ADLINK PCI-9524 User Manual

PCI-9524

24-Bit Precision Load Cell Input Card

User’s Manual

Manual Revision: 2.02
Revision Date: August 26, 2008
Part No: 50-11236-1010

Advance Technologies; Automate the World.

PCI-9524 ADLINK Technology, Inc.
User’s Manual Copyright 2008

Revision History

Revision Release Date Description of Change(s)

2.00 2008/04/09

2.01 2008/05/30 Minor revision

2.02 2008/08/26 Correct typo

Document Created
Initial Release

ii

ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual

Preface

Copyright 2008 ADLINK TECHNOLOGY INC.

This document contains proprietary infor mation protected by copy­right. All rights are reserved. No part of this manual may be repro­duced by any mechanical, electronic, or other means in any form
without prior written permission of the manufacturer.

Disclaimer

The information in this document is subject to change without prior
notice in order to improve reliability, design, and function and does
not represent a commitment on the part of the manufa cturer.

In no event will the manufacturer be liable for direct, indirect,
special, incidental, or consequential damages arising out of the
use or inability to use the product or documentation, even if
advised of the possibility of such damages.

Environmental Responsibility

ADLINK is committed to fulfill its social responsibility to global
environmental preservation through compliance with the Euro­pean Union's Restriction of Hazardous Substances (RoHS) direc­tive and Waste Electrical and Electronic Equipment (WEEE)
directive. Environmental protection is a top priority for ADLINK.
We have enforced measures to ensure that our products, manu­facturing processes, components, and raw materials have as little
impact on the environment as possible. When products are at their
end of life, our customers are encouraged to dispose of them in
accordance with the product disposal and/or recovery programs
prescribed by their nation or company.

Trademarks

PC, PS/2, and VGA are registered trademarks of International
Business Machines Corp. Borland
and Delphi
Corporation. LabVIEW™ is a trademark of National Instruments
Corporation. Microsoft

Preface iii

®

are registered trademarks of the Borland Software

®

, Visual Basic®, Visual C++®, Windows

®

, Borland® C, C++ Builder®,

®

PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008

98, Windows® NT, Windows® 2000, Windows® XP, and Windows

®

Vista® are registered trademarks of Microsoft® Corporation.
PCI™, is a registered trademark of the Peripheral Component
Interconnect Special Interest Group (PCI-SIG).

Product names mentioned herein are used for identification pur­poses only and may be trademarks and/or registered trademarks
of their respective companies.

iv Preface

ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual

Using this Manual

Audience and Scope

The PCI-9524 User’s Manual is intended for hardware technicians

and systems operators with knowledge of installing, configuring
and operating industrial grade PCI cards.

Manual Organization

This manual is organized as follows:

Preface: Presents important copyright notifications,
disclaimers, trademarks, and associated information on the
proper understanding and usage of this document and its
associated product(s).

Chapter 1, Introduction: Introduces the PCI-9524, its
features, applications, specifications and operating software
environment.

Chapter 2, Installation: Describes how to install the PCI-9524
into your chassis and basic PCI configuration settings.

Chapter 3, Signal Connections: Describes signal
connections between PCI-9524 and external devices.

Chapter 4, Operation Theory: Describes A/D and D/A
conversions, pulse-commands, encoder inputs and isolated
digital I/O signals to assist users in understanding how to
configure and program the cPCI-9524 .

Chapter 5, Calibration: Presents the calibration process to
minimize measurement and output errors.

Important Safety Instructions: Presents safety instructions
all users must follow for the proper setup, installation and
usage of equipment and/or software.

Warranty Information: Presents important warranty
information for users/manufacturers rights and responsibilities
regarding ADLINK products and services.

Preface v

PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008

Conventions

Take note of the following conventions used throughout this
manual to make sure that users perform certain tasks and
instructions properly.

Additional information, aids, and tips that help users per­form tasks.

NOTE:

NOTE:

Information to prevent minor physical injury, component
damage, data loss, and/or program corruption when try-

CAUTION:

WARNING:

ing to complete a task.

Information to prevent serious physical injury, compo­nent damage, data loss, and/or program corruption
when trying to complete a specific task.

vi Preface

ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual

Getting Service

Contact us should you require any service or assistance.

ADLINK TECHNOLOGY INC. (HEADQUARTERS)

Web Site: http://www.adlinktech.com
Sales & Service: [e-mail]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: 9F No. 166 Jian Yi Road, Chungho City,

Taipei 235, Taiwan

ADLINK TECHNOLOGY AMERICA INC.

Sales & Service: [e-mail]
Toll-Free: +1-866-4 ADLINK
Fax No.: [phone]
Mailing Address: 8900 Research Drive, Irvine,

CA 92618, USA

ADLINK TECHNOLOGY CO. LTD. (BEIJING)

Sales & Service: [e-mail]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: Rm. 801, Power Creative E, No. 1, B/D

Shang Di East Rd.
Beijing, 100085 China

ADLINK TECHNOLOGY CO. LTD. (SHANGHAI)

Sales & Service: [e-mail]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: 4F, Bldg. 39, No.333 Qinjiang Road,

Cao He Jing High-Tech Park
Shanghai, 200233 China

ADLINK TECHNOLOGY CO. LTD. (SHENZHEN)

Sales & Service: [e-mail]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: 2F, C Block, Bld. A1,

Cyber-Tech Zone, Gao Xin Ave. Sec. 7,
High-Tech Industrial Park S.,
Shenzhen, 518054 China

Preface vii

PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008

ADLINK TECHNOLOGY INC. (EUROPEAN Liaison Office)

Sales & Service: [e-mail]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: Nord Carree 3, 40477

Düsseldorf, Germany

ADLINK TECHNOLOGY JAPAN CORP.

Sales & Service [e-mail]
Telephone No. [phone]
Fax No. [phone]
Mailing Address Asahiseimei Hatagaya Bld. 8Fl. 1-1-2

Hatagaya Shibuya-ku, Tokyo, Japan

ADLINK TECHNOLOGY INC. (SOUTH KOREA Liaison Office)

Sales & Service: [e-mail]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: #402, Dongsung B/D, 60-12,

Nonhyeon-dong Gangnam-gu,
Seoul, 135-010, South Korea

ADLINK TECHNOLOGY SINGAPORE PTE. LTD.

Sales & Service: [e-mail]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: 84 Genting Lane #07-02A,

Cityneon Design Center,
Singapore 349584

ADLINK TECHNOLOGY SINGAPORE PTE. LTD. (INDIA Liaison Office)

Sales & Service: [e-mail]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: No. 1357, Ground Floor, "Anupama",

Aurobindo Marg JP Nagar (Ph-1)
Bangalor, Karnataka 560078, India

viii Preface

ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual

Table of Contents

PCI-9524.....................................................................................i

Revision History...................................................................... ii

Preface.................................................................................... iii

Table of Contents................................................................... ix

List of Figures...................................................................... xiii

List of Tables......................................................................... xv

1 Introduction ........................................................................ 1

1.1 Features............................................................................... 2

1.2 Applications ......................................................................... 2

1.3 Specifications....................................................................... 3

1.4 Software Support............................................................... 19

2 Getting Started ................................................................. 21

2.1 Installation Environment .................................................... 21

2.2 Package Contents ............................................................. 22

2.3 PCI-9524 Layout................................................................ 23

2.4 Installing the Card.............................................................. 24

2.5 PCI Configuration .............................................................. 25

3 Signal Connections.......................................................... 27

3.1 Connectors & Pin Assignments ......................................... 27

3.2 Analog Input Signal Connections....................................... 33

3.2.1 Signal Sources ......................................................... 33

3.2.2 Input Configurations ........................ ... ... .... ... ... ... .... .. 33

3.3.1 Signal Sources and Terminal Devices............. ... .... .. 38

3.3.2 Connecting to/from External Encoders..................... 40

Table of Contents ix

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3.3.5 Interfacing Isolated DI with External Devices ...........45

4 Operation Theory.............................................................. 47

4.1 PCI-9524 Function Diagram .............................................. 47

4.2 Analog Input Channels....................................................... 48

4.2.1 Signal Acquisition and Processing Flow............ ... ... .48

4.2.2 How to Define a 1 in 200,000 Count Resolution.......49

4.2.3 Data Rate versus Sampling Rate ............................ .51

4.2.4 Auto-scan, Multiplexing and Settling Time................51

4.2.5 Power Line Noise Rejection......................................53

4.2.6 Excitation and Remote-sensing................................54

4.2.7 Thermal EMF, 1/f Noise and Auto-zero....................55

4.2.8 Warm-up Requirement ................................... ... ... ... .58

4.2.9 Post-processing IIR Digital Filter ..............................58

4.2.10 RAW Data Format ......... .... ... ... ... .... ... ... ... ... .... ... ... ... .61

4.2.11 AD Data Format........................................................62

4.2.12 Data Transfer Modes.................................. .... ... .......64

4.2.13 Trigger Modes...........................................................66

4.3 D/A Conversion.................................................................. 67

4.4 Isolated Encoder Input Channels....................................... 67

4.5 Isolated Pulse-Command Generator ................................. 69

4.6 Isolated Digital I/O.............................................................. 69

4.6.1 Isolated Digital Inputs ...............................................70

4.6.2 Isolated Digital Outputs.............................................70

4.7 Trigger Sources ................................................................. 70

4.7.1 Software-Trigger.......................................................70

4.7.2 External Digital Trigger.............................................70

4.7.3 Pulse Comparator Trigger .............................. ... ... ... .71

4.7.4 Position Comparator Trigger.....................................72

5 Calibration......................................................................... 73

5.1 Loading Calibration Constants........................................... 73

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5.2 Auto-calibration.................................................................. 74

5.3 Saving Calibration Constants ............................................ 74

Important Safety Instructions.............................................. 75

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List of Figures

Figure 1-1: PCI-9524 Product Image .................................................1

Figure 1-2: Effective-number-of-bits vs. Gain .................................... 9

Figure 1-3: RMS Noise in µV vs. Gain............................................... 9

Figure 1-4: Spectral Response ±10 V range,

0.996094 Hz sine wave, -1 dB FS.................................10

Figure 1-5: Spectral Response ±5 V range,

0.996094 Hz sine wave, -1 dB FS.................................10

Figure 1-6: Spectral Response ±2.5 V range,

0.996094 Hz sine wave, -1 dB FS.................................11

Figure 1-7: Spectral Response ±1.25 V range,

0.996094 Hz sine wave, -1 dB FS.................................11

Figure 1-8: Frequency Response Sampling at 30,000 SPS ............ 12

Figure 1-9: Frequency Response Sampling at 15,000 SPS ............ 12

Figure 1-10: Frequency Response Sampling below 15,000 SPS...... 13

Figure 2-1: PCI-9524 PCB Layout and Mechanical Drawing........... 23

Figure 3-1: CN1 Connector & Pin Assignments...............................28

Figure 3-4: Connecting to a four-terminal load-cell transducer

using a four-wire connection.......................................... 34

Figure 3-5: Connecting to a six-terminal load-cell transducer

using a six-wire connection............................................35

Figure 3-6: Connecting to a four-terminal load-cell transducer

using a six-wire connection............................................36

Figure 3-7: Ground-referenced source and differential input...........36

Figure 3-8: Floating source and differential input.............................37

Figure 3-9: Connecting to an external encoder

with NPN sink drivers.....................................................40

Figure 3-10: Connecting to an external encoder

with PNP source drivers ................................................40

Figure 3-11: Connecting to an external encoder

with push-pull source drivers.........................................41

Figure 3-12: Connecting to an external encoder

with differential line-drivers............................................41

Figure 3-13: Connecting to an external servo-amplifier

with opto-coupler inputs.................................................42

Figure 3-14: Connecting to an external servo-amplifier

with differential line-receivers ........................................42

Figure 3-15: Connecting to an external resistive load

from the isolated DO sink driver ....................................43

List of Figures xiii

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Figure 3-16: Connecting to an external inductive load

from an isolated DO sink driver .....................................44

Figure 3-17: Connecting to a low-side push button............................45

Figure 3-18: Connecting to an external sink driver ............................46

Figure 4-1: PCI-9524 Function Diagram ..........................................47

Figure 4-2: Signal acquisition and data processing flow

for transducer input channels ........................................48

Figure 4-3: SINC Filter Power Line Noise Rejection

at 60 Hz Multiples ..........................................................54

Figure 4-4: The Effect of Auto-zero on Thermal Noise and

1/f Noise, ADC running at 60 SPS.................................57

Figure 4-5: Digital Filter Tap Length Effects

on Signal Frequency Responses...................................59

Figure 4-6: Linked List of PCI address DMA descriptors .................65

Figure 4-7: Post trigger ....................................................................66

Figure 4-8: X4 Encoder mode..........................................................68

Figure 4-9: External digital trigger....................................................71

xiv List of Figures

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Copyright 2008 User’s Manual

List of Tables

Table 1-1: -3dB small signal bandwidth: (Typical, 25°C)..................4

Table 1-2: System Noise (including Quantization, Typical, 25°C) ....4

Table 1-3: Transducer Input Impedance...........................................5

Table 1-4: Transducer CMRR (DC to 60 Hz, Typical 25°C) ............. 5

Table 1-5: Settling Error: (Typical, 25°C).......................................... 6

Table 1-6: Programmable input range and gain ...............................7

Table 1-7: -3dB small signal bandwidth vs. input range ................... 7

Table 1-8: -3dB small signal bandwidth vs. sampling rates,

in ±10V range ................................. ... ... ... ... .... ... ... ...........8

Table 1-9: General Purpose Input Impedance................................ 13

Table 1-10: General Purpose CMRR (DC to 60 Hz, Typical, 25°C).13

Table 1-11: Settling Error: (Typical, 25ºC)........................................ 14

Table 3-1: I/O Signal Descriptions.................................................. 31

Table 4-1: Data Rates vs. Multiplexing, Auto-zero &

ADC Sampling Rates, in Samples-per-second (SPS)...53

Table 4-2: Temperature Coefficient of different metal junctions..... 56

Table 4-3: Default Threshold Values (ADC counts) vs. ADC

Sampling Rates .............................................................61

Table 4-4: RAW Data Format ................................... ... .... ... ... ... .... .. 61

Table 4-5: Bipolar analog input ranges and

output digital codes for transducer input channels ........ 63

Table 4-6: Bipolar analog input ranges and

AD codes for general purpose input channels............. .. 63

Table 4-7: Bipolar output code table...............................................67

List of Tables xv

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xvi List of Tables

ADLINK Technology Inc. PCI-9524
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1 Introduction

The ADLINK PCI-9524 is a 24-bit high-resolution multifunction
DAQ card capable of up to 30 kS/s sam pling rate, providing 4- CH
load-cell transducer input channels, and 4-CH general purpose
analog input. In addition, the PCI-9524 comes with a 2-CH 16-bit
analog output, isolated motion I/O and digital I/O. The highly inte­grated function makes the PCI-9524 the ideal solution for com­bined data acquisition and motion control functionalities. Ideal for
manufacturing, laboratory research, and factory automation, the
PCI-9524 comes with all the features and performance you need
at an affordable price.

Figure 1-1: PCI-9524 Product Image

Introduction 1

PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008

1.1 Features

PCI-9524 24-bit multifunction DAQ card provides the following
advanced features:

X Supports 32-bit 3.3 V or 5V PCI bus
X Load-cell transducer input channels

Z 4-CH differential analog input with remote-sense
Z 4-CH transducer excitation, 10 V or 2.5 V selectable
Z Auto-zero capability
Z Up to 30 kS/s sampling rate without auto-zero
Z IIR digital filter for post-processing

X General purpose analog input channels

Z 4-CH differential analog input
Z Programmable gains: x1, x2, x4, x8

Z Up to 30 kS/s sampling rate
X 2-CH 16-bit analog output
X 3-CH opto-isolated pulse-command output, supporting AB

phase, CW/CCW, CLK/DIR modes

X 3-CH opto-isolated encoder input, supports AB phase

inputs in quadrature mode

X 8-CH opto-isolated digital inputs
X 8-CH opto-isolated digital output s with N-MOS sink drivers
X Auto-calibration

1.2 Applications

X Materials Testing Systems
X Precision Weighting Systems
X Automotive Testing
X Process Control
X Laboratory Automation
X Biotech Measurements

2 Introduction

ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual

1.3 Specifications

Analog Input (AI) for Transducers

X Number of channels: (programmable)

Z 4 differential inputs (DI)

X A/D converter:

Z ADS1255

X Maximum sampling rate:

Without Auto-zero

Z 30,000 samples/s (single channel)
Z 1,638 samples/s (multiplexed/sc an nin g)

With Auto-zero

Z 819 samples/s (single channel or multiplexed/scanning)

X Resolution:

Z 24-bit
X Input coupling: DC
X Input range and gain:

Z ±200 mV relative to a common-mode input voltage

Z A fixed gain of 25x
X Operational common-mode input range:

Z -2 V to +6 V
X Transducer Excitation Voltage Sources:

Z 4-CH differential output

Z 10 V or 2.5 V selectable (all 4-CH share same settings)

Z Driving up to four 120-ohm load-cells

Z Short-circuit protection
X Remote-sense input:

Z 4-CH differential input

Z 0 V to 10 V operating input range
X Overvoltage protection:

Transducer inputs

Z Power on: +28.7 V to -35.7 V (continuous)

Z Power off: ±15 V (continuous)

Introduction 3

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Remote-sense inputs:

Z Power on: -40 V to +55 V (continuous)
Z Power off: -40 V to +55 V (continuous)

X FIFO buffer size: 1024 samples (1024 x 32 bit s)
X Data transfers:

Z Programmed I/O
Z Bus-mastering DMA with scatter/gather

Table 1-1: -3dB small signal bandwidth: (Typical, 25°C)

Input Range Bandwidth (-3dB)

±200 mV 2,730 Hz

Table 1-2: System Noise (including Quantization, Typical, 25°C)

RMS

Res. in

Bits

(ENOB)

Peak

Res. in

Bits

RMS Res

in µV

Peak

Res. in

µV

Input

Range

Data

Rate in

SPS

System

Noise in

LSB

rms

1.25 0.5 23.0 21.0 0.013 0.053

2.5 0.6 22.8 20.4 0.014 -0.079

5.0 0.6 22.7 20.4 0.016 0.079

7.5 0.7 22.6 20.0 0.017 0.079

±200 mV

12 0.9 22.2 19.7 0.023 0.159
15 0.8 22.3 19.7 0.020 0.132
24 1.2 21.8 19.2 0.031 0.212
29 1.1 21.9 19.0 0.030 0.185
47 1.9 21.1 18.6 0.037 0.291

194 2.9 20.5 17.7 0.078 0.583

4 Introduction

ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual

RMS

Res. in

Bits

(ENOB)

Peak

Res. in

Bits

RMS Res

in µV

Peak

Res. in

Input

Range

±200 mV

Data

Rate in

SPS

316 3.7 20.1 17.1 0.101 0.742
463 5.5 19.6 16.4 0.146 1.113
595 6.9 19.2 16.4 0.185 1.351
704 8.9 18.9 15.9 0.243 1.748
768 10.9 18.6 15.5 0.306 2.305
819 12.6 18.4 15.4 0.328 2.331

System

Noise in

LSB

rms

Test conditions: Rice Lake Load-cell Simulator IV set at 0mV/V
output, 10V excitation and six-wire remote-sense connection,
auto-zero enabled. The RMS resolution and peak resolution are
calculated relative to full-scale input range of ±200mV.

Table 1-3: Transducer Input Impedance

Normal Power On Power Off Overload

1 GΩ || 3 pF 1 K Ω 1 KΩ

µV

T able 1-4: Transducer CMRR (DC to 60 Hz, Typical 25°C)

Input Range CMRR

±200 mV

Introduction 5

90 dB (Auto-zero Disabled)

102 dB (Auto-zero Enabled)

PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008

Table 1-5: Settling Error: (Typical, 25°C)

Input Range Condition Settling Error

±200 mV Scanning 200 mV step max 0.01%

X Time-base source: Internal 40 MHz
X Trigger mode: post-trigger
X Offset error:

Z Before calibration: ±0.5 mV typical
Z After calibration: ±0.001 mV typical (auto-zero disabled),

< ±0.001 mV typical (auto-zero enabled)

X Transfer Linearity:

Z Better than: ±0.0035% over full-scale input range

X Gain error:

Z Before calibration: ±1% typical
Z After calibration: ±0.5% typi cal

Analog Input (AI) for General Purpose

X Number of channels: (programmable)

Z 4 differential input (DI)

X A/D converter:

Z ADS1255

X Maximum sampling rate:

Z 30,000 samples/s (single channel)
Z 1.638 samples/s (multiplexed/scanning)

X Resolution:

Z 24-bit

X Input coupling: DC

6 Introduction

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Copyright 2008 User’s Manual

Table 1-6: Programmable input range and gain

Bipolar Input Range Gain

±10 V 1

±5 V 2

±2.5 V 4

±1.25 V 8

X Operational common-mode input range: ±13V
X Overvoltage protection:

Z Power on: ±30 V (continuous)

Z Power off: ±15 V (continuous)
X FIFO buffer size: 1024 samples (1024 x 32 bits)
X Data transfers:

Z Programmed I/O

Z Bus-mastering DMA with scatter/gather
X -3dB small signal bandwidth (Typical, 25ºC)

Table 1-7: -3dB small signal bandwidth vs. input range

Input Range Bandwidth (-3dB)

±10 V 5,800 Hz

±5 V 5,900 Hz

±2.5 V 5,900 Hz

±1.25 V 5,900 Hz

Introduction 7

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Table 1-8: -3dB small signal bandwid th vs. sampling rates,

in ±10V range

Sampling Rate

In Samples-per-second

(SPS)

2.5 1.1 Hz
5 2.2 Hz

10 4.4 Hz
15 6.6 Hz
25 11 Hz
30 13 Hz
50 22 Hz

60 26 Hz
100 44 Hz
500 220 Hz

1,000 440 Hz
2,000 880 Hz
3,750 1,600 Hz

7,500 3,000 Hz
15,000 4,800 Hz
30,000 5,800 Hz

Bandwidth (-3 dB)

8 Introduction

ADLINK Technology Inc. PCI-9524

]

Copyright 2008 User’s Manual

System Noise (LSBrms, including Quantization, Typical, 25ºC)

Figure 1-2: Effective-number-of-bits vs. Gain

25
24
23
22
21
20
19

ENOB [bits

18
17
16
15
14

2 5 10 15 25 30 50 60 100 500 1000 2000 3750 7500 15000 30000

Figure 1-3: RMS Noise in µV vs. Gain

1000

ENOB vs PGA Gain

[Input = AGND]

Sampling Rate [Sam ples pe r Se cond]

Gain = 1 Gain = 2 Gain = 4 Gain = 8

RMS Nois e vs PGA Gain

[I n p u t = AGND]

100

10

Noise [uV]

1

0.1
2 5 10 15 25 30 50 60 100 50 0 1000 2000 3750 7500 15000 30000

Sampling Rate [Sampl es per Second]

Gain = 1 Gain = 2 Gain = 4 Gain = 8

Test conditions: RMS resolution and peak resolution are calcu­lated relative to the full-scale range of their gain settings, using
internal calibration voltage references.

Introduction 9

PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008

Spectral Response (At 30,000-SPS, Ty pical, 25ºC)

Figure 1-4: Spectral Response ±10 V range,

0.996094 Hz sine wave, -1 dB FS

Input Signal = 996.094 Hz @ -1 dBFS, Sampling rate = 30 KHz

0

-20

-40

-60

-80

Magnitude (dB)

-100

-120

-140
0 2000 4000 6000 8000 10000 12000 14000

Figure 1-5: Spectral Response ±5 V range,

0.996094 Hz sine wave, -1 dB FS

Input Signal = 996.094 Hz @ -1 dBFS, Sampling rate = 30 KHz

0

-20

-40

-60

-80

Magnitude (dB )

-100

-120

-140

-160
0 2000 4000 6000 8000 10000 12000 14000

SINAD = 99.5171 dB
SNR = 101.0395 dB
THD = -104.8086
ENOB = 16.2387 bit
SFDR = 105.8299

Frequency (Hz)

SINAD = 98.6425 dB
SNR = 99.4779 dB
THD = -106.2125
ENOB = 16.0934 bit
SFDR = 106.8945

Frequency (Hz)

10 Introduction

ADLINK Technology Inc. PCI-9524
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Figure 1-6: Spectral Response ±2.5 V range,

0.996094 Hz sine wave, -1 dB FS

Input Signal = 996.094 Hz @ -1 dBFS, Sampling rate = 30 KHz

0

-20

-40

-60

-80

Magnitude (dB )

-100

-120

-140

-160
0 2000 4000 6000 8000 10000 12000 14000

SINAD = 97.5555 dB
SNR = 98.0951 dB
THD = -106.8792
ENOB = 15.9129 bit
SFDR = 106.1694

Frequency (Hz)

Figure 1-7: Spectral Response ±1.25 V range,

0.996094 Hz sine wave, -1 dB FS

Input Signal = 996.094 Hz @ -1 dBFS, Sampling rate = 30 KHz

0

-20

-40

-60

-80

Magnitude (dB )

-100

-120

-140

-160
0 2000 4000 6000 8000 10000 12000 14000

SINAD = 98.1582 dB
SNR = 98.6841 dB
THD = -107.5872
ENOB = 16.013 bit
SF DR = 9 9 .1709

Frequency (Hz)

Introduction 11

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)

User’s Manual Copyright 2008

Frequency Response (vs. normalized sampling frequencies):

Figure 1-8: Frequency Response Sampling at 30,000 SPS

Frequency Response versus Norm. Sampling Frequency

0

-20

-40

-60

Attenuation (dB)

-80

-100

-120

0.00 0.17 0.33 0.50 0.67 0.83 1.00

Figure 1-9: Frequency Response Sampling at 15,000 SPS

Normalized S ampling Frequenc y (Fs)

Frequency Response versu s Norm. Sampl ing F reque ncy

0

-20

-40

-60

Attenuation (dB

-80

-100

-120

0.00 0.17 0.33 0.50 0.67 0.83 1.00

12 Introduction

Normal i ze d S am pl ing Fr equenc y (Fs)