CDB4382A Cirrus Logic Inc, CDB4382A Datasheet - Page 2

• Manufacturer Part Number: CDB4382A
• Description: Eval Bd 114dB 192kHz 8Chn DAC W/DSD Supt
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4382A

• Number Of Dac's: 8
• Number Of Bits: 24
• Outputs And Type: 8, Single Ended
• Sampling Rate (per Second): 192k
• Data Interface: Serial
• Dac Type: Voltage
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS4382A
• Description/function: Audio D/A
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: CS4382A
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant
• Other names: 598-1524

2
TABLE OF CONTENTS
1. PIN DESCRIPTION ................................................................................................................................. 6
2. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 8
3. TYPICAL CONNECTION DIAGRAM .................................................................................................. 19
4. APPLICATIONS ................................................................................................................................... 21
5. REGISTER QUICK REFERENCE ........................................................................................................ 32
6. REGISTER DESCRIPTION .................................................................................................................. 33
RECOMMENDED OPERATING CONDITIONS .................................................................................... 8
ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 8
DAC ANALOG CHARACTERISTICS - COMMERCIAL (-CQZ) ............................................................. 9
DAC ANALOG CHARACTERISTICS - AUTOMOTIVE (-DQZ) ........................................................... 10
POWER AND THERMAL CHARACTERISTICS .................................................................................. 11
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ...................................... 12
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ...................................... 13
DSD COMBINED DIGITAL & ON-CHIP ANALOG FILTER RESPONSE ............................................ 13
DIGITAL CHARACTERISTICS ............................................................................................................ 14
SWITCHING CHARACTERISTICS - PCM .......................................................................................... 15
SWITCHING CHARACTERISTICS - DSD ........................................................................................... 16
SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT ............................................. 17
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT ............................................ 18
4.1 Master Clock .................................................................................................................................. 21
4.2 Mode Select ................................................................................................................................... 21
4.3 Digital Interface Formats ................................................................................................................ 23
4.4 Oversampling Modes ..................................................................................................................... 24
4.5 Interpolation Filter .......................................................................................................................... 24
4.6 De-emphasis .................................................................................................................................. 24
4.7 ATAPI Specification ....................................................................................................................... 25
4.8 Direct Stream Digital (DSD) Mode ................................................................................................. 26
4.9 Grounding and Power Supply Arrangements ................................................................................ 26
4.10 Analog Output and Filtering ......................................................................................................... 26
4.11 Mute Control ................................................................................................................................ 27
4.12 Recommended Power-Up Sequence .......................................................................................... 28
4.13 Recommended Procedure for Switching Operational Modes ...................................................... 29
4.14 Control Port Interface ................................................................................................................... 29
4.15 Memory Address Pointer (MAP) ................................................................................................. 31
4.16 INCR (Auto Map Increment Enable) ............................................................................................ 31
6.1 Mode Control 1 (Address 01h) ....................................................................................................... 33
6.2 Mode Control 2 (Address 02h) ....................................................................................................... 34
4.9.1 Capacitor Placement ............................................................................................................. 26
4.12.1 Hardware Mode ................................................................................................................... 28
4.12.2 Software Mode .................................................................................................................... 28
4.14.1 MAP Auto Increment ........................................................................................................... 29
4.14.2 I²C Mode .............................................................................................................................. 29
4.14.3 SPI Mode ............................................................................................................................. 30
4.16.1 MAP4-0 (Memory Address Pointer) .................................................................................... 31
6.1.1 Control Port Enable (CPEN) .................................................................................................. 33
6.1.2 Freeze Controls (FREEZE) ................................................................................................... 33
6.1.3 Master Clock Divide Enable (MCLKDIV) ............................................................................... 33
6.1.4 DAC Pair Disable (DACx_DIS) .............................................................................................. 33
6.1.5 Power Down (PDN) ............................................................................................................... 34
4.14.2.1 I²C Write ................................................................................................................... 29
4.14.2.2 I²C Read .................................................................................................................. 30
4.14.3.1 SPI Write .................................................................................................................. 30
CS4382A
DS618F2