LM4873LQX National Semiconductor, LM4873LQX Datasheet
LM4873LQX
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LM4873LQX Summary of contents
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... Connection Diagrams Top View Order Number LM4873MTE-1 See NS Package Number MXA28A for Exposed-DAP TSSOP Boomer ® registered trademark of National Semiconductor Corporation. © 2002 National Semiconductor Corporation Key Specifications THD+N O LM4873LQ, 3Ω, 4Ω loads LM4873MTE-1, 3Ω ...
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Connection Diagrams Top View Order Number LM4873LQ See NS Package Number LQA24A for Exposed-DAP LLP micro SMD Marking Top View XY - Date Code TT - Die Traceability G - Boomer Family I - LM4873IBL Pin (Bump) Number Pin (Bump) ...
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Typical Application Note: Pin out shown for the 28-pin Exposed-DAP TSSOP package. Refer to the Connection Diagrams for the pin out of the 20-pin Exposed-DAP TSSOP, Exposed-DAP LLP, and micro SMD packages. 3 10099331 www.national.com ...
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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 4) ESD Susceptibility (Note 5) ESD Susceptibility (Note 6) Junction Temperature Solder Information Small Outline Package Vapor Phase (60 sec ...
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Electrical Characteristics for Bridged-Mode Operation The following specifications apply for V Symbol Parameter THD+N Total Harmonic Distortion+Noise PSRR Power Supply Rejection Ratio X Channel Separation TALK SNR Signal To Noise Ratio Electrical Characteristics for Single-Ended Operation The following specifications apply ...
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Electrical Characteristics for Single-Ended Operation Note 18: The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier. Note 19: Output power is measured at the device terminals. Note 20: When driving ...
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Typical Performance Characteristics MTE (20-pin) and LQ (24-pin) Specific Characteristics 2 500LFPM + 2.5in : The part is soldered to a 2.5in 2 2 2.5in : The part is soldered to a 2.5in , 1oz. copper plane. Not Attached: The ...
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Typical Performance Characteristics MTE-1 (28 pin) Specific Characteristics 2 2 2in on bottom: The part is soldered to a 2in 2 2 2in : The part is soldered to a 2in , 1oz. copper plane 1in : The ...
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Typical Performance Characteristics THD+N vs Output Power THD+N vs Output Power Output Power vs Load Resistance (Continued) 10099387 10099386 10099384 9 THD+N vs Frequency 10099389 THD+N vs Frequency 10099388 Power Dissipation vs Supply Voltage 10099385 www.national.com ...
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Typical Performance Characteristics Output Power vs Supply Voltage Output Power vs Supply Voltage Output Power vs Load Resistance www.national.com (Continued) 10099309 10099311 LM4873IBL Stereo Output Power 10099313 10 Output Power vs Supply Voltage 10099310 Output Power vs Load Resistance 10099312 ...
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Typical Performance Characteristics Power Dissipation vs Output Power Power Derating Curve Noise Floor (Continued) 10099314 10099316 10099318 11 Dropout Voltage vs Supply Voltage 10099315 Power Dissipation vs Output Power 10099317 Channel Separation 10099319 www.national.com ...
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Typical Performance Characteristics Channel Separation Open Loop Frequency Response External Components Description (Refer to Figure 1.) Components 1. R The inverting input resistance, along with R i filter with f = 1/(2π The input coupling capacitor blocks ...
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... DD FIGURE 1. Input MUX Example micro SMD PACKAGE PCB MOUNTING CONSIDERATIONS PCB layout specifications unique to the LM4873’s micro SMD package are found in National Semiconductor’s AN1112. EXPOSED-DAP PACKAGE PCB MOUNTING CONSIDERATIONS The LM4873’s exposed-DAP (die attach paddle) packages (MTE, MTE-1, LQ) provide a low thermal resistance between the die and the PCB to which the part is mounted and soldered ...
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Application Information power. The LM4873LQ achieves the same output power level without forced air cooling. In all circumstances and conditions, the junction temperature must be held below 150˚C to prevent activating the LM4873’s thermal shutdown protection. The LM4873’s power de-rating ...
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Application Information mode has a distinct advantage over the single-ended con- figuration: its differential output doubles the voltage swing across the load. This produces four times the output power when compared to a single-ended amplifier under the same conditions. This ...
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Application Information microprocessor microcontroller. When using a switch, connect an external 10kΩ pull-up resistor between the SHUTDOWN pin and V . Connect the switch between the DD SHUTDOWN pin and ground. Select normal amplifier opera- tion by closing ...
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Application Information Input Capacitor Value Selection Amplifying the lowest audio frequencies requires high value input coupling capacitor (C in Figure 2). A high value capaci- i tor can be expensive and may compromise space efficiency in portable designs. In many ...
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Application Information without clipping or other audible distortion. The choice of supply voltage must also not create a situation that violates maximum power dissipation as explained above in the Power Dissipation section. After satisfying the LM4873’s power dissipation require- ments, ...
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Application Information Figure 7. Recommended LQ PC Board Layout: Component-Side Silkscreen Figure 9. Recommended LQ PC Board Layout: Upper Inner-Layer Layout Figure 11. Recommended LQ PC Board Layout: Bottom-Side Layout (Continued) 10099339 Figure 8. Recommended LQ PC Board Layout: 10099341 ...
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Application Information Figure 13. Recommended 20-pin micro SMD PC Board Layout: Component-Side Layout Figure 15. Recommended 20-pin micro SMD PC Board Layout: Lower Inner-Layer Layout www.national.com (Continued) Figure 14. Recommended 20-pin micro SMD PC Board 10099345 10099347 Figure 16. Recommended ...
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Physical Dimensions inches (millimeters) unless otherwise noted X1 = 1.996 X1 = 1.996 20-Bump micro SMD Order Number LM4873IBL NS Package Number BLA20AAB ± ± 0. 2.492 0. 0.945 20-Bump micro SMD Order Number LM4873ITL NS ...
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Physical Dimensions 20-Lead MOLDED PKG, TSSOP, JEDEC, 4.4mm BODY WIDTH www.national.com inches (millimeters) unless otherwise noted (Continued) Order Number LM4873MT NS Package Number MTC20 22 ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 24-Lead MOLDED PKG, Leadless Leadframe Package LLP Order Number LM4873LQ NS Package Number LQA24A 23 www.national.com ...
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Physical Dimensions 20-Lead MOLDED TSSOP, EXPOSED PAD, 6.5x4.4x0.9mm www.national.com inches (millimeters) unless otherwise noted (Continued) Order Number LM4873MTE NS Package Number MXA20A 24 ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...