LM4952TSBD National Semiconductor, LM4952TSBD Datasheet
LM4952TSBD
Specifications of LM4952TSBD
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LM4952TSBD Summary of contents
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... The LM4952 contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions. Connection Diagram Boomer ® registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation Key Specifications j Quiscent Power Supply Current j P ...
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Typical Application FIGURE 1. Typical LM4952 SE Audio Amplifier Application Circuit www.national.com 2 200809E8 ...
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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 4, 6, and 7 pins and 9 Power Dissipation (Note 3) ESD Susceptibility (Note 4) ...
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Electrical Characteristics for Volume Control The following specifications apply for V Symbol Parameter VOL Gain max VOL Gain min A Mute Attenuation M Note 1: All voltages are measured with respect to the GND pin, unless otherwise specified. Note 2: ...
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Typical Performance Characteristics THD+N vs Frequency V = 12V 4Ω 2W 1.0µF OUT IN THD+N vs Output Power V = 12V 4Ω 1kHz ...
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Typical Performance Characteristics (Continued) Output Power vs Power Supply Voltage R = 4Ω 1kHz L IN both channels driven and loaded (average shown), at (from top to bottom at 12V): THD+N = 10%, THD Power Supply ...
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Typical Performance Characteristics (Continued) Channel-to-Channel Crosstalk vs Frequency V = 12V 8Ω 1W, Input Referred DD L OUT at (from top to bottom at 1kHz measured, V driven, V OUTA INA Amplifier Gain vs ...
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Typical Performance Characteristics (Continued) THD+N vs Output Power V = 9.6V 1kHz IN Output Power vs Load Resistance V = 9.6V 1kHz (from top to bottom at 15Ω): THD+N = ...
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Typical Performance Characteristics (Continued) THD+N vs Frequency V = 14V 4Ω 2W 1.0µF OUT IN THD+N vs Output Power V = 14V 4Ω 1kHz IN Power ...
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Typical Performance Characteristics (Continued) THD+N vs Output Power V = 15V, at (from top to bottom at 15Ω): DD THD+N = 10%, THD+N = 1%, f Channel-to-Channel Crosstalk vs Frequency V = 16V 4Ω 1W, Input ...
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Typical Performance Characteristics (Continued) Clipping Voltage vs Power Supply Voltage R = 8Ω 1kHz (from to bottom at 12.5V): positive signal swing, negative signal swing Power Dissipation vs Ambient Temperature V = 12V ...
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Application Information HIGH VOLTAGE BOOMER WITH INCREASED OUTPUT POWER Unlike previous 5V Boomer ® amplifiers, the LM4952 is de- signed to operate over a power supply voltages range of 9.6V to 16V. Operating on a 12V power supply, the LM4952 ...
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Application Information power dissipation is a function of output power, higher am- bient temperatures are allowed as output power or duty cycle decreases. If the result of Equation (1) is greater than that of Equation (2), then decrease the supply ...
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Application Information soft. Since the gain is not critical, there may be a volume variation from part-to-part even with the same applied DC volume control voltage. The gain of a given LM4952 can be set with fixed external voltage, but ...
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Application Information seen by the DC Vol input. Though attenuated by the voltage divider action of the potentiometer and the series resistor, these fluctuations may cause perturbations in the perceived volume. An easy and simple solution that suppresses these perturbations ...
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Application Information manner, the ground lead of the capacitor connected between the BYPASS pin and GND should also be connected to the package’s grounded tab. OPTIMIZING CLICK AND POP REDUCTION PERFORMANCE The LM4952 contains circuitry that eliminates turn-on and shutdown ...
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Demonstration Board Layout FIGURE 11. Recommended TS SE PCB Layout: FIGURE 12. Recommended TS SE PCB Layout: 200809F2 Top Silkscreen 200809F4 Top Layer 17 www.national.com ...
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Demonstration Board Layout www.national.com (Continued) FIGURE 13. Recommended TS SE PCB Layout: Bottom Layer 18 200809F3 ...
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Physical Dimensions inches (millimeters) unless otherwise noted Order Number LM4952TS NS Package Number TS9A 19 www.national.com ...
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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. ...