LM4950TS National Semiconductor, LM4950TS Datasheet
LM4950TS
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LM4950TS Summary of contents
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... The LM4950 is a unity-gain stable and can be configured by external gain-setting resistors. Typical Application FIGURE 1. Typical Bridge-Tied-Load (BTL) Audio Amplifier Application Circuit Boomer ® registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Key Specifications j Quiscent Power Supply Current j P ...
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... Connection Diagrams www.national.com Plastic Package, TO-263 Top View U = Wafer Fab Code Z = Assembly Plant Code XY = Date Code TT = Die Traceability Order Number LM4950TS See NS Package Number TS9A Plastic Package, TO-220 Top View U = Wafer Fab Code Z = Assembly Plant Code XY = Date Code TT = Die Traceability Order Number LM4950TA ...
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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 (pin 6, referenced to GND, pins 4 and 5) Storage Temperature Input Voltage pins 3 and 7 pins and 9 Power Dissipation (Note 3) ESD Susceptibility (Note 4) ...
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Electrical Characteristics V Note 6: Typicals are measured at 25˚C and represent the parametric norm. Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level). Note 8: Datasheet min/max specification limits are guaranteed by design, test, or statistical ...
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Typical Performance Characteristics THD+N vs Frequency V = 12V 8Ω BTL operation, P OUT THD+N vs Frequency V = 12V 8Ω BTL operation, P OUT THD+N vs Frequency V = 12V, R ...
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Typical Performance Characteristics THD+N vs Frequency V = 12V 4Ω, SE operation both channels driven and loaded (average shown 1W, A OUT V THD+N vs Frequency V = 12V 8Ω, SE operation, ...
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Typical Performance Characteristics THD+N vs Output Power V = 12V 4Ω, SE operation both channels driven and loaded (average shown 1kHz IN THD+N vs Output Power V = 12V 16Ω, SE operation, ...
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Typical Performance Characteristics Output Power vs Power Supply Voltage R = 4Ω, SE operation, L both channels driven and loaded (average shown), at (from top to bottom at 12V): THD+N = 10%, THD Power Supply Rejection vs Frequency ...
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Typical Performance Characteristics Total Power Dissipation vs Load Dissipation V = 12V, BTL operation (from top to bottom at 3W 8Ω 16Ω Output Power vs Load Resistance V = 12V, BTL ...
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Typical Performance Characteristics THD+N vs Output Power V = 9.6V BTL operation THD+N vs Output Power V = 9.6V 8Ω, BTL operation BTLA = 20 1kHz V IN Total ...
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Typical Performance Characteristics Output Power vs Load Resistance V = 9.6V, BTL operation (from top to bottom at 15Ω): THD+N = 10%, THD Channel-to Channel Crosstalk vs Frequency V = 9.6V 4Ω, P ...
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Typical Performance Characteristics THD+N vs Output Power V = 15V operation both channels driven and loaded (average shown) Total Power Dissipation vs Load Dissipation per Channel V = 15V, SE operation ...
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Typical Performance Characteristics THD+N vs Output Power V = 16V 8Ω BTL operation 1kHz, BTLA IN Channel-to-Channel Crosstalk vs Frequency V = 16V 4Ω 1W, SE operation DD L OUT ...
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Typical Performance Characteristics Clipping Voltage vs Power Supply Voltage R = 8Ω, BTL operation (from top to bottom at 12V): positive signal swing, negative signal swing Clipping Voltage vs Power Supply Voltage R = 4Ω, SE operation, ...
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Application Information HIGH VOLTAGE BOOMER WITH INCREASED OUTPUT POWER Unlike previous 5V Boomer ® amplifiers, the LM4950 is de- signed to operate over a power supply voltages range of 9.6V to 16V. Operating on a 12V power supply, the LM4950 ...
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Application Information (2π Single Ended DMAX- The LM4950’s dissipation is twice the value given by Equa- tion (2) when driving two SE loads. For a 12V supply and two ...
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Application Information SELECTING EXTERNAL COMPONENTS Input Capacitor Value Selection Two quantities determine the value of the input coupling capacitor: the lowest audio frequency that requires amplifi- cation and desired output transient suppression. As shown in Figure 3, the input resistor ...
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Application Information FIGURE 4. Piezo-electric Transducer Capacitance ≤ 200nF AUDIO POWER AMPLIFIER DESIGN Audio Amplifier Design: Driving 4W into an 8Ω BTL The following are the desired operational parameters: Power Output Load Impedance Input Level Input Impedance Bandwidth 50Hz–20kHz The ...
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Application Information and 20kHz 100kHz L As mentioned in the SELECTING EXTERNAL COMPO- NENTS section, R and C create a highpass filter that INA INA sets the amplifier’s lower bandpass frequency limit. Find the ...
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Demonstration Board Layout www.national.com (Continued) FIGURE 6. Recommended TS SE PCB Layout: Top Layer FIGURE 7. Recommended TS SE PCB Layout: Bottom Layer 20 20047064 20047065 ...
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Demonstration Board Layout FIGURE 8. Recommended TS BTL PCB Layout: FIGURE 9. Recommended TS BTL PCB Layout: (Continued) 20047066 Top Silkscreen 20047067 Top Layer 21 www.national.com ...
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Demonstration Board Layout www.national.com (Continued) FIGURE 10. Recommended TS BTL PCB Layout: Bottom Layer 22 20047068 ...
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... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LM4950TS NS Package Number TS9A 23 www.national.com ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted (Continued) For Staggered Lead Non-Isolated Package Order Number LM4950TA NS Package Number TA09A 24 ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...