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CS35L00 Dataheets PDF



Part Number CS35L00
Manufacturers Cirrus Logic
Logo Cirrus Logic
Description 2.7 W Mono Class-D Audio Amplifier
Datasheet CS35L00 DatasheetCS35L00 Datasheet (PDF)

CS35L00 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 1.

  CS35L00   CS35L00



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CS35L00 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 architecture 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 offers full audio bandwidth and high audio performance; Hybrid Class-D (HD) mode offers a substantial reduction in idle power consumption with an integrated ClassH controller; Reduced Frequency Class-D (FSD) mode reduces the output switching frequency, producing lower 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. Shutdown Audio In + Gain Select Audio In - Gain Gain MODE LDO Filter VBATT 2.5V - 5V Class-H Controller Low Drop-Out Voltage Regulator Advanced ΔΣ Modulator Gate Drivers Gate Drivers Speaker Out + Speaker Out - Internal Oscillator Short Circuit/Thermal Protection GND Preliminary Product Information http://www.cirrus.com This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. Copyright  Cirrus Logic, Inc. 2011 (All Rights Reserved) FEB '11 DS906PP1 CS35L00 TABLE OF CONTENTS 1. PIN DESCRIPTIONS FOR CS35L00 ..................................................................................................... 5 2. DIGITAL PIN CONFIGURATIONS ......................................................................................................... 6 3. TYPICAL CONNECTION DIAGRAMS ................................................................................................... 7 4. CHARACTERISTICS & SPECIFICATIONS ........................................................................................... 8 RECOMMENDED OPERATING CONDITIONS .................................................................................... 8 ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 8 ELECTRICAL CHARACTERISTICS - ALL OPERATIONAL MODES ................................................... 9 ELECTRICAL CHARACTERISTICS - SD MODE ................................................................................ 10 ELECTRICAL CHARACTERISTICS - FSD MODE .............................................................................. 11 ELECTRICAL CHARACTERISTICS - HD MODE ................................................................................ 12 ELECTRICAL CHARACTERISTICS - FHD MODE ............................................................................. 13 DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS .................................................... 14 POWER-UP & POWER-DOWN CHARACTERISTICS ........................................................................ 14 5. APPLICATIONS ................................................................................................................................... 15 5.1 MODE Descriptions ....................................................................................................................... 15 5.1.1 Standard Class D Modes of Operation .................................................................................. 15 5.1.1.1 SD Mode .................................................................................................................... 15 5.1.1.2 FSD Mode .................................................................................................................. 15 5.1.2 Hybrid Class D Modes of Operation ...................................................................................... 15 5.1.2.1 HD Mode .................................................................................................................... 16 5.1.2.2 FHD Mode .......................................................................................................


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