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CS4412 Folha de dados(PDF) 1 Page - Cirrus Logic |
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CS4412 Folha de dados(HTML) 1 Page - Cirrus Logic |
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1 / 22 page  Copyright © Cirrus Logic, Inc. 2006 (All Rights Reserved) http://www.cirrus.com Advance Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. 30 W Quad Half-Bridge Digital Amplifier Power Stage Features Configurable Outputs (10% THD+N) – 2 x 15 W into 8 Ω, Full-Bridge – 1 x 30 W into 4 Ω, Parallel Full-Bridge – 4 x 7 W into 4 Ω, Half-Bridge – 2 x 7 W into 4 Ω, Half-Bridge + 1 x 15 W into 8 Ω, Full-Bridge Space-Efficient Thermally-Enhanced QFN – No External Heat Sink Required > 100 dB Dynamic Range - System Level 0.1% THD+N @ 1 W - System Level Built-In Protection with Error Reporting – Over-current – Thermal Warning and Overload – Under-voltage +9 V to +18 V High Voltage Supply PWM Popguard® for Quiet Startup High Efficiency (85%) Low RDS(ON) Low Quiescent Current Low Power Standby Mode Common Applications Integrated Digital Televisions Portable Docking Stations Mini/Micro Shelf Systems Powered Desktop Speakers General Description The CS4412 is a high-efficiency power stage for digital Class-D amplifiers designed to input PWM signals from a modulator such as the CS4525. The power stage out- puts can be configured as four half-bridge channels, two half-bridge channels and one full-bridge channel, two full-bridge channels, or one parallel full-bridge channel. The CS4412 integrates on-chip over-current, under- voltage, over-temperature protection and error report- ing as well as a thermal warning indicator. The low RDS(ON) outputs can source up to 2.4 A peak current, delivering 85% efficiency. This efficiency provides for a small device package and lower power supplies. The CS4412 is available in a 48-pin QFN package in Commercial grade (-40 to +70° C). The CRD4412 cus- tomer reference design is also available. Please refer to “Ordering Information” on page 22 for complete order- ing information. VP Amplifier Out 1 Amplifier Out 2 PGND Amplifier Out 3 Amplifier Out 4 Gate Drive Gate Drive Gate Drive Gate Drive 2.5 V to 5 V 9 V to 18 V In 1 Non-Overlap Time Insertion Non-Overlap Time Insertion Non-Overlap Time Insertion Non-Overlap Time Insertion Protection & Error Reporting In 2 In 3 In 4 Current & Thermal Data Control Logic Hardware Configuration Reset Mode Configuration SEPTEMBER '06 DS749A1 CS4412 |
Nº de peça semelhante - CS4412 |
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Descrição semelhante - CS4412 |
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