LM4733TABD National Semiconductor, LM4733TABD Datasheet
LM4733TABD
Specifications of LM4733TABD
Related parts for LM4733TABD
LM4733TABD Summary of contents
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... The LM4733 amplifiers can easily be configured for bridge or parallel operation for higher power and bi-amp solutions Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit © 2003 National Semiconductor Corporation Key Specifications j Output Power/Channel at 10% THD+N, 1kHz into 4Ω or 8Ω ...
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Connection Diagrams www.national.com Plastic Package (Note 13) 20079401 Top View Order Number LM4733TA See NS Package Number TA27A TO-220 Top Marking 20079402 Top View U - Wafer Fab Code Z - Assembly Plant Code XY - Date Code TT - ...
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... Absolute Maximum Ratings 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications Supply Voltage | Common Mode Input Voltage Differential Input Voltage (Note 12) Output Current Power Dissipation (Note 3) ESD Susceptability (Note 4) ESD Susceptability (Note 5) ...
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Electrical Characteristics Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC ...
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Bridged Amplifier Application Circuit FIGURE 2. Bridged Amplifier Application Circuit 5 200794B4 www.national.com ...
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Parallel Amplifier Application Circuit www.national.com FIGURE 3. Parallel Amplifier Application Circuit 6 200794B3 ...
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Single Supply Application Circuit FIGURE 4. Single Supply Amplifier Application Circuit Note: *Optional components dependent upon specific design requirements. Auxiliary Amplifier Application Circuit FIGURE 5. Special Audio Amplifier Application Circuit 20079406 200794B6 7 www.national.com ...
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External Components Description (Figures 1-5) Components 1 R Prevents current from entering the amplifier’s non-inverting input. This current may pass through to the load B during system power down, because of the amplifier’s low input impedance when the undervoltage circuitry ...
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Optional External Component Interaction Although the optional external components have specific desired functions that are designed to reduce the bandwidth and eliminate unwanted high frequency oscillations they may cause certain undesirable effects when they interact. Inter- action may occur for ...
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Typical Performance Characteristics THD+N vs Output Power/Channel ± 19V 4Ω, 80kHz BW L Output Power/Channel vs Supply Voltage f = 1kHz 4Ω, 80kHz BW L Total Power Dissipation vs Output Power/Channel 1% THD (max ...
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Typical Performance Characteristics Crosstalk vs Frequency ± 19V 10W, OUT R = 4Ω, 80kHz BW L Two Channels On Crosstalk vs Frequency ± 19V 10W, OUT R = 4Ω, 80kHz BW L Mute Attenuation vs Mute ...
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Typical Performance Characteristics THD+N vs Frequency ± 19V & 20W, OUT Chs 1&3 in Bridge Mode (Note15 8Ω, 80kHz BW L THD+N vs Frequency ± 21V & 20W, OUT All Chs in ...
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Typical Performance Characteristics Output Power vs Supply Voltage Chs 1&3 in Bridge Mode (Note15 1kHz 8Ω, 80kHz BW L Note 15: Bridge mode graphs were taken using the demo board and inverting the signal to the ...
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Application Information voltage. Until the voltage at point A is low enough to have 0.5mA of current per MUTE pin flow through mute mode. The series combination of R needs to satisfy the mute equation above for ...
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Application Information SUPPLY BYPASSING The LM4733 has excellent power supply rejection and does not require a regulated supply. However, to improve system performance as well as eliminate possible oscillations, the LM4733 should have its supply leads bypassed with low- inductance ...
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Application Information correct frequencies for the driver. Tri-Amping is using three different amplifier stages in the same way bi-amping is done. Bi-amping can also be done on a three-way speaker design by using one amplifier for the subwoofer and another ...
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Application Information ments. This is often the case when comparing integrated circuit designs to discrete amplifier designs. Discrete transis- tor amps often “run out of gain” at high frequencies and therefore have small bandwidths to noise as indicated below. Integrated ...
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Application Information LAYOUT, GROUND LOOPS AND STABILITY The LM4733 is designed to be stable when operated at a closed-loop gain greater, but as with any other high-current amplifier, the LM4733 can be made to oscillate under certain ...
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Application Information If the DC blocking input capacitor ( used as shown, the IN lower -3dB point is found using Equation (8) as discussed in the Proper Selection of External Components section. FIGURE 6. Inverting Amplifier Application Circuit ...
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Application Information www.national.com (Continued) FIGURE 7. Reference PCB Schematic 20 200794C9 ...
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Application Information LM4733 REFERENCE BOARD ARTWORK Composite Layer Top Layer (Continued) 20079405 20079407 21 20079404 Silk Layer 20079408 Bottom Layer www.national.com ...
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Application Information Bill Of Materials for Reference PCB Symbol Value 33kΩ IN1 IN2 IN3 1kΩ 20kΩ ...
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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 ...