CDB5376 Cirrus Logic Inc, CDB5376 Datasheet - Page 57

• Manufacturer Part Number: CDB5376
• Description: EVALUATION BOARD FOR CS5376
• Manufacturer: Cirrus Logic Inc

Specifications of CDB5376

• Main Purpose: Seismic Evaluation System
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CS3301A, CS3302A, CS4373A, CS5372A, CS5376A
• Primary Attributes: Quad Digital Filter
• Secondary Attributes: Graphical User Interface, SPI™ & USB Interfaces
• Processor To Be Evaluated: CS330x, CS4373A, CS537x
• Interface Type: USB
• 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: 598-1778

DS612F4
IIR filters
IIR1 Coeff
Selection
IIR1 – Single stage, no decimation
IIR2 – Single stage, no decimation
IIR3 – Two stage, no decimation
0
1
2
3
4
1
Coefficient set 0: high-pass, corner 0.15% f
Coefficient set 1: high-pass, corner 0.30% f
Coefficient set 2: high-pass, corner 0.60% f
Coefficient set 3: high-pass, corner 0.90% f
Coefficient set 4: high-pass, corner 1.20% f
2
Coefficient set 0: high-pass, corner 0.15% f
Coefficient set 1: high-pass, corner 0.30% f
Coefficient set 2: high-pass, corner 0.60% f
Coefficient set 3: high-pass, corner 0.90% f
Coefficient set 4: high-pass, corner 1.20% f
3
(Combined IIR1 and IIR2 filter responses)
Coefficient set 0,0: high-pass, corner 0.20% f
Coefficient set 1,1: high-pass, corner 0.41% f
Coefficient set 2,2: high-pass, corner 0.82% f
Coefficient set 3,3: high-pass, corner 1.22% f
Coefficient set 4,4: high-pass, corner 1.63% f
st
nd
rd
order no decimation, 3 coefficients
order no decimation, 5 coefficients
order no decimation, 8 coefficients
IIR1
Corner
Frequency
0.15% f
0.30% f
0.60% f
0.90% f
1.20% f
s
s
s
s
s
Table 17. IIR Filter Characteristics
IIR2 Coeff
Selection
Figure 29. IIR Filter Stages
0
1
2
3
4
IIR2
Corner
Frequency
0.15% f
0.30% f
0.60% f
0.90% f
1.20% f
s
s
s
s
s
IIR3 Coeff
Selection
s
s
s
s
s
s
s
s
s
s
0,0
1,1
2,2
3,3
4,4
(3 Hz at 2000 SPS)
(3 Hz at 1000 SPS)
(3 Hz at 500 SPS)
(3 Hz at 333 SPS)
(3 Hz at 250 SPS)
(3 Hz at 2000 SPS)
(3 Hz at 1000 SPS)
(3 Hz at 500 SPS)
(3 Hz at 333 SPS)
(3 Hz at 250 SPS)
s
s
s
s
s
(4 Hz at 2000 SPS)
(4 Hz at 1000 SPS)
(4 Hz at 500 SPS)
(4 Hz at 333 SPS)
(4 Hz at 250 SPS)
IIR3
Corner
Frequency
0.2041% f
0.4074% f
0.8152% f
1.2222% f
1.6293% f
CS5376A
s
s
s
s
s
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