LM4873MTE National Semiconductor, LM4873MTE Datasheet
LM4873MTE
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LM4873MTE Summary of contents
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... LM4873MTE-1, LM4873MTE, and the LM4873LQ. Note 2: An LM4873MTE-1, LM4873MTE, or LM4873LQ that has been prop- erly mounted to a circuit board and forced-air cooled will deliver 2.4W into 3Ω. Connection Diagrams Top View Order Number LM4873MTE-1 See NS Package Number MXA28A for Exposed-DAP ...
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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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... Limits apply for T DD Conditions THD 1kHz (Note 20) LM4873MTE- 3Ω L LM4873MTE 3Ω L LM4873LQ 3Ω L LM4873MTE- 4Ω L LM4873MTE 4Ω L LM4873LQ 4Ω L LM4873MT 4Ω L LM4873 8Ω 20˚C/W 80˚C/W 41˚C/W (Note 7) 51˚C/W (Note 8) 90˚C/W (Note 9) 41˚C/W (Note 10) 51˚ ...
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... Limits apply for T DD Conditions THD 1kHz (Note 20) LM4873MTE- 3Ω L LM4873LQ 3Ω L LM4873MTE- 4Ω L LM4873LQ 4Ω L LM4873 8Ω L THD 1kHz 32Ω L 20Hz ≤ f ≤ 20kHz LM4873MTE- 4Ω LM4873LQ 4Ω LM4873 8Ω 5V 200mV , R DD RIPPLE RMS C = 1.0µ 1kHz 1.0µ ...
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... Power Derating Curve Note 21: This curve shows the LM4873MTE’s and the LM4873LQ’s thermal dissipation ability at different ambient temperatures given these conditions: 500LFPM + JEDEC board: The part is soldered to a 1S2P 20-lead exposed-DAP TSSOP test board with 500 linear feet per minute of forced-air flow across it. ...
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... LM4873MTE-1 THD+N vs Frequency 10099399 LM4873MTE-1 THD+N vs Frequency 10099398 LM4873MTE-1 (Note 22) Power Derating Curve 100993A0 www.national.com ...
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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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... Increase the area to compensate for ambient temperatures above 25˚C. In systems using cooling fans, the LM4873MTE can take advantage of forced air cooling. With an air flow rate of 450 linear-feet per minute and a 2.5in exposed copper or 5.0in the LM4873MTE can continuously drive a 3Ω load to full 13 10099370 2 (min) area is ...
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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 does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. inches (millimeters) unless otherwise noted (Continued) Order Number LM4873MTE-1 NS Package Number MXA28A 2 ...