CS5560(2008) 查看數據表（PDF） - Cirrus Logic

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CS5560
(Rev.:2008)

±2.5 V / 5 V, 50 kSps, 24-bit, High-throughput ∆Σ ADC

Cirrus Logic 

3/25/08

CS5560

3.9 Digital Filter Characteristics

The digital filter is designed for fast settling, therefore it exhibits very little in-band attenuation. The filter

attenuation is 1.040 dB at 25 kHz when sampling at 50 kSps.

0.0

-0.0414 dB

-0.2

-0.166 dB

fs = 50 kSps

-0.4

-0.3725 dB

-0.6

-0.664 dB

-0.8

-1.0

-1.040 dB

-1.2

0

5k

10k

15k

20k

25k

Frequency (Hz)

Figure 19. CS5560 Digital Filter Response (DC to fs/2)

-0.001646 dB

-0.00663 dB

fs = 50 kSps

-0.0149 dB

-0.0262 dB

-0.0414 dB

Frequency (Hz)

Figure 20. CS5560 Digital Filter Response (DC to 5 kHz)

fs = 50 kSps

Figure 21. CS5560 Digital Filter Response (DC to 4fs)

DS713PP1

23

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