lm4861-mda National Semiconductor Corporation, lm4861-mda Datasheet
lm4861-mda
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lm4861-mda Summary of contents
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... The LM4861 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. The unity-gain stable LM4861 can be configured by external gain-setting resistors for differential gains without the use of external compensation components. Higher gains may be achieved with suitable compensation. ...
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Typical Application FIGURE 1. Typical Audio Amplifier Application Circuit www.national.com 2 01198601 ...
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... THD = 1% (max kHz = 1Wrms ≤ f ≤ 20 kHz 4.9V to 5.1V DD )/θ or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4861 ≤ T −40˚C ≤ MAX 2.0V ≤ 140˚C/W 107˚C/W = 25˚C. ...
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High Gain Application Circuit Single Ended Application Circuit *C and C size depend on specific application requirements and constraints. Typical vaiues **Pin 1 should be connected disable the amplifier or to GND to ...
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External Components Description (Figures 1, 2) Components 1. R Inverting input resistance which sets the closed-loop gain in conjunction with high pass filter with Input coupling capacitor which blocks DC voltage at the amplifier’s ...
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Typical Performance Characteristics THD+N vs Output Power Output Power vs Supply Voltage Noise Floor vs Frequency www.national.com (Continued) 01198610 Power Dissipation vs 01198618 Supply Current Distribution 01198614 6 Output Power vs Load Resistance 01198617 Output Power 01198616 vs Temperature 01198615 ...
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Typical Performance Characteristics Supply Current vs Supply Voltage Power Supply Rejection Ratio (Continued) Power Derating Curve 01198612 Frequency Response 01198620 7 01198613 Open Loop 01198619 www.national.com ...
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... Application Information BRIDGE CONFIGURATION EXPLANATION As shown in Figure 1 , the LM4861 has two operational amplifiers internally, allowing for a few different amplifier configurations. The first amplifier’s gain is externally config- urable, while the second amplifier is internally fixed in a unity-gain, inverting configuration. The closed-loop gain of the first amplifier is set by selecting the ratio of R the second amplifier’ ...
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... The high frequency pole is determined by the product of the desired high frequency pole, f With 100kHz which is much smaller than the LM4861 GBWP of 4MHz. This figure displays that if a designer has a need to design an amplifier with a higher differential gain, the LM4861 can still be used without running into bandwidth problems ...
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... LM4861 MDA MWA 1.1W Audio Power Amplifier with Shutdown Mode DIE/WAFER CHARACTERISTICS Fabrication Attributes Physical Die Identification Die Step Physical Attributes Wafer Diameter Dise Size (Drawn) Thickness Min Pitch Special Assembly Requirements: Note: Actual die size is rounded to the nearest micron. (Referenced to die center, coordinates in µ Connection, N.U. = Not Used ...
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... LM4861 MDA MWA 1.1W Audio Power Amplifier with Shutdown Mode IN U.S.A Tel #: Fax: IN EUROPE Tel: Fax: IN ASIA PACIFIC Tel: IN JAPAN Tel: (Continued) 1 877 Dial Die 1 877 342 5343 1 207 541 6140 49 (0) 8141 351492 / 1495 49 (0) 8141 351470 (852) 27371701 81 043 299 2308 11 www ...
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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) Order Number LM4861 NS Package Number M08A 2. A critical component is any component of a life ...