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参数资料
型号： CS4354-CSZ
厂商： CIRRUS LOGIC INC
元件分类： DAC
中文描述： SERIAL INPUT LOADING, 24-BIT DAC, PDSO14
封装： 0.150 INCH, LEAD FREE, MS-012, SOIC-14
文件页数： 12/26页
文件大小： 414K
代理商： CS4354-CSZ
2
DS895PP1
CS4354
TABLE OF CONTENTS
1. PIN DESCRIPTIONS
........................................................................................................................... 4
2. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 5
RECOMMENDED OPERATING CONDITIONS .................................................................................... 5
ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 5
DAC ANALOG CHARACTERISTICS .................................................................................................... 6
COMBINED DIGITAL AND ON-CHIP ANALOG FILTER CHARACTERISTICS ................................... 7
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE ......................................................... 8
DIGITAL INTERFACE CHARACTERISTICS ....................................................................................... 10
INTERNAL POWER-ON RESET THRESHOLD VOLTAGES ............................................................. 10
DC ELECTRICAL CHARACTERISTICS .............................................................................................. 11
2.1 Digital I/O Pin Characteristics ........................................................................................................ 11
3. TYPICAL CONNECTION DIAGRAM ................................................................................................... 12
4. APPLICATIONS ................................................................................................................................... 13
4.1 Ground-Centered Line Outputs ...................................................................................................... 13
4.2 Sample Rate Range/Operational Mode Detect .............................................................................. 13
4.3 System Clocking ............................................................................................................................ 13
4.4 Serial Clock .................................................................................................................................... 14
4.4.1 External Serial Clock Mode ................................................................................................... 14
4.4.2 Internal Serial Clock Mode .................................................................................................... 14
4.4.2.1 De-Emphasis Control ................................................................................................. 14
4.5 Internal High-Pass Filter ................................................................................................................ 15
4.6 Digital Interface Format .................................................................................................................. 15
4.7 Internal Power-On Reset ............................................................................................................... 15
4.8 Initialization .................................................................................................................................... 16
4.9 Recommended Operational Sequences ........................................................................................ 18
4.9.1 Power-Up .............................................................................................................................. 18
4.9.2 Power-Down .......................................................................................................................... 18
4.9.3 Sample Rate Change ............................................................................................................ 18
4.10 Grounding and Power Supply Arrangements .............................................................................. 18
4.10.1 Capacitor Placement ........................................................................................................... 19
5. COMBINED DIGITAL AND ON-CHIP ANALOG FILTER RESPONSE PLOTS
.............................. 20
6. PARAMETER DEFINITIONS ................................................................................................................ 22
7. PACKAGE INFORMATION .................................................................................................................. 23
7.1 Dimensions .................................................................................................................................... 23
7.2 Thermal Characteristics ................................................................................................................. 23
8. ORDERING INFORMATION ................................................................................................................ 24
9. REVISION HISTORY ............................................................................................................................ 25
LIST OF FIGURES
Figure 1. External Serial Clock Mode Input Timing ..................................................................................... 9
Figure 2. Internal Serial Clock Mode Input Timing ...................................................................................... 9
Figure 3. Internal Serial Clock Generation .................................................................................................. 9
Figure 4. Power-On Reset Threshold Sequence ...................................................................................... 10
Figure 5. Typical Connection Diagram ...................................................................................................... 12
Figure 6. CS4354 Data Format (IS) ......................................................................................................... 14
Figure 7. De-Emphasis Curve, Fs = 44.1 kHz .......................................................................................... 15
Figure 8. Internal Power-On Reset Circuit ................................................................................................ 15
Figure 9. Initialization and Power-Down Sequence Diagram .................................................................... 17
Figure 10. Single-Speed Stopband Rejection ........................................................................................... 20
Figure 11. Single-Speed Transition Band ................................................................................................. 20
Figure 12. Single-Speed Transition Band (detail) ..................................................................................... 20
Figure 13. Single-Speed Passband Ripple ............................................................................................... 20
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