Manual
Table Of Contents
- Features & Description
- Table of Contents
- List of Figures
- List of Tables
- 1. Characteristics and Specifications
- Analog Characteristics
- Analog Characteristics (Continued)
- Switching Characteristics
- Switching Characteristics (Continued)
- Switching Characteristics (Continued)
- Switching Characteristics (Continued)
- Digital Characteristics
- Digital Filter Characteristics
- Guaranteed Logic Levels
- Recommended Operating Conditions
- Absolute Maximum Ratings
- 2. Overview
- 3. Theory of Operation
- 3.1 Converter Operation
- 3.2 Clock
- 3.3 Voltage Reference
- 3.4 Analog Input
- 3.5 Output Coding Format
- 3.6 Typical Connection Diagrams
- 3.7 AIN & VREF Sampling Structures
- 3.8 Converter Performance
- 3.9 Digital Filter Characteristics
- 3.10 Serial Port
- 3.11 Power Supplies & Grounding
- 3.12 Using the CS5560 in Multiplexing Applications
- 3.13 Synchronizing Multiple Converters
- 4. Pin Descriptions
- 5. Package Dimensions
- 6. Ordering Information
- 7. Environmental, Manufacturing, & Handling Information
- 8. Revision History
CS5560
DS713PP2 23
5/4/09
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.
Figure 19. CS5560 Digital Filter Response (DC to fs/2)
Figure 20. CS5560 Digital Filter Response (DC to 5 kHz)
Figure 21. CS5560 Digital Filter Response (DC to 4fs)
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0 5k 10k 15k 20k 25k
Frequency (Hz)
Attenuation (dB)
-0.0414 dB
-0.166 dB
-0.3725 dB
-0.664 dB
-1.040 dB
fs = 50 kSps
Frequency (Hz)
-0.001646 dB
-0.00663 dB
-0.0149 dB
-0.0262 dB
-0.0414 dB
fs = 50 kSps
fs = 50 kSps