CS4270-DZZ Cirrus Logic Inc, CS4270-DZZ Datasheet - Page 3

• Manufacturer Part Number: CS4270-DZZ
• Description: IC CODEC 24BIT 105DB 24TSSOP
• Manufacturer: Cirrus Logic Inc
• Type: Stereo Audior

Specifications of CS4270-DZZ

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 105
• Voltage - Supply, Analog: 3.1 V ~ 5.25 V
• Voltage - Supply, Digital: 3.1 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Audio Codec Type: Stereo
• No. Of Adcs: 1
• No. Of Dacs: 1
• No. Of Input Channels: 3
• No. Of Output Channels: 3
• Adc / Dac Resolution: 24bit
• Sampling Rate: 216kSPS
• Ic Interface Type: I2C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1002 - BOARD EVAL FOR CS4270 CODEC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 598-1622

DS686PP1
TABLE OF CONTENTS
1. PIN DESCRIPTIONS - SOFTWARE MODE ........................................................................................... 6
2. PIN DESCRIPTIONS - STAND-ALONE MODE ..................................................................................... 7
3. TYPICAL CONNECTION DIAGRAM ..................................................................................................... 8
4. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 9
5. APPLICATIONS ................................................................................................................................... 22
6. CONTROL PORT INTERFACE ............................................................................................................ 32
7. REGISTER QUICK REFERENCE ........................................................................................................ 34
8. REGISTER DESCRIPTION .................................................................................................................. 35
SPECIFIED OPERATING CONDITIONS ............................................................................................... 9
ABSOLUTE MAXIMUM RATINGS ......................................................................................................... 9
THERMAL CHARACTERISTICS ............................................................................................................ 9
DAC ANALOG CHARACTERISTICS - COMMERCIAL GRADE .......................................................... 10
DAC ANALOG CHARACTERISTICS - AUTOMOTIVE GRADE .......................................................... 10
DAC ANALOG CHARACTERISTICS - ALL MODES ........................................................................... 11
DAC COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE .............................. 12
ADC ANALOG CHARACTERISTICS - COMMERCIAL GRADE .......................................................... 13
ADC ANALOG CHARACTERISTICS - AUTOMOTIVE GRADE .......................................................... 14
ADC DIGITAL FILTER CHARACTERISTICS ....................................................................................... 15
DC ELECTRICAL CHARACTERISTICS .............................................................................................. 16
DIGITAL CHARACTERISTICS ............................................................................................................. 16
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT ............................................................... 17
SWITCHING CHARACTERISTICS - I²C MODE CONTROL PORT ..................................................... 20
SWITCHING CHARACTERISTICS - SPITM CONTROL PORT .......................................................... 21
5.1 Stand-Alone Mode ......................................................................................................................... 22
5.2 Control Port Mode ......................................................................................................................... 24
5.3 De-Emphasis Filter ........................................................................................................................ 27
5.4 Analog Connections ...................................................................................................................... 28
5.5 Mute Control .................................................................................................................................. 30
5.6 Synchronization of Multiple Devices .............................................................................................. 31
5.7 Grounding and Power Supply Decoupling .................................................................................... 31
6.1 SPI™ Mode ................................................................................................................................... 32
6.2 I²C
8.1 Chip ID - Address 01h ................................................................................................................... 35
5.1.1 Recommended Power-Up Sequence .................................................................................... 22
5.1.2 Master/Slave Mode ............................................................................................................... 22
5.1.3 System Clocking .................................................................................................................... 22
5.1.4 Clock Ratio Selection ............................................................................................................ 23
5.1.5 Interpolation Filter ................................................................................................................. 23
5.1.6 High-Pass Filter ..................................................................................................................... 23
5.1.7 Mode Selection & De-Emphasis ............................................................................................ 24
5.1.8 Serial Audio Interface Format Selection ................................................................................ 24
5.2.1 Recommended Power-Up Sequence - Access to Control Port Mode ................................... 24
5.2.2 Master / Slave Mode Selection .............................................................................................. 24
5.2.3 System Clocking .................................................................................................................... 25
5.2.4 Clock Ratio Selection ............................................................................................................ 25
5.2.5 Internal Digital Loopback ....................................................................................................... 26
5.2.6 Auto-Mute .............................................................................................................................. 26
5.2.7 High-Pass Filter and DC Offset Calibration ........................................................................... 26
5.2.8 De-Emphasis ......................................................................................................................... 27
5.2.9 Oversampling Modes ............................................................................................................ 27
5.4.1 Input Connections ................................................................................................................. 28
5.4.2 Output Connections ............................................................................................................... 30
®
Mode ...................................................................................................................................... 33
CS4270
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