CS5524-AS Cirrus Logic Inc, CS5524-AS Datasheet - Page 2

• Manufacturer Part Number: CS5524-AS
• Description: A/D Converter (A-D) IC
• Manufacturer: Cirrus Logic Inc

Specifications of CS5524-AS

• Sample Rate: 606SPS
• Input Channels Per Adc: 4
• Mounting Type: Surface Mount
• No. Of Channels: 4
• Power Rating: 9mW
• Peak Reflow Compatible (260 C): No
• Supply Voltage Max: 5.25V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TABLE OF CONTENTS
2
Contacting Cirrus Logic Support
For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:
http://www.cirrus.com/corporate/contacts/
SPI™ is a trademark of Motorola Inc., Microwire™ is a trademark of National Semiconductor Corp.
Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance
product information describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts
to ensure that the information contained in this document is accurate and reliable. However, the information is subject to change without notice
and is provided “AS IS” without warranty of any kind (express or implied). No responsibility is assumed by Cirrus Logic, Inc. for the use of this
information, nor for infringements of patents or other rights of third parties. This document is the property of Cirrus Logic, Inc. and implies no
license under patents, copyrights, trademarks, or trade secrets. No part of this publication may be copied, reproduced, stored in a retrieval sys-
tem, or transmitted, in any form or by any means (electronic, mechanical, photographic, or otherwise). Furthermore, no part of this publication
may be used as a basis for manufacture or sale of any items without the prior written consent of Cirrus Logic, Inc. The names of products of
Cirrus Logic, Inc. or other vendors and suppliers appearing in this document may be trademarks or service marks of their respective owners
which may be registered in some jurisdictions. A list of Cirrus Logic, Inc. trademarks and service marks can be found at http://www.cirrus.com.
1. CHARACTERISTICS AND SPECIFICATIONS ........................................................................ 5
2. GENERAL DESCRIPTION ..................................................................................................... 13
ANALOG CHARACTERISTICS ................................................................................................ 5
TYPICAL RMS NOISE, CS5521/23.......................................................................................... 7
TYPICAL NOISE FREE RESOLUTION (BITS), CS5521/23 .................................................... 7
TYPICAL RMS NOISE, CS5522/24/28..................................................................................... 8
TYPICAL NOISE FREE RESOLUTION (BITS), CS5522/24/28 ............................................... 8
5 V DIGITAL CHARACTERISTICS........................................................................................... 9
3 V DIGITAL CHARACTERISTICS........................................................................................... 9
DYNAMIC CHARACTERISTICS ............................................................................................ 10
RECOMMENDED OPERATING CONDITIONS ..................................................................... 10
ABSOLUTE MAXIMUM RATINGS ......................................................................................... 10
SWITCHING CHARACTERISTICS ........................................................................................ 11
2.1 Analog Input ..................................................................................................................... 13
2.2 Overview of ADC Register Structure and Operating Modes ............................................ 16
2.1.1 Instrumentation Amplifier ......................................................................................... 14
2.1.2 Coarse/Fine Charge Buffers ............................................................................... 14
2.1.3 Analog Input Span Considerations .......................................................................... 15
2.1.4 Measuring Voltages Higher than 5 V .................................................................. 15
2.1.5 Voltage Reference .............................................................................................. 16
2.2.1 System Initialization ............................................................................................ 18
2.2.2 Serial Port Initialization Sequence ...................................................................... 18
2.2.3 Command Register Quick Reference
2.2.4 Command Register Descriptions ........................................................................ 20
2.2.5 Serial Port Interface ............................................................................................ 25
2.2.6 Reading/Writing the Offset, Gain, and Configuration Registers .......................... 26
2.2.7 Reading/Writing the Channel-Setup Registers ................................................... 26
2.2.8 Configuration Register ........................................................................................ 28
2.2.7.1 Latch Outputs ...................................................................................... 28
2.2.7.2 Channel Select Bits ............................................................................. 28
2.2.7.3 Output Word Rate Selection ............................................................... 28
2.2.7.4 Gain Bits .............................................................................................. 28
2.2.7.5 Unipolar/Bipolar Bit ............................................................................. 28
2.2.8.1 Chop Frequency Select ....................................................................... 28
2.2.8.2 Conversion/Calibration Control Bits .................................................... 28
2.2.8.3 Power Consumption Control Bits ........................................................ 28
............................................................... 19
CS5521/22/23/24/28
DS317F2