CS5321 datasheet(8/38 Pages) CIRRUS

部件名	CS5321

功能描述	24-Bit Variable Bandwidth A/D Converter Chipset

PDF	38 Pages

Scroll/Zoom	100%

制造商	CIRRUS [Cirrus Logic]

网页	http://www.cirrus.com

标志

8 / 38 page

CS5320/21/22

DS454PP1

CS5322 FILTER CHARACTERISTICS (T

A = (See Note 1); VD+ = 5.0V; GND = 0V;

CLKIN = 1.024 MHz; transfer function shown in Figure 3; unless otherwise specified.)

Notes: 22. GSB = -130 dB for all Output Word Rates.

Output Word Rate

f0 (Hz)

Passband f1

(Hz)

Passband Flatness

RPB (dB)

-3dB Freq. f2

(Hz)

Stopband f3 (Hz)

(Note 22)

Group Delay

(ms)

4000

2000

1000

500

250

125

62.5

1500

750

375

187.5

93.8

46.9

23.4

0.2

0.04

0.08

0.1

1652.5

824.3

411.9

205.9

102.9

51.5

25.7

2000

1000

500

250

125

62.5

31.25

7.25

14.5

116

232

464

GSB

-130

-3

Figure 3. CS5322 Filter Response

Figure 4. CS5322 Digital Filter Passband Ripple

f0 = 62.5 Hz

Figure 5. CS5322 Digital Filter Passband Ripple

f0 = 125 Hz

Figure 6. CS5322 Digital Filter Passband Ripple

f0 = 250 Hz

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