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PDF CS4345 Data sheet ( Hoja de datos )
| Número de pieza | CS4345 | |
| Descripción | (CS4344 - CS4348) 192KHz STEREO D/A CONVERTER | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CS4345 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
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CS4344/5/6/8
10-pin, 24-Bit, 192 kHz Stereo D/A Converter
Features
! Multi-bit Delta-Sigma Modulator
! 24-bit Conversion
! Automatically Detects Sample Rates up to
192 kHz.
! 105 dB Dynamic Range
! -90 dB THD+N
! Low Clock-Jitter Sensitivity
! Single +3.3 V or +5 V Power Supply
! Filtered Line-Level Outputs
! On-chip Digital De-emphasis
! Popguard™ Technology
! Small 10-pin TSSOP Package
Description
The CS4344 family members are complete, stereo dig-
ital-to-analog output systems including interpolation,
multi-bit D/A conversion and output analog filtering in a
10-pin package. The CS4344/5/6/8 support all major
audio data interface formats, and the individual devices
differ only in the supported interface format.
The CS4344 family is based on a fourth order multi-bit
delta-sigma modulator with a linear analog low-pass fil-
ter. This family also includes auto-speed mode
detection using both sample rate and master clock ratio
as a method of auto-selecting sampling rates between
2 kHz and 200 kHz.
The CS4344 family contains on-chip digital de-empha-
sis, operates from a single +3.3 V or +5 V power supply,
and requires minimal support circuitry. These features
are ideal for DVD players & recorders, digital televi-
sions, home theater and set top box products, and
automotive audio systems.
The CS4344 family is available in a 10-pin TSSOP
package in both Commercial (-10 to +85 °C) and Auto-
motive grades (-40 to +85 °C). Please see Section 8.
“Ordering Information” on page 23 for complete details.
Serial Audio
Input
De-emphasis
PCM
Serial
Interface
3.3 V or 5 V
Interpolation
Filter
Multibit
∆Σ Modulator
Interpolation
Filter
Multibit
∆Σ Modulator
Switched
Capacitor
DAC and
Filter
Switched
Capacitor
DAC and
Filter
Internal
Voltage
Reference
Left
Output
Right
Output
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
SEPTEMBER '05
DS613F1
1 page  
CS4344/5/6/8
2. CHARACTERISTICS AND SPECIFICATIONS
(All Min/Max characteristics and specifications are guaranteed over the Specified Operating Conditions. Typical
performance characteristics and specifications are derived from measurements taken at nominal supply voltage
and TA = 25°C.)
SPECIFIED OPERATING CONDITIONS
(AGND = 0 V; all voltages with respect to ground.)
Parameters
Symbol Min Nom Max Units
DC Power Supply
Specified Temperature Range
-CZZ
-DZZ
VA
TA
4.75 5.0 5.25
3.00 3.3 3.47
-10 - +70
-40 - +85
V
V
°C
°C
ABSOLUTE MAXIMUM RATINGS
(AGND = 0 V; all voltages with respect to ground.)
Parameters
Symbol
Min
Max Units
DC Power Supply
VA -0.3
6.0 V
Input Current, Any Pin Except Supplies
Digital Input Voltage
Ambient Operating Temperature (power applied)
Storage Temperature
Iin -
±10 mA
VIND
-0.3
VA+0.4
V
Top -55
125 °C
Tstg -65
150 °C
WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal operation
is not guaranteed at these extremes.
DS613F1
5
5 Page 
3. TYPICAL CONNECTION DIAGRAM
CS4344/5/6/8
Audio
Data
Processor
Note* = This circuitry is intended for applications where the
CS4344/5/6/8 connects directly to an unbalanced output of
the design. For internal routing applications please see the
DAC analog output characteristics for loading limitations.
0.1 µF
9
VA
+3.3 V to +5 V
+
1 µF
1 SDIN
2 DEM/SCLK
3
LRCK
AOUTL 7
3.3 µF
+
10 kΩ
470Ω
Left Audio
Output
C
Note*
Rext
CS4344
CS4345 AOUTR
CS4346
CS4348
10
3.3 µF
+
10 kΩ
470 Ω
Right Audio
Output
C
Rext
External Clock
4
MCLK
6
FILT+
10 µF
C=
Rext + 470 For best 20 kHz response
4πFs(Rext 470)
AGND
8
5
VQ
0.1 µF
*3.3 µF
or
*10 µF
*Popguard ramp can be adjusted by
selecting this capacitor value to be
3.3 µF to give 250 ms ramp time
or 10 µF to give a 420 ms ramp time.
Figure 6. Recommended Connection Diagram
DS613F1
11
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet CS4345.PDF ] | |
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