Datasheet > CS35L00_11

CS35L00_11

更新时间： 2022-02-26 14:14:39

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
34页	761K
描述
2.8 W Mono Class-D Audio Amplifier with Low Idle Current

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CS35L00_11 数据手册

CS35L00

2.8 W Mono Class-D Audio Amplifier with Low Idle Current

CS35L00 Features

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.

 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)

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.

 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

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.

 Laptops

 Netbooks

 Portable Navigation Devices

 Active Speakers

 Portable Gaming

VBATT

LDO Filter

MODE

2.5V - 5V

Low Drop-Out

Voltage Regulator

Class-H

Controller

Shutdown

Gate Drivers

Audio In +

Gain Select

Audio In -

Gain

Advanced ΔΣ

Modulator

Speaker Out +

Speaker Out -

Gate Drivers

Internal

Oscillator

Short Circuit/Thermal

Protection

GND

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

Preliminary Product Information

FEB '11

DS906PP1

http://www.cirrus.com

12 3 4 5 6 7...34

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