|Category||Multimedia => Audio => Amplifiers => Power Amplifiers => Stereo/Quad Channel|
|Description||2 X 37w Dual/quad Power Amplifier For Car Radio|
|Company||ST Microelectronics, Inc.|
|Datasheet||Download TDA7375A datasheet
HIGH OUTPUT POWER CAPABILITY x 43W/4 MAX x 37W/4 EIAJ 1KHz, 10% MINIMUM EXTERNAL COMPONENTS COUNT: NO BOOTSTRAP CAPACITORS NO BOUCHEROT CELLS INTERNALLY FIXED GAIN (26dB BTL) ST-BY FUNCTION (CMOS COMPATIBLE) NO AUDIBLE POP DURING ST-BY OPERATIONS DIAGNOSTIC FACILITIES CLIP DETECTOR OUT TO GND SHORT OUT TO VS SHORT SOFT SHORT AT TURN-ON THERMAL SHUTDOWN PROXIMITY Protections: OUPUT AC/DC SHORT CIRCUIT TO GND BLOCK DIAGRAM
VS ACROSS THE LOAD SOFT SHORT AT TURN-ON OVERRATING CHIP TEMPERATURE WITH SOFT THERMAL LIMITER LOAD DUMP VOLTAGE SURGE VERY INDUCTIVE LOADS FORTUITOUS OPEN GND REVERSED BATTERY ESD
DESCRIPTION The is a new technology class AB car radio amplifier able to work either in DUAL BRIDGE or QUAD SINGLE ENDED configuration. The exclusive fully complementary structure of the output stage and the internally fixed gain guaranABSOLUTE MAXIMUM RATINGS
Symbol Vop VS Vpeak IO Ptot Tstg, Tj Operating Supply Voltage DC Supply Voltage Peak Supply Voltage (for = 50ms) Output Peak Current (not repitive = 100µs) Output Peak Current (repetitive > 10Hz) Power Dissipation Tcase = 85°C Storage and Junction Temperature Parameter Value to 150 Unit °C
tee the highest power performances with extremely reduced component count. The on board clip detector simplifies gain compression operation. The fault diagnostic makes it possible to detect mistakes during car radio set assembly and wiring in the car. GENERAL STRUCTURESymbol Rth j-case Description Thermal Resistance Junction-case Max Value 1.8 Unit °C/W
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, 1KHz; T amb = 25°C, unless otherwise specified
Symbol VS Id VOS PO Parameter Supply Voltage Range Total Quiescent Drain Current Output Offset Voltage Output Power THD = 4 Bridge Single Ended Single Ended, = 14.4V, Bridge = 13.7V, Bridge Single Ended, to 4W Bridge, = 1KHz Single Ended = 10KHz Single Ended = 1KHz Bridge = 10KHz Bridge IN GV EIN Input Impedance Voltage Gain Voltage Gain Match Input Noise Voltage = 0; "A" weighted, S.E. Non Inverting Channels Inverting Channels Bridge to 22KHz SVR A SB ISB SB Ipin7 Supply Voltage Rejection Stand-by Attenuation ST-BY Current Consumption ST-BY In Threshold Voltage ST-BY Out Threshold Voltage ST-BY Pin Current Play Mode = 5V Max Driving Current Under Fault Icd off Icd on Vsat pin10 Clipping Detector Output Average Current Clipping Detector Output Average Current Voltage Saturation on pin = 5% Sink Current at Pin = 1W VST-BY to 1.5V Single Ended Bridge Single Ended Bridge RL = Test Condition Min. 8 Typ. Max. 18 150 Unit µA VMax. Output Power EIAJ Output Power Distortion
See built-in S/C protection description Pin 10 Pulled-up to 5V with = 4 Saturated square wave output.
|Some Part number from the same manufacture ST Microelectronics, Inc.|
|TDA7375AH 2 X 37W Dual/quad Power Amplifier For Car Radio|
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