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CS35L00 Datasheet(PDF) 1 Page - Cirrus Logic |
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CS35L00 Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 34 page  Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) http://www.cirrus.com Preliminary Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. Gate Drivers Class-H Controller Advanced ΔΣ Modulator Gate Drivers Internal Oscillator Gain Gain Audio In + Audio In - Shutdown Speaker Out + Speaker Out - GND VBATT 2.5V - 5V LDO Filter Short Circuit/Thermal Protection MODE Low Drop-Out Voltage Regulator Gain Select 2.8 W Mono Class-D Audio Amplifier with Low Idle Current CS35L00 Features Hybrid Class-D Architecture – <1 mA Quiescent Current – 1 x 2.8 W into 4 Ω (10% THD+N) – 1 x 2.3 W into 4 Ω (1% THD+N) – 1 x 1.7 W into 8 Ω (10% THD+N) – 1 x 1.4 W into 8 Ω (1% THD+N) Advanced ΔΣ Closed-loop Modulation – 98 dB Signal-to-Noise Ratio (A-Weighted) – 0.02% THD+N @ 1 W (SD & HD Mode) Integrated Protection and Automatic Recovery for Output Short-circuit and Thermal Overload Thermally Enhanced 10-pin DFN Package with Pin-selectable Gain of +6 dB or +12 dB Pop and Click Suppression Common Applications Laptops Netbooks Portable Navigation Devices Active Speakers Portable Gaming General Description The CS35L00 is a 2.8 W high efficiency Hybrid Class-D audio amplifier with low idle current consumption and a selectable gain. The CS35L00 features an advanced closed-loop archi- tecture to provide 0.02% THD+N at 1 W and -88 dB PSRR at 217 Hz. A flexible Hybrid Class-D output stage offers four modes of operation: Standard Class-D (SD) mode of- fers full audio bandwidth and high audio performance; Hybrid Class-D (HD) mode offers a substantial reduc- tion in idle power consumption with an integrated Class- H controller; Reduced Frequency Class-D (FSD) mode reduces the output switching frequency, producing low- er electromagnetic interference (EMI); and Reduced Frequency Hybrid Class-D (FHD) mode produces both the lower idle power consumption of HD mode and the reduced EMI benefits of FSD mode. Requiring minimal external components and PCB space, the CS35L00 is available in a 3.0 mm x 3.0 mm, 10-pin DFN package in Commercial grade (-10°C to +70°C). Please see “Ordering Information” on page 33 for package options and gain configurations. CS35L00 FEB '11 DS906PP1 |
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