CS42438-CMZ Cirrus Logic Inc, CS42438-CMZ Datasheet - Page 4
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CS42438-CMZ
Manufacturer Part Number
CS42438-CMZ
Description
IC CODEC 108DB 192KHZ 52-MQFP
Manufacturer
Cirrus Logic Inc
Type
Audio Codecr
Specifications of CS42438-CMZ
Package / Case
52-MQFP, 52-PQFP
Data Interface
Serial
Resolution (bits)
24 b
Number Of Adcs / Dacs
6 / 8
Sigma Delta
Yes
Dynamic Range, Adcs / Dacs (db) Typ
105 / 108 (Differential), 102 / 105 (Single-Ended)
Voltage - Supply, Analog
3.14 V ~ 5.25 V
Voltage - Supply, Digital
3.14 V ~ 3.47 V
Operating Temperature
-55°C ~ 150°C
Mounting Type
Surface Mount
Number Of Adc Inputs
6
Number Of Dac Outputs
8
Conversion Rate
192 KSPS
Interface Type
Serial (I2S, SPI)
Resolution
24 bit
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 10 C
Number Of Channels
6 ADC/8 DAC
Thd Plus Noise
- 98 dB ADC / - 98 dB DAC, - 95 dB ADC / - 95 dB DAC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
598-1500 - BOARD EVAL FOR CS42438 CODEC
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
598-1032
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CS42438-CMZ
Manufacturer:
LT
Quantity:
413
Company:
Part Number:
CS42438-CMZ
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
Company:
Part Number:
CS42438-CMZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
4
LIST OF FIGURES
9. ADC FILTER PLOTS ............................................................................................................................ 54
10. DAC FILTER PLOTS .......................................................................................................................... 56
11. PARAMETER DEFINITIONS .............................................................................................................. 58
12. REFERENCES .................................................................................................................................... 59
13. PACKAGE INFORMATION ................................................................................................................ 60
14. ORDERING INFORMATION .............................................................................................................. 61
15. REVISION HISTORY .......................................................................................................................... 61
Figure 1.Typical Connection Diagram (Software Mode) ........................................................................... 11
Figure 2.Typical Connection Diagram (Hardware Mode) .......................................................................... 12
Figure 3.Output Test Circuit for Maximum Load ....................................................................................... 19
Figure 4.Maximum Loading ....................................................................................................................... 19
Figure 5.TDM Serial Audio Interface Timing ............................................................................................. 21
Figure 6.Serial Audio Interface Slave Mode Timing .................................................................................. 22
Figure 7.Control Port Timing - I²C Format ................................................................................................. 23
Figure 8.Control Port Timing - SPI Format ................................................................................................ 24
Figure 9.Full-Scale Input ........................................................................................................................... 28
Figure 10.ADC3 Input Topology ................................................................................................................ 28
Figure 11.Audio Output Initialization Flow Chart ....................................................................................... 31
Figure 12.Full-Scale Output ...................................................................................................................... 32
Figure 13.De-Emphasis Curve .................................................................................................................. 33
Figure 14.TDM Serial Audio Format ......................................................................................................... 34
Figure 15.AUX I²S Format ......................................................................................................................... 34
Figure 16.AUX Left-Justified Format ......................................................................................................... 35
Figure 17.Control Port Timing in SPI Mode .............................................................................................. 36
Figure 18.Control Port Timing, I²C Write ................................................................................................... 36
Figure 19.Control Port Timing, I²C Read ................................................................................................... 37
Figure 20.Single to Differential Active Input Filter ..................................................................................... 50
Figure 21.Single-Ended Active Input Filter ................................................................................................ 50
Figure 22.Passive Input Filter ................................................................................................................... 51
Figure 23.Passive Input Filter w/Attenuation ............................................................................................. 52
Figure 24.Active Analog Output Filter ....................................................................................................... 53
Figure 25.Passive Analog Output Filter .................................................................................................... 53
Figure 26.SSM Stopband Rejection .......................................................................................................... 54
Figure 27.SSM Transition Band ................................................................................................................ 54
Figure 28.SSM Transition Band (Detail) ................................................................................................... 54
Figure 29.SSM Passband Ripple .............................................................................................................. 54
Figure 30.DSM Stopband Rejection .......................................................................................................... 54
Figure 31.DSM Transition Band ................................................................................................................ 54
Figure 32.DSM Transition Band (Detail) ................................................................................................... 55
Figure 33.DSM Passband Ripple .............................................................................................................. 55
Figure 34.SSM Stopband Rejection .......................................................................................................... 56
Figure 35.SSM Transition Band ................................................................................................................ 56
Figure 36.SSM Transition Band (detail) .................................................................................................... 56
Figure 37.SSM Passband Ripple .............................................................................................................. 56
Figure 38.DSM Stopband Rejection .......................................................................................................... 56
Figure 39.DSM Transition Band ................................................................................................................ 56
Figure 40.DSM Transition Band (detail) .................................................................................................... 57
Figure 41.DSM Passband Ripple .............................................................................................................. 57
Figure 42.QSM Stopband Rejection ......................................................................................................... 57
8.2 DAC Output Filter ........................................................................................................................... 53
13.1 Thermal Characteristics ............................................................................................................... 60
CS42438
DS646F2