STEVAL-IFS012V7 STMicroelectronics

TDA7240A 20W BRIDGE AMPLIFIER FOR CAR RADIO . COMPACT HEPTAWATT PACKAGE FEW EXTERNAL COMPONENTS . OUTPUT PROTECTED AGAINST SHORT . CIRCUITS TO GROUND AND ACROSS LOAD . DUMP TRANSIENT THERMAL SHUTDOWN . LOUDSPEAKER PROTECTION HIGH CURRENT CAPABILITY Heptawatt H Heptawatt V . LOW DISTORTION/LOW NOISE ORDERING NUMBERS: TDA7240AH TDA7240AV Reliable operation is guaranteed by a comprehen- DESCRIPTION sive array of on-chip protection features. These in- clude protection against AC and DC output short The TDA7240A is a 20W bridge audio amplifier IC circuits (to ground and across the load), load dump designed specially for car radio applications. transients, and junction overtemperature. Additio- Thanks to the low external part count and compact Heptawatt 7-pin power package the TDA7240A nally, the TDA7240A protects the loudspeaker when occupies little space on the printed circuit board. one output is short-circuited to ground. Figure 1: Test and Application Circuit December 1998 1/8 Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) TDA7240A PIN CONNECTION (Top view) ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V Operating Supply Voltage 18 V s V DC Supply Voltage 28 V s V Peak Supply Voltage (for 50ms) 40 V s I (*) Peak Output Current (non repetitive t = 0.1ms) 4.5 A o I (*) 3.5 A o Peak Output Current (repetitive f 10Hz) P 16 W tot Power Dissipation at Tcase = 85C T , T Storage and Junction Temperature 40 to 150 C stg j (*) Internally limited THERMAL DATA Symbol Parameter Value Unit R Thermal Resistance Junction-case Max. 4 V th j-case 2/8 Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s)