CS42438-DMZR Cirrus Logic Inc, CS42438-DMZR Datasheet - Page 51

• Manufacturer Part Number: CS42438-DMZR
• Description: IC,Soundcard Circuits,CMOS,QFP,52PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc
• Type: Audio Codecr

Specifications of CS42438-DMZR

• 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: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 52-MQFP, 52-PQFP
• 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

DS646F2
8.1.1
The passive filter implementation shown in
will not provide optimum source impedance for the ADC modulators. Full analog performance will there-
fore not be realized using a passive filter.
In this topology the distortion performance is affected, but the dynamic range performance is not limited.
Passive Input Filter
100 kΩ
100 kΩ
100 kΩ
Figure 22. Passive Input Filter
150 Ω
150 Ω
150 Ω
10 μF
10 μF
10 μF
Figure 22
Figure 22
4.7 μF
illustrates the unity gain, passive input filter solution.
2700 pF
2700 pF
2700 pF
C0G
C0G
C0G
will attenuate any noise energy at 6.144 MHz but
AIN1+,2+,3+,4+
AIN1-,2-,3-,4-
AIN5A,6A
AIN5B,6B
ADC1-2
ADC3
CS42438
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