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參數資料
| 型號： | CDB43L43 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | Low Voltage,Stereo DAC With Headphone Amp |
| 中文描述： | 低電壓，立體聲DAC耳機放大器 |
| 文件頁數： | 1/40頁 |
| 文件大小： | 1079K |
| 代理商： | CDB43L43 |
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Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright
Cirrus Logic, Inc. 2004
(All Rights Reserved)
http://www.cirrus.com
Features
1.8 to 3.3 Volt supply
24-Bit conversion / 96 kHz sample rate
96 dB dynamic range at 3 V supply
-85 dB THD+N
Low power consumption
Digital volume control
96 dB attenuation, 1 dB step size
Digital bass and treble boost
Selectable corner frequencies
Up to 12 dB boost in 1 dB increments
Peak signal limiting to prevent clipping
De-emphasis for 32 kHz, 44.1 kHz, and 48 kHz
Headphone amplifier
up to 25 mW
rms
power output into 16
load*
25 dB analog attenuation and mute
Zero crossing click free level transitions
ATAPI mixing functions
24-Pin TSSOP package
*
1 kHz sine wave at 3.3V supply
Description
The CS43L42 is a complete stereo digital-to-analog out-
put system including interpolation, 1-bit D/A conversion,
analog filtering, volume control, line level outputs, and a
headphone amplifier, in a 24-pin TSSOP package.
The CS43L42 is based on delta-sigma modulation,
where the modulator output controls the reference volt-
age input to an ultra-linear analog low-pass filter. This
architecture allows infinite adjustment of the sample rate
between 2 kHz and 100 kHz simply by changing the
master clock frequency.
The CS43L42 contains on-chip digital bass and treble
boost, peak signal limiting, and de-emphasis. The
CS43L42 operates from a +1.8 V to +3.3 V supply and
consumes only 16 mW of power with a 1.8 V supply with
the line amplifier powered-down. These features are
ideal for portable CD, MP3 and MD players and other
portable playback systems that require extremely low
power consumption.
ORDERING INFORMATION
CS43L42-KZ
CS43L42-KZZ, Lead Free -10 to 70 °C 24-pin TSSOP
CDB43L42
-10 to 70 °C 24-pin TSSOP
Evaluation Board
SCL/CCLK/DIF1 SDA/CDIN/DIF0
AD0/CS/DEM0
MUTEC
Control Port
Digital
Volume
Control
Bass/Treble
Boost
Limiting
Analog
Filter
Analog
Filter
HP_A
HP_B
AOUTA
AOUTB
RST
LRCK
SCLK/DEM1
SDATA
S
D
D
Σ
DAC
Σ
DAC
H
A
External
Mute Control
Analog
Volume
Control
MCLK
Analog
Volume
Control
L
A
C
G
VA_HP
VA_LINE
VA
VL
GND
VQ_HP
FILT+
REF_GND
VQ_LINE
CS43L42
Low Voltage, Stereo DAC with Headphone Amp
Sep ‘04
DS481PP2
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