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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 INDEPENDENT FRONT/REAR SOFT PLAY/MUTE SELECTABLE GAIN 30dB 16dB (FOR LOW NOISE LINE OUTPUT FUNCTION) HIGH EF...

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SeekIC No. : 004229233 Detail

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...

37994 Data Sheet

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Part Number:
37994
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/9/16

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Product Details

Description



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 EFFICIENCY ENABLE/DISABLE
I2C BUS DIGITAL DIAGNOSTICS
` FULL FAULT PROTECTION
` DC OFFSET DETECTION
` FOUR INDEPENDENT SHORT CIRCUIT PROTECTION
` CLIPPING DETECTOR PIN WITH SELECTABLE THRESHOLD (2%/10%)
` ST-BY/MUTE PIN
` LINEAR THERMAL SHUTDOWN
` ESD PROTECTION


Pinout

Connection Diagram


Specifications

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



Description

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.




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