AD9675KBCZ datasheet(27/61 Pages) AD

27 / 61 page

AD9675

Data Sheet

Rev. A | Page 26 of 60

Table 12. SPI-Selectable Low-Pass Filter Cutoff Options for High Bandwidth Mode at Example Sampling Frequencies

Address

0x00F[7:3]

LPF Cutoff

Frequency (MHz)

Sampling Frequency (MHz)

20.5

125

0 0000

1.45 × (1/3) × fSAMPLE

Out of tunable

filter range

19.33

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

0 0001

1.25 × (1/3) × fSAMPLE

Out of tunable

filter range

16.67

27.08

Out of tunable

filter range

Out of tunable

filter range

0 0010

1.13 × (1/3) × fSAMPLE

Out of tunable

filter range

15.00

24.38

30.00

Out of tunable

filter range

0 0011

1.0 × (1/3) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

21.67

26.67

Out of tunable

filter range

0 0100

0.9 × (1/3) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

19.50

24.00

Out of tunable

filter range

0 0101

0.8 × (1/3) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

17.33

21.33

Out of tunable

filter range

0 0110

0.75 × (1/3) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

16.25

20.00

Out of tunable

filter range

0 1000

1.45 × (1/4.5) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

20.94

25.78

Out of tunable

filter range

0 1001

1.25 × (1/4.5) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

18.06

22.22

Out of tunable

filter range

0 1010

1.13 × (1/4.5) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

16.25

20.00

Out of tunable

filter range

0 1011

1.0 × (1/4.5) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

14.44

17.78

27.78

0 1100

0.9 × (1/4.5) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

16.00

25.00

0 1101

0.8 × (1/4.5) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

14.22

22.22

0 1110

0.75 × (1/4.5) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

20.83

1 0000

1.45 × (1/6) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

15.71

19.33

Out of tunable

filter range

1 0001

1.25 × (1/6) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

13.54

16.67

26.04

1 0010

1.13 × (1/6) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

15.00

23.44

1 0011

1.0 × (1/6) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

20.83

1 0100

0.9 × (1/6) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

18.75

1 0101

0.8 × (1/6) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

16.67

1 0110

0.75 × (1/6) × fSAMPLE

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

Out of tunable

filter range

15.63

Table 13. High-Pass Filter Cutoff Options

Address 0x02B[1:0] High-Pass

Filter Cutoff

High-Pass Cutoff Frequency

Ratio1

Low-Pass Cutoff = 8 MHz

Low-Pass Cutoff = 18 MHz

00 (default)

12.00

670 kHz

1.5 MHz

9.00

890 kHz

2.0 MHz

6.00

1.33 MHz

3.0 MHz

3.00

2.67 MHz

6.0 MHz

1 Ratio is the low-pass filter cutoff frequency/high-pass filter cutoff frequency.

AD9675KBCZ Datasheet(PDF) 27 Page - Analog Devices

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