CS42435-CMZR Cirrus Logic Inc, CS42435-CMZR Datasheet - Page 48

• Manufacturer Part Number: CS42435-CMZR
• Description: IC,Soundcard Circuits,CMOS,QFP,52PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc
• Type: Audio Codecr

Specifications of CS42435-CMZR

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 4 / 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 ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 52-MQFP, 52-PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

48
8. EXTERNAL FILTERS
8.1
ADC Input Filter
The analog modulator samples the input at 6.144 MHz (internal MCLK=12.288 MHz). The digital filter will
reject signals within the stopband of the filter. However, there is no rejection for input signals which are mul-
tiples of the digital passband frequency (n
a recommended analog input filter that will attenuate any noise energy at 6.144 MHz, in addition to providing
the optimum source impedance for the modulators. Refer to
count passive input filters. The use of capacitors that have a large voltage coefficient (such as general-pur-
pose ceramics) must be avoided since these can degrade signal linearity
100 k
100 k
100 k
100 k
4.7 F
VA
4.7 F
100 k
100 k
0.1 F
Figure 19. Single-to-Differential Active Input Filter
10 k
VA
Figure 20. Single-Ended Active Input Filter
-
+
470 pF
100 F
C0G
+
-
470 pF
332 
C0G
634 
634 
91 

634 
91 
6.144 MHz), where n=0,1,2,... Refer to
-
+
470 pF
C0G
4.7 F
2700 pF
C0G
Figures 21
634 
91 
AIN1+,2+,3+,4+
AIN1-,2-,3-,4-
and
2700 pF
ADC1-2
C0G
22
for low-cost, low-component-
Figures 19
AINx+
AINx-
ADC1-2
CS42435
and
DS685F3
20
for