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MAX13301AUMV Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX13301AUMV Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 37 page  ________________________________________________________________ _Maxim Integrated Products_ _ 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 4-Channel, Automotive Class D Audio Amplifier 19-5955; Rev 0; 6/11 General Description The MAX13301 combines four high-efficiency Class D amplifiers with integrated diagnostic hardware for reli- able automotive audio systems, and delivers up to 80W at 10% THD+N per channel into 4I when operating from a 24V supply. The internal diagnostics evaluate each channel’s output impedance to check for shorts across the outputs, to the battery, or to ground. The I2C interface allows the sys- tem to query critical device parameters such as device temperature and output clipping. The device is program- mable to four different I2C addresses. The audio amplifiers feature single-ended analog inputs with a common negative input. The MAX13301 has a fixed gain of 26dB. The Class D amplifier has 10 programmable switching frequencies between 300kHz and 750kHz. The BTL outputs are protected against short circuits and thermal overload. The outputs can be configured as a 2-, 3-, or 4-channel amplifier. The device provides 50V load-dump protection, and is offered in the thermally enhanced, 48-pin TSSOP-EPR package operating over the -40NC to +125NC temperature range. Applications Car Stereo Rear-Seat Entertainment Units Discrete Amplifier Modules Active Loudspeaker Systems Radio Head Units Mobile Surround Systems Features S High_Output_Power_(10%_THD+N) 2_x_160W_into_2I_at_24V 4_x_80W_into_4I_at_24V S 2_Channels_Can_Be_Paralleled S Feedback_After_the_Filter Improves_THD+N Low_Output_Impedance High-Frequency_Response Improved_Damping_of_Complex_Loads Enables_Low-Cost_Inductors S 102dB_SNR S Low_0.04%_THD+N S 70dB_PSRR S On-Board_Diagnostics Short-to-Battery/GND Open/Shorted_Load Tweeter_Detect S Protection_and_Monitoring_Functions: Short-Circuit_Protection 50V_Load-Dump_Protection Programmable_Clip_Detection DC_Offset_Detection Open_Battery/GND_Tolerant Thermal-Overload_Protection Thermal_Warning_Indication S Four-Address_I2C_Control_Interface S Low-Power_Shutdown_Mode S Up_to_90.5%_Efficiency S -40°C_to_+125°C_Ambient_Operating_Temperature S 48-Pin_TSSOP-EPR_(Top_Side_Exposed_Pad)_Package S AEC-Q100_Qualified Ordering Information Note: The device operates over the -40°C to +125°C operating temperature range. /V denotes an automotive qualified part. +Denotes a lead(Pb)-free/RoHS-compliant package. *EPR = Top side exposed pad. Typical Operating Circuit appears at end of data sheet. EVALUATION _KIT AVAILABLE PART PIN-PACKAGE SUPPLY_VOLTAGE_ RANGE_(V) MAX13301AUM/V+ 48 TSSOP-EPR* 6 to 25.5 |
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