CDB4385 Cirrus Logic Inc, CDB4385 Datasheet - Page 48

• Manufacturer Part Number: CDB4385
• Description: BOARD EVAL FOR CS4385 DAC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4385

• Number Of Dac's: 8
• Number Of Bits: 24
• Outputs And Type: 8, Differential
• 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: CDB4385
• Description/function: Audio D/A
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4385
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1154

48
7. FILTER PLOTS
Figure 30. Single-Speed (fast) Transition Band (detail)
Figure 32. Single-Speed (slow) Stopband Rejection
Figure 28. Single-Speed (fast) Stopband Rejection
−100
−120
−10
−100
−120
−20
−40
−60
−80
−1
−2
−3
−4
−5
−6
−7
−8
−9
−20
−40
−60
−80
0.45
0
0
0.4
0
0.4
0.46
0.5
0.5
0.47
0.48
0.6
0.6
Frequency(normalized to Fs)
Frequency(normalized to Fs)
Frequency(normalized to Fs)
0.49
0.5
0.7
0.7
0.51
0.8
0.8
0.52
0.53
0.9
0.9
0.54
0.55
1
1
−100
−120
−0.005
−0.015
−100
−120
Figure 31. Single-Speed (fast) Passband Ripple
Figure 33. Single-Speed (slow) Transition Band
−20
−40
−60
−80
0.015
0.005
−0.01
−0.02
−20
−40
−60
−80
Figure 29. Single-Speed (fast) Transition Band
0.02
0.01
0
0
0.4
0.4
0
0
0.42
0.42
0.05
0.44
0.44
0.1
0.46
0.46
0.15
Frequency(normalized to Fs)
Frequency(normalized to Fs)
Frequency(normalized to Fs)
0.48
0.48
0.2
0.5
0.5
0.25
0.52
0.52
0.3
0.54
0.54
0.35
0.56
0.56
0.4
0.58
CS4385
0.58
0.45
DS671F2
0.6
0.6
0.5