CS4354 datasheet(1/25 Pages) CIRRUS

Il numero della parte	CS4354

Spiegazioni elettronici	5 V Stereo DAC with 2 VRMS Ground-centered Output

PDF	25 Pages

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Produttore elettronici	CIRRUS [Cirrus Logic]

Homepage	http://www.cirrus.com

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Copyright

 Cirrus Logic, Inc. 2010

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.

5 V Stereo DAC with 2 VRMS Ground-centered Output

Features



Advanced Multi-bit Delta-Sigma Modulator



101 dB A-wt Dynamic Range



-86 dB THD+N



Single-ended Ground Centered Analog

Architecture

– No DC-blocking Capacitors Required

– Integrated Inverting Charge Pump

– Filtered Line-level Outputs

–2 VRMS Full-scale Output



Low-latency Digital Filtering



Supports Sample Rates up to 192 kHz



24-bit I²S Input



+5 V Analog Supply with Integrated Inverting

Charge Pump and Regulator for Core Logic,

and +1.8 V to +5 V Interface Power Supplies



50 mW Power Consumption



14-pin SOIC, Lead-free Assembly

Description

The CS4354 is a complete stereo digital-to-analog sys-

tem including digital interpolation, third-order multi-bit

delta-sigma digital-to-analog conversion, digital de-em-

phasis, analog filtering, and on-chip 2 VRMS line-level

driver from a 5 V supply.

The advantages of this architecture include ideal differ-

ential linearity, no distortion mechanisms due to resistor

matching errors, no linearity drift over time and temper-

ature, high tolerance to clock jitter, and a minimal set of

external components.

The CS4354 is available in a 14-pin SOIC package in

Commercial (-40°C to +85°C) grade. The CDB4354

Customer Demonstration Board is also available for de-

vice evaluation and implementation suggestions.

Please see “Ordering Information” on page 23 for com-

plete details.

These features are ideal for cost-sensitive, 2-channel

audio systems including video game consoles, Blu-Ray

Disc® and DVD players, set-top boxes, digital TVs, and

DAB/DMB devices.

PCM Serial

Audio Port

I²S Serial

Audio Input

Multibit

Modulator

Interpolation

Filters + HPF

Left Channel

Right Channel

Power-On

Reset

Auto Speed

Mode Detect

Analog Supply (VA)

+5 V

Inverting

Charge

Pump

1.8V reg

-VA

Interface Supply (VL)

+1.8V to +5V

Ground-Centered,

2 Vrms Line Level

Outputs

DAC

JULY '10

DS895A2

CS4354

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