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TDA1553Q Fiches technique(PDF) 4 Page - NXP Semiconductors |
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TDA1553Q Fiches technique(HTML) 4 Page - NXP Semiconductors |
4 / 10 page July 1994 4 Philips Semiconductors Product specification 2 x 22 W BTL stereo car radio power amplifier with loudspeaker protection TDA1553Q PINNING FUNCTIONAL DESCRIPTION The TDA1553Q contains two identical amplifiers with differential input stages and can be used for bridge applications. The gain of each amplifier is fixed at 26 dB. Special features of this device are: Mute/stand-by switch • low stand-by current (< 100 µA) • low mute/stand-by switching current (low cost supply switch) • mute facility. Loudspeaker protection When a short-circuit to ground is made, which forces a DC voltage across the loudspeaker of ≥ 1 V, a built-in protection circuit becomes active and limits the DC voltage across the loudspeaker to ≤ 1 V. The delay time of the protection circuit can be controlled by an external capacitor connected to pin 12. RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) 1 IP1 input 1 8 GND2 power ground 2 (substrate) 2 GND ground (signal) 9 OUT2B output 2B 3VP1 positive supply voltage 1 10 VP2 positive supply voltage 2 4 OUT1A output 1A 11 M/SS mute/stand-by switch 5 GND1 power ground 1 (substrate) 12 LSP loudspeaker protection 6 OUT1B output 1B 13 IP2 input 2 7 OUT2A output 2A PARAMETER CONDITIONS SYMBOL MIN. MAX. UNIT Supply voltage operating VP − 18 V non-operating VP − 30 V load dump protected during 50 ms; tr ≥ 2.5 ms VP − 45 V Non-repetitive peak output current IOSM − 6A Repetitive peak output current IORM − 4A Storage temperature range Tstg −55 + 150 °C Junction temperature Tj − 150 °C AC and DC short-circuit-safe voltage VPSC − 18 V Energy handling capability at outputs VP = 0 V − 200 mJ Reverse polarity VPR − 6V Total power dissipation see Fig.2 Ptot − 60 W |
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