LM4936MHX/NOPB National Semiconductor, LM4936MHX/NOPB Datasheet
LM4936MHX/NOPB
Specifications of LM4936MHX/NOPB
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LM4936MHX/NOPB Summary of contents
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... Note 2: An LM4936MH that has been properly mounted to the circuit board and forced-air cooled will deliver 2.2W into 3Ω. Connection Diagram See NS Package Number MXA28A for Exposed-DAP TSSOP Boomer ® registered trademark of NationalSemiconductor Corporation. © 2005 National Semiconductor Corporation Key Specifications THD+N O into 3Ω n into 4Ω ...
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Block Diagram www.national.com FIGURE 1. LM4936 Block Diagram 2 20117801 ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Storage Temperature Input Voltage Power Dissipation (Note 11) ESD Susceptibility (Note 12) ESD Susceptibility (Note 13) Junction Temperature Soldering Information Small Outline Package Vapor Phase (60 sec ...
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Electrical Characteristics for Control Interface The following specifications apply for V Symbol Parameter V Digital Input High Voltage IH V Digital Input Low Voltage IL t SPI ENABLE Setup Time ES t SPI ENABLE Hold Time EH t SPI ENABLE ...
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Electrical Characteristics for Bridged Mode Operation The following specifications apply for V Symbol Parameter N Output Noise OUT X Channel Separation (Note 17) talk Note 3: The θ given is for an MXA28A package whose exposed-DAP is soldered to an ...
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Typical Application www.national.com FIGURE 2. Typical Application Circuit 6 20117812 ...
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Address Mode Control Register Volume Control Register (See Table Sense Pin Logic ...
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Typical Performance Characteristics THD+N vs Output Power/Channel 3Ω V-BTL f = 1kHz, 80kHz BW THD+N vs Output Power/Channel 4Ω V-BTL f = 1kHz, 80kHz ...
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Typical Performance Characteristics THD+N vs Output Power/Channel 8Ω V- 1kHz 220µF, 80kHz BW OUT THD+N vs Output Power/Channel 32Ω V-SE ...
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Typical Performance Characteristics THD+N vs Output Power/Channel 4Ω V-BTL f = 1kHz, 80kHz BW THD+N vs Output Power/Channel 8Ω V-BTL f = 1kHz, 80kHz ...
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Typical Performance Characteristics THD+N vs Output Power/Channel 32Ω V- 1kHz 220µF, 80kHz BW OUT THD+N vs Output Voltage 10kΩ, Dock Pins DD LDOCK ...
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Typical Performance Characteristics PSRR vs Frequency 200mVp-p DD RIPPLE Inputs Terminated, 80kHz BW Crosstalk vs Frequency 8Ω V-BTL P = 1W, 80kHz BW OUT Crosstalk vs Frequency ...
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Typical Performance Characteristics Headphone Sense Threshold vs Supply Voltage R = 8Ω 1V 220µF, 80kHz BW OUT Output Power/Channel vs Supply Voltage R = 3Ω 2V/V, 80kHz BW L V-BTL Output Power/Channel ...
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Typical Performance Characteristics Output Power/Channel vs Supply Voltage R = 32Ω 1V/V, 80kHz BW L V-SE Power Dissipation vs Output Power/Channel = 2V/V, THD+N ≤ 1%, 80kHz 5V V-BTL Power Dissipation vs Output ...
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Typical Performance Characteristics Supply Current vs Supply Voltage R = 8Ω L Output Power/Channel vs Load Resistance Output Power/Channel vs Load Resistance Note 19: These curves show the thermal dissipation ability of the LM4936MH at different ambient temperatures given these ...
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Typical Performance Characteristics 2 500LFPM + 2in : The part is soldered to a 2in 2 2in on bottom: The part is soldered to a 2in 2 2 2in : The part is soldered to a 2in , 1oz. copper ...
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... Example PCB layouts are shown in the Demon- stration Board Layout section. Further detailed and specific information concerning PCB layout, fabrication, and mounting is available in National Semiconductor’s AN1187. PCB LAYOUT AND SUPPLY REGULATION CONSIDERATIONS FOR DRIVING 3Ω AND 4Ω LOADS Power dissipated by a load is a function of the voltage swing across the load and the load’ ...
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Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 2, the LM4936 output stage consists of two pairs of operational amplifiers, forming a two-channel (channel A and channel B) stereo amplifier. (Though the following discusses channel A, it applies equally ...
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Application Information the length of leads and traces that connect capacitors be- tween the LM4936’s power supply pin and ground as short as possible. Connecting a 1µF capacitor, C BYPASS pin and ground improves the internal bias voltage’s stability and ...
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Application Information 0.01µF 0.1µF 0.22µF 0.47µF 1.0µF 200ms DOCKING STATION INTERFACE Applications such as notebook computers can take advan- tage of a docking station to connect to external devices such as monitors or audio/visual equipment that ...
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Application Information voltage applied to the HP SENSE pin at approximately 50mV. This 50mV puts the LM4936 into bridged mode op- eration. The output coupling capacitor blocks the amplifier’s half supply DC voltage, protecting the headphones. The HP SENSE threshold ...
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Application Information Serial Number ...
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Application Information AUDIO POWER AMPLIFIER DESIGN Audio Amplifier Design: Driving 1W into an 8Ω Load The following are the desired operational parameters: Power Output: Load Impedance: Input Level: Input Impedance: Bandwidth: 100 Hz−20 kHz The design begins by specifying the ...
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Application Information SPI OPERATIONAL REQUIREMENTS 1. The maximum clock rate is 5MHz for the CLK pin. 2. CLK must remain logic-high for at least 100ns (t the rising edge of CLK, and CLK must remain logic-low for at least 100ns ...
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Application Information TIMING DIAGRAMS (Continued) 2 FIGURE Bus Format 2 FIGURE Timing Diagram 25 20117895 20117896 www.national.com ...
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LM4936 MH Exposed-DAP Board Artwork Composite View Top Layer Internal Layer 2 www.national.com (Notes 8, 9) 20117844 20117848 20117846 26 Silk Screen 20117847 Internal Layer 1 20117845 Bottom Layer 20117843 ...
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Designator Value Tolerance 20kΩ 1% IN1 IN2 20kΩ 20kΩ 20kΩ 1% DOCK1 DOCK2 20kΩ 1% BS1 BS2 R , ...
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