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SM6801A データシート(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM6801A データシート(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 16 page SM6801A SEIKO NPC CORPORATION —1 Class-D Mono Amplifier for Portable Device OVERVIEW The SM6801A is an analog-input, class-D mono amplifier. Class-D operation provides high efficiency and low power consumption. The device also incorporates an original real-time operation dynamic range compression function that effectively suppresses the distortion in the saturation level region output by soft-clipping, boost- ing the average sound pressure from the speaker during playback. It also incorporates an input equalizer pin for output speaker frequency characteristics adjustment. These features make the device ideal for use in mobile telephones and speaker applications requiring miniaturization and high-efficiency. The output stage has a BTL output configuration where the output waveform inverts only the modulation components, enabling direct drive connection, without using an LC filter, to a dynamic speaker. The device is available in miniature 16-pin QFN packages, and requires only a peripheral chip capacitor to form a miniature amplifier circuit. FEATURES I Operating supply voltage •VDDS = 2.0 to 3.6V (input, logic) •VDDP = 2.0 to 5.5V (output) I Low current consumption: 4.2mA (VDD = 3.6V) 1.6mA (VDD = 2.4V) I Output power: 0.7W (VDD = 3.6V, 8Ω load) 0.28W (VDD = 2.4V, 8Ω load) I Output fundamental frequency: 125kHz I Gain • 6dB (Normal) • 15dB to 6dB automatic adjustment in response to the input level (Dynamic range compression mode) I Silicon-gate CMOS process I Package: 16-pin QFN APPLICATIONS I Cellular phone I PDA I Digital still camera ORDERING INFORMATION PINOUT (Top view) PACKAGE DIMENSIONS (Unit: mm) Device Package SM6801AB 16-pin QFN TESTN VSS1 EQN EQP VDD4 PDWN VDD2 MUTEN TOP VIEW BOTTOM VIEW 3.0 ± 0.08 0.22 ± 0.05 C 0.3 1.8 φ 0.05 M S 0.02 S AB 0.5 B SA 0.2 S S 0.05 A B |
同様の部品番号 - SM6801A |
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同様の説明 - SM6801A |
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