LM4840LQ/NOPB National Semiconductor, LM4840LQ/NOPB Datasheet
LM4840LQ/NOPB
Specifications of LM4840LQ/NOPB
LM4840LQ
LM4840LQNOPB
LM4840LQNOPBTR
LM4840LQNOPBTR
LM4840LQTR
Related parts for LM4840LQ/NOPB
LM4840LQ/NOPB Summary of contents
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... Note 2: An LM4840LQ and LM4840MH that have been properly mounted to the circuit board and forced-air cooled will deliver 2.2W into 3 . Connection Diagram See NS Package Number LQA028A for Exposed-DAP LLP Boomer ® registered trademark of NationalSemiconductor Corporation. © 2001 National Semiconductor Corporation Key Specifications THD+N O into 3 (LM4840LQ, LM4840MH) ...
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Connection Diagram See NS Package Number MXA28A for Exposed-DAP TSSOP Block Diagram www.national.com (Continued) TSSOP Package DS200104-2 Top View Order Number LM4840MT See NS Package Number MTC28 for TSSOP Order Number LM4840MH FIGURE 1. LM4840 Block Diagram 2 DS200104-1 ...
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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 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 Single-Ended Mode Operation (Notes 7, 10) The following specifications apply for V Symbol Parameter THD+N Total Harmonic Distortion+Noise PSRR Power Supply Rejection Ratio SNR Signal to Noise Ratio X Channel Separation talk Electrical Characteristics for Bridged Mode ...
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MH and LQ Specific Characteristics LM4840MH, LM4840LQ THD+N vs Output Power DS200104-70 LM4840MH, LM4840LQ THD+N vs Frequency DS200104-73 Note 17: These curves show the thermal dissipation ability of the LM4840MH at different ambient temperatures given these conditions: 2 500LFPM + ...
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Typical Performance Characteristics THD+N vs Frequency DS200104-15 THD+N vs Frequency DS200104-18 THD+N vs Frequency DS200104-21 www.national.com (Continued) THD+N vs Frequency DS200104-16 THD+N vs Frequency DS200104-19 THD+N vs Frequency DS200104-22 6 THD+N vs Frequency DS200104-17 THD+N vs Frequency DS200104-20 THD+N vs ...
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Typical Performance Characteristics THD+N vs Output Power DS200104-25 THD+N vs Output Power DS200104-28 THD+N vs Output Power DS200104-31 (Continued) THD+N vs Output Power DS200104-26 THD+N vs Output Power DS200104-29 THD+N vs Output Power DS200104-32 7 THD+N vs Output Power DS200104-27 ...
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Typical Performance Characteristics THD+N vs Output Power DS200104-34 Output Power vs Load Resistance DS200104-7 Output Power vs Load Resistance DS200104-8 www.national.com (Continued) Output Power vs Load Resistance DS200104-62 Power Supply Rejection Ratio DS200104-38 Noise Floor DS200104-41 8 Output Power vs ...
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Typical Performance Characteristics Power Dissipation vs Output Power DS200104-51 Crosstalk DS200104-49 Output Power vs Supply Voltage DS200104-56 (Continued) Power Dissipation vs Output Power DS200104-52 Crosstalk DS200104-50 9 Power Derating Curve DS200104-63 Output Power vs Supply voltage DS200104-54 www.national.com ...
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Application Information DIGITAL VOLUME CONTROL The LM4840 features a digital volume control which consists of the CLOCK, UP, and DOWN pins. An external clock may be fed to the CLOCK pin, or, by connecting a capacitor from the CLOCK pin ...
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Application Information level without forced air cooling. In all circumstances and conditions, the junction temperature must be held below 150˚C to prevent activating the LM4840’s thermal shutdown protection. The LM4840’s power derating curve in the Typi- cal Performance Characteristics shows ...
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Application Information severe attenuation. In many cases the speakers used in portable systems, whether internal or external, have little ability to reproduce signals below 100 Hz–150 Hz. In this case, usinga large input or output capacitor may not in- crease ...
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Application Information case when a BTL is connected to the amplifier, the compara- tor forces the LM4840 to maintain bridged−amplifier opera- tion. When the HP−Sense pin is externally floated, such as when headphones are connected to the jack shown in ...
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Application Information Table 1: Logic Level Truth Table SD BEEP MUTE DETECT SENSE *Next four conditions, beep is detected; beep signal added to audio signal and bypasses volume ...
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Application Information Table 2: LM4840 Volume Control Steps Volume Step (Continued) BTL (dB) 1 6.00 2 5.00 3 4.00 4 3.00 5 2.00 6 1.00 7 0.00 8 -2.00 9 -4.00 10 -6.00 11 -8.00 12 -10.00 13 -12.00 14 ...
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Physical Dimensions NS Package Number LQA028A for Exposed-DAP LLP www.national.com inches (millimeters) unless otherwise noted LLP Package Order Number LM4840LQ 16 ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) TSSOP Package Order Number LM4840MT NS Package Number MTC28 for TSSOP 17 www.national.com ...
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Physical Dimensions NS Package Number MXA28A for Exposed-DAP TSSOP www.national.com inches (millimeters) unless otherwise noted (Continued) Exposed-DAP TSSOP Package Order Number LM4840MH 18 ...
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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 ...