarity safeLow offset voltage at outputCapable of handling high energy at outputs (VP = 0 V)Electrostatic discharge protectionNo switch-ON/switch-OFF plopFlexible leadsLow thermal resistanceIdentical inputs (inverting and non-inverting).
The TDA1551Q is an integrated class-B output amplifier encased in a 17-lead single-in-line plastic power package. The device contains 4 × 11 W single-ended (SE) or 2 × 22 W BTL amplifiers and is intended for use in car radio applications.
Circuit Diagram