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PDF CS4398 Data sheet ( Hoja de datos )
| Número de pieza | CS4398 | |
| Descripción | 120 dB / 192 kHz Multi-Bit DAC with Volume Control | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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CS4398
120-dB, 192-kHz Multibit DAC with Volume Control
Features
Advanced Multibit Delta-Sigma Architecture
– 120 dB Dynamic Range
– -107 dB THD+N
– Low Clock Jitter Sensitivity
– Differential Analog Outputs
PCM input
– 102 dB of Stopband Attenuation
– Supports Sample Rates up to 192 kHz
– Accepts up to 24 bit Audio Data
– Supports All Industry Standard Audio
Interface Formats
– Selectable Digital Filter Response
– Volume Control with 1/2 dB Step Size and
Soft Ramp
– Flexible Channel Routing and Mixing
– Selectable De-Emphasis
Supports Stand-Alone or I²C/SPI
Configuration
Embedded Level Translators
– 1.8 V to 5 V Serial Audio Input
– 1.8 V to 5 V Control Data Input
Direct Stream Digital (DSD)
– Dedicated DSD Input Pins
– On-Chip 50 kHz Filter to Meet Scarlet Book
SACD Recommendations
– Matched PCM and DSD Analog Output
Levels
– Non-Decimating Volume Control with
1/2 dB Step Size and Soft Ramp
– DSD Mute Detection
– Supports Phase-Modulated Inputs
– Optional Direct DSD Path to On-Chip
Switched Capacitor Filter
Control Output for External Muting
– Independent Left and Right Mute Controls
– Supports Auto Detection of Mute Output
Polarity
Typical Applications
– DVD Players
– SACD Players
– A/V Receivers
– Professional Audio Products
3.3 V to 5 V
5V
1.8 V to 5 V
Hardware or I2C/SPI
Control Data
1.8 V to 5V
PCM Input
DSD Input
Register/Hardware
Configuration
Interpolation
Filter with
Volume Control
Multibit
Modulator
PCM
Serial
Interface
Interpolation
Filter with
Volume Control
Multibit
Modulator
DSD
Interface
DSD Processor
-Volume control
-50kHz filter
Direct DSD
Switched
Capacitor
DAC and
Filter
Left
Differential
Output
Switched
Capacitor
DAC and
Filter
External
Mute
Control
Internal Voltage
Reference
Right
Differential
Output
Left and Right
Mute Controls
http://www.cirrus.com
Copyright Cirrus Logic, Inc. 2015
(All Rights Reserved)
MAR '15
DS568F2
1 page  
CS4398
LIST OF TABLES
Table 1. Clock Ratios .................................................................................................................... 22
Table 2. Common Clock Frequencies........................................................................................... 23
Table 3. Digital Interface Format, Stand-Alone Mode Options...................................................... 23
Table 4. Mode Selection, Stand-Alone Mode Options .................................................................. 23
Table 5. Digital Interface Formats - PCM Mode............................................................................ 30
Table 6. Digital Interface Formats - DSD Mode ............................................................................ 31
Table 7. Example Digital Volume Settings .................................................................................... 35
Table 8. Revision Table ................................................................................................................ 48
DS568F2
5
5 Page 
CS4398
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE
The filter characteristics have been normalized to the sample rate (Fs) and can be referenced to the desired sam-
ple rate by multiplying the given characteristic by Fs.)
(See note 9.)
Fast Roll-Off
Parameter
Min Typ Max
Combined Digital and On-Chip Analog Filter Response - Single-Speed Mode - 48 kHz (Note 5)
Passband (Note 6)
to -0.01 dB corner
to -3 dB corner
0
0
- .454
- .499
Frequency Response 10 Hz to 20 kHz
-0.01
- +0.01
StopBand
0.547
-
-
StopBand Attenuation
(Note 7) 102
-
-
Group Delay
- 9.4/Fs -
De-emphasis Error (Note 8)
Fs = 32 kHz
-
- ±0.23
(Relative to 1 kHz)
Fs = 44.1 kHz
-
- ±0.14
Fs = 48 kHz
-
- ±0.09
Combined Digital and On-Chip Analog Filter Response - Double-Speed Mode - 96 kHz (Note 5)
Passband (Note 6)
to -0.01 dB corner
to -3 dB corner
0
0
- .430
- .499
Frequency Response 10 Hz to 20 kHz
-0.01 - 0.01
StopBand
.583 -
-
StopBand Attenuation
(Note 7)
80
-
-
Group Delay
- 4.6/Fs -
Combined Digital and On-Chip Analog Filter Response - Quad-Speed Mode - 192 kHz (Note 5)
Passband (Note 6)
to -0.01 dB corner
0
- .105
to -3 dB corner
0
- .490
Frequency Response 10 Hz to 20 kHz
-0.01 - 0.01
StopBand
.635 -
-
StopBand Attenuation
(Note 7)
90
-
-
Group Delay
- 4.7/Fs -
Unit
Fs
Fs
dB
Fs
dB
s
dB
dB
dB
Fs
Fs
dB
Fs
dB
s
Fs
Fs
dB
Fs
dB
s
4. Slow Roll-off interpolation filter is only available in Control Port mode.
5. Filter response is guaranteed by design.
6. Response is clock-dependent and will scale with Fs.
7. For Single-Speed Mode, the Measurement Bandwidth is from stopband to 3 Fs.
For Double-Speed Mode, the Measurement Bandwidth is from stopband to 3 Fs.
For Quad-Speed Mode, the Measurement Bandwidth is from stopband to 1.34 Fs.
8. De-emphasis is available only in Single-Speed Mode; Only 44.1 kHz De-emphasis is available in Stand-
Alone mode.
9. Amplitude vs. Frequency plots of this data are available in the “Appendix” on page 44.
DS568F2
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CS4398.PDF ] | |
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