Features: ` DMOS POWER OUTPUT` NON-SWITCHING HI-EFFICIENCY` HIGH OUTPUT POWER CAPABILITY 4x28W/4W @ 14.4V, 1KHZ, 10% THD, 4x40W EIAJ` MAX. OUTPUT POWER 4x72W/2W` FULL I2C BUS DRIVING: ST-BY INDEPENDENT FRONT/REAR SOFT PLAY/MUTE SELECTABLE GAIN 30dB 16dB (FOR LOW NOISE LINE OUTPUT FUNCTION) HIGH EF...
37994: Features: ` DMOS POWER OUTPUT` NON-SWITCHING HI-EFFICIENCY` HIGH OUTPUT POWER CAPABILITY 4x28W/4W @ 14.4V, 1KHZ, 10% THD, 4x40W EIAJ` MAX. OUTPUT POWER 4x72W/2W` FULL I2C BUS DRIVING: ST-BY INDEPEND...
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Symbol | Parameter | Value | Unit |
Vop | Operating Supply Voltage | 18 | v |
VS | DC Supply Voltage | 28 | v |
Vpeak | Peak Supply Voltage (for t = 50ms) | 50 | v |
VCK | CK pin Voltage | 6 | V |
VDATA | Data Pin Voltage | 6 | v |
IO | Output Peak Current (not repetitive t = 100ms) | 8 | A |
IO | Output Peak Current (repetitive f > 10Hz) | 6 | A |
Ptot | Power Dissipation Tcase = 70°C | 85 | W |
Tstg, Tj | Storage and Junction Temperature | -55 to 150 |
The 37994 is a new BCD technology Quad Bridge type of car radio amplifier in Flexiwatt27 package specially intended for car radio applications. Thanks to the DMOS output stage the 37994 has a very low distortion allowing a clear powerful sound. Among the features, its superior efficiency performance coming from the internal exclusive structure, makes it the most suitable device to simplify the thermal management in high power sets.The dissipated output power under average listening condition is in fact reduced up to 50% when compared to the level provided by conventional class AB solutions.This device is equipped with a full diagnostics array that communicates the status of each speaker through the I2C bus.