CS5530-ISZ Cirrus Logic Inc, CS5530-ISZ Datasheet - Page 2

• Manufacturer Part Number: CS5530-ISZ
• Description: IC ADC 24BIT 1CH W/LNA 20SSOP
• Manufacturer: Cirrus Logic Inc

Specifications of CS5530-ISZ

• Number Of Converters: 1
• Package / Case: 20-SSOP
• Number Of Bits: 24
• Sampling Rate (per Second): 3.84k
• Data Interface: Serial
• Power Dissipation (max): 45mW
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Adc Inputs: 1
• Architecture: Delta-Sigma
• Conversion Rate: 6.25 SPs to 3840 SPs
• Resolution: 24 bit
• Input Type: Voltage
• Interface Type: Serial (3-Wire)
• Voltage Reference: 2.5 V
• Maximum Power Dissipation: 500 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1158 - BOARD EVAL FOR CS5530
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1283-5

2
1.
2.
3.
4.
5.
6.
7.
CHARACTERISTICS AND SPECIFICATIONS ................................................................. 4
GENERAL DESCRIPTION .............................................................................................. 11
2.1.
2.2.
2.3.
2.4.
2.5.
2.6.
2.7.
2.8.
2.9.
2.10. Power Supply Arrangements ................................................................................. 28
2.11. Getting Started ....................................................................................................... 31
2.12. PCB Layout ............................................................................................................ 31
PIN DESCRIPTIONS ...................................................................................................... 32
SPECIFICATION DEFINITIONS ..................................................................................... 33
PACKAGE DRAWINGS .................................................................................................. 34
ORDERING INFORMATION .......................................................................................... 35
ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION .................... 35
ANALOG CHARACTERISTICS................................................................................ 4
TYPICAL NOISE-FREE RESOLUTION (BITS) ........................................................ 6
5 V DIGITAL CHARACTERISTICS .......................................................................... 7
3 V DIGITAL CHARACTERISTICS .......................................................................... 7
DYNAMIC CHARACTERISTICS .............................................................................. 8
ABSOLUTE MAXIMUM RATINGS ........................................................................... 8
SWITCHING CHARACTERISTICS .......................................................................... 9
Analog Input ........................................................................................................... 11
2.1.1. Analog Input Span .......................................................................................... 12
2.1.2. Voltage Noise Density Performance ........................................................... 12
2.1.3. No Offset DAC ............................................................................................ 12
Overview of ADC Register Structure and Operating Modes .................................. 12
2.2.1. System Initialization .................................................................................... 12
2.2.2. Command Register Descriptions ................................................................ 14
2.2.3. Serial Port Interface .................................................................................... 16
2.2.4. Reading/Writing On-Chip Registers ............................................................ 17
Configuration Register ........................................................................................... 17
2.3.1. Power Consumption ................................................................................... 17
2.3.2. System Reset Sequence ............................................................................ 17
2.3.3. Input Short .................................................................................................. 17
2.3.4. Voltage Reference Select .......................................................................... 17
2.3.5. Output Latch Pins ....................................................................................... 18
2.3.6. Filter Rate Select ........................................................................................ 18
2.3.7. Word Rate Select ........................................................................................ 18
2.3.8. Unipolar/Bipolar Select ............................................................................... 18
2.3.9. Open Circuit Detect .................................................................................... 18
2.3.10. Configuration Register Description ........................................................... 19
Calibration .............................................................................................................. 21
2.4.1. Calibration Registers .................................................................................. 21
2.4.2. Gain Register ............................................................................................. 21
2.4.3. Offset Register ........................................................................................... 21
2.4.4. Performing Calibrations .............................................................................. 22
2.4.5. System Calibration ...................................................................................... 22
2.4.6. Calibration Tips ........................................................................................... 22
2.4.7. Limitations in Calibration Range ................................................................. 23
Performing Conversions ........................................................................................ 23
2.5.1. Single Conversion Mode ............................................................................. 23
2.5.2. Continuous Conversion Mode .................................................................... 24
Using Multiple ADCs Synchronously ..................................................................... 25
Conversion Output Coding .................................................................................... 25
2.7.1. Conversion Data Output Descriptions ........................................................ 26
Digital Filter ............................................................................................................ 27
Clock Generator ..................................................................................................... 28
Clock Generator ......................................................................................................32
Control Pins and Serial Data I/O .............................................................................32
Measurement and Reference Inputs ......................................................................33
Power Supply Connections .....................................................................................33
TABLE OF CONTENTS
CS5530
DS742F3