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CS5530
Cirrus Logic CS5530 Manuals
Manuals and User Guides for Cirrus Logic CS5530. We have
1
Cirrus Logic CS5530 manual available for free PDF download: Manual
Cirrus Logic CS5530 Manual (37 pages)
24-bit ADC with Ultra-low-noise Amplifier
Brand:
Cirrus Logic
| Category:
Media Converter
| Size: 0 MB
Table of Contents
Table of Contents
2
1 Characteristics and Specifications
4
Analog Characteristics
4
Typical Noise-Free Resolution (Bits)
6
Digital Characteristics
7
Dynamic Characteristics
8
Absolute Maximum Ratings
8
Switching Characteristics
9
Figure 1. SDI Write Timing (Not to Scale)
10
Figure 2. SDO Read Timing (Not to Scale)
10
2 General Description
11
Analog Input
11
Figure 3. Front End Configuration
11
Figure 4. Input Model for AIN+ and AIN- Pins
11
Analog Input Span
12
No Offset DAC
12
Voltage Noise Density Performance
12
Overview of ADC Register Structure and Operating Modes
12
System Initialization
12
Figure 5. Measured Voltage Noise Density
12
Figure 6. CS5530 Register Diagram
13
Command Register Descriptions
14
Serial Port Interface
16
Figure 7. Command and Data Word Timing
16
Reading/Writing On-Chip Registers
17
Configuration Register
17
Power Consumption
17
System Reset Sequence
17
Input Short
17
Voltage Reference Select
17
Output Latch Pins
18
Filter Rate Select
18
Word Rate Select
18
Unipolar/Bipolar Select
18
Open Circuit Detect
18
Figure 8. Input Reference Model When VRS = 1
18
Figure 9. Input Reference Model When VRS = 0
18
Configuration Register Description
19
Calibration
21
Calibration Registers
21
Gain Register
21
Offset Register
21
Performing Calibrations
22
System Calibration
22
Calibration Tips
22
Figure 10. System Calibration of Offset
22
Figure 11. System Calibration of Gain
22
Limitations in Calibration Range
23
Performing Conversions
23
Single Conversion Mode
23
Continuous Conversion Mode
24
Table 1. Conversion Timing for Single Mode
24
Table 2. Conversion Timing for Continuous Mode
24
Using Multiple Adcs Synchronously
25
Conversion Output Coding
25
Figure 12. Synchronizing Multiple Adcs
25
Table 3. Output Coding
25
Conversion Data Output Descriptions
26
Digital Filter
27
Figure 13. Digital Filter Response (Word Rate = 60 Sps)
27
Figure 14. 120 Sps Filter Magnitude Plot to 120 Hz
27
Figure 15. 120 Sps Filter Phase Plot to 120 Hz
27
Figure 16. Z-Transforms of Digital Filters
27
Clock Generator
28
Power Supply Arrangements
28
Figure 17. On-Chip Oscillator Model
28
Figure 18. CS5530 Configured with a Single +5 V Supply
29
Figure 19. CS5530 Configured with ±2.5 V Analog Supplies
29
Figure 20. CS5530 Configured with ±3 V Analog Supplies
30
Getting Started
31
PCB Layout
31
3 Pin Descriptions
32
Clock Generator
32
Control Pins and Serial Data I/O
32
Measurement and Reference Inputs
33
Power Supply Connections
33
4 Specification Definitions
33
5 Package Drawings
34
6 Ordering Information
35
7 Environmental, Manufacturing, & Handling Information
35
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