CS5524-ASZ Cirrus Logic Inc, CS5524-ASZ Datasheet - Page 4

• Manufacturer Part Number: CS5524-ASZ
• Description: IC ADC 24BIT 4CH 20SSOP
• Manufacturer: Cirrus Logic Inc

Specifications of CS5524-ASZ

• Number Of Converters: 1
• Package / Case: 24-SSOP
• Number Of Bits: 24
• Data Interface: Serial
• Power Dissipation (max): 14.8mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Adc Inputs: 4
• Architecture: Delta-Sigma
• Conversion Rate: 617 SPs
• Resolution: 24 bit
• Input Type: Voltage
• Interface Type: Serial (3-Wire)
• Voltage Reference: 2.5 V
• Supply Voltage (max): 5 V
• Supply Voltage (min): 25 mV
• Maximum Power Dissipation: 500 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Input Voltage: 25 mV to 5 V
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1012 - EVAL BOARD FOR CS5524 ADC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1106-5

LIST OF FIGURES
LIST OF TABLES
REVISION HISTORY
4
Revision
F3
F4
Figure 1. Continuous Running SCLK Timing (Not to Scale) ......................................................... 12
Figure 2. SDI Write Timing (Not to Scale) ..................................................................................... 12
Figure 3. SDO Read Timing (Not to Scale) ................................................................................... 12
Figure 4. Multiplexer Configurations.............................................................................................. 13
Figure 5. Input Models for AIN+ and AIN- pins, £(100 mV Input Ranges...................................... 14
Figure 6. Input Models for AIN+ and AIN- pins, >100 mV input ranges ........................................ 14
Figure 7. Input Ranges Greater than 5 V ...................................................................................... 16
Figure 8. Input Model for VREF+ and VREF- Pins........................................................................ 16
Figure 9. CS5523/24 Register Diagram ........................................................................................ 17
Figure 10. Command and Data Word Timing................................................................................ 25
Figure 11. Self Calibration of Offset (Low Ranges)....................................................................... 32
Figure 12. Self Calibration of Offset (High Ranges) ...................................................................... 32
Figure 13. Self Calibration of Gain (All Ranges) ........................................................................... 32
Figure 14. System Calibration of Offset (Low Ranges) ................................................................. 32
Figure 15. System Calibration of Offset (High Ranges) ................................................................ 33
Figure 16. System Calibration of Gain (Low Ranges) ................................................................... 33
Figure 17. System Calibration of Gain (High Ranges) .................................................................. 33
Figure 18. Filter Response (Normalized to Output Word Rate = 1) .............................................. 42
Figure 19. Typical Linearity Error for CS5521/23 .......................................................................... 42
Figure 20. Typical Linearity Error for CS5522/24/28 ..................................................................... 42
Figure 21. CS5522 Configured to use on-chip charge pump to supply NBV ................................ 43
Figure 22. CS5522 Configured for ground-referenced Unipolar Signals....................................... 44
Figure 23. CS5522 Configured for Single Supply Bridge Measurement ....................................... 44
Figure 24. Charge Pump Drive Circuit for VD+ = 3 V.................................................................... 45
Figure 25. Alternate NBV Circuits ................................................................................................. 45
Table 1. Relationship between Full Scale Input, Gain Factors, and Internal Analog
Table 2. Command Register Quick Reference.............................................................................. 19
Table 3. Channel-Setup Registers ................................................................................................ 27
Table 4. Configuration Register..................................................................................................... 30
Table 5. Offset and Gain Registers ............................................................................................... 31
Table 6. Output Coding for 16-bit CS5521/23 and 24-bit CS5522/24/28 ...................................... 40
August 2005
Signal Limitations ............................................................................................................. 15
May 2003
Date
Added lead-free device ordering information. Updated legal notice.
Changes
CS5521/22/23/24/28
DS317F4