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PDF CS4362A Data sheet ( Hoja de datos )
| Número de pieza | CS4362A | |
| Descripción | 192 kHz 6-channel D/A Converter | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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CS4362A
114 dB, 192 kHz 6-Channel D/A Converter
Features
Advanced Multi-bit Delta Sigma Architecture
24-bit Conversion
Up to 192 kHz Sample Rates
114 dB Dynamic Range
-100 dB THD+N
Direct Stream Digital® (DSD™) Mode
On-chip 50 kHz Filter
Matched PCM and DSD Analog Output Levels
Selectable Digital Filters
Volume Control with 1 dB Step Size and Soft
Ramp
Low Clock-jitter Sensitivity
+5 V Analog Supply, +2.5 V Digital Supply
Separate 1.8 to 5 V Logic Supplies for the
Control & Serial Ports
Description
The CS4362A is a complete 6-channel digital-to-analog
system. This D/A system includes digital de-emphasis,
1 dB step size volume control, ATAPI channel mixing,
selectable fast and slow digital interpolation filters fol-
lowed by an oversampled, multi-bit delta-sigma
modulator which includes mismatch shaping technolo-
gy that eliminates distortion due to capacitor mismatch.
Following this stage is a multi-element switched capac-
itor stage and low-pass filter with differential analog
outputs.
The CS4362A also has a proprietary DSD processor
which allows for 50 kHz on-chip filtering without an in-
termediate decimation stage. The CS4362A is available
in a 48-pin LQFP package in both Commercial (-40°C to
+85°C) and Automotive grades (-40°C to +105°C). The
CDB4362A Customer Demonstration board is also
available for device evaluation and implementation sug-
gestions. Please see “Ordering Information” on page 48
for complete details.
The CS4362A accepts PCM data at sample rates from
4 kHz to 216 kHz, DSD audio data, and delivers excel-
lent sound quality. These features are ideal for multi-
channel audio systems including SACD players, A/V re-
ceivers, digital TV’s, mixing consoles, effects
processors, sound cards, and automotive audio
systems.
Control Port Supply = 1.8 V to 5 V
Digital Supply = 2.5 V
Analog Supply = 5 V
Hardware Mode or
I2C/SPI Software Mode
Control Data
Reset
Serial Audio Port
Supply = 1.8 V to 5 V
PCM Serial
Audio Input
Register/Hardware
Configuration
Internal Voltage
Reference
Volume
6 Controls
Digital
Filters
Multi-bit ∆Σ
Modulators
Switch-Cap
DAC and
Analog Filters
6 Six Channels of
Differential
Outputs
6
DSD Audio
Input
DSD Processor
-50 kHz filter
External Mute
Control
6
Mute Signals
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2009
(All Rights Reserved)
JAN '09
DS617F2
1 page  
CS4362A
LIST OF TABLES
Table 1. Common Clock Frequencies ....................................................................................................... 21
Table 2. Digital Interface Format, Stand-Alone Mode Options .................................................................. 22
Table 3. Mode Selection, Stand-Alone Mode Options .............................................................................. 22
Table 4. Direct Stream Digital (DSD), Stand-Alone Mode Options ........................................................... 22
Table 5. Digital Interface Formats - PCM Mode ........................................................................................ 34
Table 6. Digital Interface Formats - DSD Mode ........................................................................................ 35
Table 7. ATAPI Decode ............................................................................................................................ 39
Table 8. Example Digital Volume Settings ................................................................................................ 41
DS617F2
5
5 Page 
POWER AND THERMAL CHARACTERISTICS
CS4362A
Parameters
Symbol Min Typ Max Units
Power Supplies
Power Supply Current
(Note 4)
Normal Operation, VA= 5 V
VD= 2.5 V
(Note 5) Interface Current, VLC=5 V
VLS=5 V
(Note 6) Power-down State (all supplies)
Power Dissipation (Note 4)
VA = 5 V, VD = 2.5 V
Normal Operation
(Note 6) Power-down
IA
ID
ILC
ILS
Ipd
- 60 65 mA
- 16 22 mA
- 2 - µA
- 84 -
µA
- 200 -
µA
-
340 390
mW
- 1 - mW
Package Thermal Resistance
Power Supply Rejection Ratio (Note 7)
Multi-layer
Two-layer
θJA
θJA
θJC
- 48 - °C/Watt
- 65 - °C/Watt
- 15 - °C/Watt
(1 kHz)
(60 Hz)
PSRR
-
-
60
40
-
-
dB
dB
Notes:
4. Current consumption increases with increasing FS within a given speed mode and is signal-dependent.
Max values are based on highest FS and highest MCLK.
5. ILC measured with no external loading on the SDA pin.
6. Power-down Mode is defined as RST pin = Low with all clock and data lines held static.
7. Valid with the recommended capacitor values on FILT+ and VQ as shown in Figure 5 and Figure 6.
DS617F2
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CS4362A.PDF ] | |
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