lm4924sdx National Semiconductor Corporation, lm4924sdx Datasheet
lm4924sdx
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lm4924sdx Summary of contents
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... LM4924. Boomer audio power amplifiers are designed spe- cifically to use few external components and provide high quality output power in a surface mount packages. Typical Application Boomer ® registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Key Specifications n OCL output power (R = 16Ω, V ...
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Connection Diagrams MSOP Package Top View Order Number LM4924MM See NS Package Number MUB10A for MSOP SD Package Top View Order Number LM4924SD See NS Package Number SDA10A www.national.com 20121058 Bottom Line - Part Number 20121052 2 MSOP Marking 20121006 ...
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Typical Connections FIGURE 2. Typical OCL Output Configuration Circuit 20121059 3 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 2) ESD Susceptibility(Note 3) ESD Susceptibility on pin 7, 8, ...
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Electrical Characteristics V The following specifications apply for the circuit shown in Figure 2, unless otherwise specified. A Limits apply for T = 25˚C. A Symbol Parameter THD Crosstalk PSRR Power Supply Rejection Ratio Note 1: Absolute Maximum Ratings indicate ...
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Typical Performance Characteristics THD+N vs Frequency V = 1.8V 5mW THD+N vs Frequency V = 3.0V 10mW THD+N vs Output Power V = 1.8V 16Ω 1kHz ...
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Typical Performance Characteristics THD+N vs Output Power V = 3.0V 16Ω 1kHz DD L Power Supply Rejection Ratio V = 1.8V 16Ω Vripple = 200mVp-p, Input Terminated into 10Ω load Noise Floor ...
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Typical Performance Characteristics Channel Sepration R = 16Ω L Output Power vs Supply Voltage R = 16Ω, from top to bottom: L THD+N = 10%; THD Power Dissipation vs Output Power V = 1.8V 1kHz, from ...
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Typical Performance Characteristics Supply Current vs Supply Voltage (Continued) 20121026 9 www.national.com ...
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Application Information ELIMINATING OUTPUT COUPLING CAPACITORS Typical single-supply audio amplifiers that drive single- ended (SE) headphones use a coupling capacitor on each SE output. This output coupling capacitor blocks the half- supply voltage to which the output amplifiers are typically ...
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Application Information pin. When active, the LM4924’s micro-power shutdown fea- ture turns off the amplifier’s bias circuitry, reducing the sup- ply current. The trigger point is 0.4V (max) for a logic-low level, and 1.5V (min) for a logic-high level. The ...
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Application Information As mentioned in the Selecting Proper External Compo- nents section, R and C create a highpass filter that sets the i i amplifier’s lower bandpass frequency limit. Find the coupling capacitor’s value using Equation (3). ≥ 1/(2πR C ...
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Application Information The LM4924 is unity-gain stable and requires no external components besides gain-setting resistors, input coupling capacitors, and proper supply bypassing in the typical appli- cation. However very large closed-loop differential gain is required, a feedback capacitor ...
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Application Information PCB LAYOUT GUIDELINES This section provides practical guidelines for mixed signal PCB layout that involves various digital/analog power and ground traces. Designers should note that these are only "rule-of-thumb" recommendations and the actual results will depend heavily on ...
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Physical Dimensions inches (millimeters) unless otherwise noted MSOP Package Order Number LM4924MM NS Package Number MUB10A SD Package Order Number LM4924SD NS Package Number SDA10A 15 www.national.com ...
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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. For the most current product information ...