Anterwell Technology Ltd.
Anterwell Technology Ltd. Large Original stock of IC Electronics Components, Transistors, Diodes etc. High Quality, Reasonable Price, Fast Delivery.
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TDA7385 electronics Components 4 x 30W QUAD BRIDGE CAR RADIO AMPLIFIER
HIGH OUTPUT POWER CAPABILITY:
4 x 35W/4Ω MAX.
4 x 30W/4Ω EIAJ
4 x 22W/4Ω @ 14.4V, 1KHz, 10%
4 x 18.5W/4Ω @ 13.2V, 1KHz, 10%
CLIPPING DETECTOR LOW DISTORTION
LOW OUTPUT NOISE
ST-BY FUNCTION
MUTE FUNCTION
AUTOMUTE AT MIN. SUPPLY VOLTAGE DETECTION
DIAGNOSTICS FACILITY FOR:
– CLIPPING
– OUT TO GND SHORT
– OUT TO VS SHORT
– THERMAL SHUTDOWN LOW EXTERNAL COMPONENT COUNT:
– INTERNALLY FIXED GAIN (26dB)
– NO EXTERNAL COMPENSATION
– NO BOOTSTRAP CAPACITORS
PROTECTIONS:
OUTPUT SHORT CIRCUIT TO GND, TO VS,ACROSS THE LOAD
VERY INDUCTIVE LOADS
OVERRATING CHIP TEMPERATURE WITH SOFT THERMAL LIMITER
LOAD DUMP VOLTAGE
FORTUITOUS OPEN GND
REVERSED BATTERY
ESD PROTECTION
DESCRIPTION
The TDA7385 is a new technology class AB Audio Power Amplifier in Flexiwatt 25 package
DESCRIPTION (continued)
Thanks to the fully complementary PNP/NPN output configuration the TDA7385 allows a rail to rail output voltage swing with no need of bootstrap capacitors. The extremely reduced components count allows very compact sets. The on-board clipping detector simplifies gain compression operations. The fault diagnostics makes it possible to detect mistakes during CarRadio assembly and wiring in the car.
ABSOLUTE MAXIMUM RATINGS
| Symbol | Parameter | Value | Unit |
| VCC | Operating Supply Voltage | 18 | V |
| VCC (DC) | DC Supply Voltage | 28 | V |
| VCC (pk) | Peak Supply Voltage (t = 50ms) | 50 | V |
| IO | Output Peak Current Repetitive (Duty Cycle 10% at f = 10Hz) Non Repetitive (t = 100µs) | 4.5 5.5 | A A |
| Ptot | Power dissipation, (Tcase = 70°C) | 80 | W |
| Tj | Junction Temperature | 150 | °C |
| Tstg | Storage Temperature | – 55 to 150 | °C |
designed for high end car radio applications.
PIN CONNECTION (Top view)
THERMAL DATA
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| Rth j-case | Thermal Resistance Junction to Case Max. | 1 | °C/W |
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| LT3971HMSE | 5000 | 17+ | MSOP8 | LTFJG |
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| LTC6104CMS8 | 5000 | 17+ | MSOP8 | LTCMP |
| LTC6104HMS8 | 5000 | 17+ | MSOP8 | LTCMP |
| LTC6104IMS8 | 5000 | 17+ | MSOP8 | LTCMP |
| LT4356CMS-3 | 5000 | 17+ | MSOP10 | LTFFK |
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| LT4356IMS-3 | 5000 | 17+ | MSOP10 | LTFFK |
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| LT3970HMS | 5000 | 17+ | MSOP10 | LTFDB |
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| LTC6930IMS8-7.37 | 5000 | 17+ | MSOP8 | LTCLC |
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