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Cirrus Logic

CS4364 Datasheet Preview

CS4364 Datasheet

192 kHz 6-Channel D/A Converter

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CS4364
103 dB, 192 kHz 6-Channel D/A Converter
Features
 Advanced Multi-bit Delta Sigma Architecture
 24-bit Conversion
 Automatic Detection of Sample Rates up to
192 kHz
 103 dB Dynamic Range
 -88 dB THD+N
 Single-Ended Output Architecture
 Direct Stream Digital® (DSD™) Mode
– Non-Decimating Volume Control
– On-Chip 50 kHz Filter
– Matched PCM and DSD Analog Output
Levels
 Selectable Digital Filters
 Volume Control with 1/2-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 and Serial Ports
Description
The CS4364 is a complete 6-channel digital-to-analog
system. This D/A system includes digital de-emphasis,
half-dB step size volume control, ATAPI channel mix-
ing, selectable fast and slow digital interpolation filters
followed by an oversampled, multi-bit delta sigma mod-
ulator which includes mismatch shaping technology that
eliminates distortion due to capacitor mismatch. Follow-
ing this stage is a multi-element switched capacitor
stage and low-pass filter with single-ended analog
outputs.
The CS4364 also has a proprietary DSD processor
which allows for volume control and 50 kHz on-chip fil-
tering without an intermediate decimation stage. It also
offers an optional path for direct DSD conversion by di-
rectly using the multi-element switched capacitor array.
The CS4364 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, and sound cards.
This product is available in 48-pin LQFP package in
Commercial (-40°C to +85°C) temperature grade. See
“Ordering Information” on page 49 for complete details.
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
DSD Audio
Input
Register/Hardware
Configuration
Internal Voltage
Reference
Volume
6 Controls
Digital
Filters
Multi-bit ∆Σ
Modulators
Switch-Cap
DAC and
Analog Filters
Six Channels of
Single-Ended
6 Outputs
DSD Processor
-Volume control
-50 kHz filter
External Mute
Control
6
Mute Signals
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2008
(All Rights Reserved)
MAY '08
DS619F1




Cirrus Logic

CS4364 Datasheet Preview

CS4364 Datasheet

192 kHz 6-Channel D/A Converter

No Preview Available !

CS4364
TABLE OF CONTENTS
1. PIN DESCRIPTION................................................................................................................................. 6
2. CHARACTERISTICS AND SPECIFICATIONS...................................................................................... 8
RECOMMENDED OPERATING CONDITIONS .......................................................................................... 8
ABSOLUTE MAXIMUM RATINGS............................................................................................................... 8
DAC ANALOG CHARACTERISTICS........................................................................................................... 9
POWER AND THERMAL CHARACTERISTICS........................................................................................ 10
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE............................................ 11
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE............................................ 12
DSD COMBINED DIGITAL & ON-CHIP ANALOG FILTER RESPONSE .................................................. 12
DIGITAL CHARACTERISTICS .................................................................................................................. 13
SWITCHING CHARACTERISTICS - PCM ................................................................................................ 14
SWITCHING CHARACTERISTICS - DSD................................................................................................. 15
SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT.................................................... 16
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT................................................... 17
3. TYPICAL CONNECTION DIAGRAM .............................................................................................. 18
4. APPLICATIONS ................................................................................................................................... 20
4.1 Master Clock.................................................................................................................................. 20
4.2 Mode Select.................................................................................................................................. 21
4.3 Digital Interface Formats ............................................................................................................... 22
4.3.1 OLM #1 ................................................................................................................................ 23
4.3.2 OLM #2 ................................................................................................................................ 23
4.4 Oversampling Modes..................................................................................................................... 23
4.5 Interpolation Filter .......................................................................................................................... 24
4.6 De-Emphasis ................................................................................................................................. 24
4.7 ATAPI Specification ....................................................................................................................... 25
4.8 Direct Stream Digital (DSD) Mode................................................................................................. 25
4.9 Grounding and Power Supply Arrangements ................................................................................ 26
4.9.1 Capacitor Placement............................................................................................................ 26
4.10 Analog Output and Filtering ......................................................................................................... 26
4.11 The MUTEC Outputs ................................................................................................................... 27
4.12 Recommended Power-Up Sequence .......................................................................................... 28
4.12.1 Hardware Mode.................................................................................................................. 28
4.12.2 Software Mode ................................................................................................................... 28
4.13 Recommended Procedure for Switching Operational Modes...................................................... 29
4.14 Control Port Interface .................................................................................................................. 29
4.14.1 MAP Auto Increment .......................................................................................................... 29
4.14.2 I²C Mode ............................................................................................................................ 29
4.14.3 SPI Mode ........................................................................................................................... 30
4.15 Memory Address Pointer (MAP) ................................................................................................. 31
4.15.1 INCR (Auto Map Increment Enable) .................................................................................. 31
4.15.2 MAP4-0 (Memory Address Pointer) ................................................................................... 31
5. REGISTER QUICK REFERENCE ....................................................................................................... 32
6. REGISTER DESCRIPTION .................................................................................................................. 33
6.1 Chip Revision (Address 01h) ......................................................................................................... 33
6.1.1 Part Number ID (PART) [Read Only] ................................................................................... 33
6.1.2 Revision ID (REV) [Read Only] ............................................................................................ 33
6.2 Mode Control 1 (Address 02h) ...................................................................................................... 33
6.2.1 Control Port Enable (CPEN) ................................................................................................ 33
6.2.2 Freeze Controls (FREEZE) .................................................................................................. 33
6.2.3 PCM/DSD Selection (DSD/PCM)......................................................................................... 34
6.2.4 DAC Pair Disable (DACx_DIS) ............................................................................................ 34
6.2.5 Power Down (PDN).............................................................................................................. 34
2 DS619F1


Part Number CS4364
Description 192 kHz 6-Channel D/A Converter
Maker Cirrus Logic
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CS4364 Datasheet PDF






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