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CDB43L21 датащи(PDF) 2 Page - Cirrus Logic

номер детали CDB43L21
подробное описание детали  Low Power, Stereo Digital to Analog Converter
Download  63 Pages
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производитель  CIRRUS [Cirrus Logic]
домашняя страница  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CDB43L21 датащи(HTML) 2 Page - Cirrus Logic

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2
DS723A1
CS43L21
APPLICATIONS
Portable Audio Players
MD Players
PDAs
Personal Media Players
Portable Game Consoles
Smart Phones
Wireless Headsets
GENERAL DESCRIPTION
The CS43L21 is a highly integrated, 24-bit, 96 kHz, low
power stereo DAC. Based on multi-bit, delta-sigma
modulation, it allows infinite sample rate adjustment be-
tween 4 kHz and 96 kHz. The DAC offers many features
suitable for low power, portable system applications.
The DAC output path includes a digital signal process-
ing engine. Tone Control provides bass and treble
adjustment of four selectable corner frequencies. The
Mixer allows independent volume control for PCM mix,
as well as a master digital volume control for the analog
output. All volume level changes may be configured to
occur on soft ramp and zero cross transitions. The DAC
also includes de-emphasis, limiting functions and a
beep generator delivering tones selectable across a
range of two full octaves.
The stereo headphone amplifier is powered from a sep-
arate positive supply and the integrated charge pump
provides a negative supply. This allows a ground-cen-
tered analog output with a wide signal swing and
eliminates external DC-blocking capacitors.
In addition to its many features, the CS43L21 operates
from a low-voltage analog and digital core, making this
DAC ideal for portable systems that require extremely
low power consumption in a minimal amount of space.
The CS43L21 is available in a 32-pin QFN package in
both Commercial (-10 to +70° C) and Automotive
grades (-40 to +85° C). The CS43L21 Customer Dem-
onstration board is also available for device evaluation
and implementation suggestions. Please see “Ordering
Information” on page 63 for complete details.


Аналогичный номер детали - CDB43L21

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Аналогичное описание - CDB43L21

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