PXI-9527

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24-Bit High-Resolution Dynamic Signal Acquisition and Generation Module

Key Features

2-CH simultaneous analog input & 2-CH simultaneous analog output
432 kS/s maximum sampling rate with software programmable rate
Programmable input range: ±40 V, ±10 V, ±3.16 V, ±1 V, ±0.316 V
Programmable output range: ±10 V, ±1 V, ±0.1 V
AC or DC input coupling, software selectable, and supports IEPE output on each analog input, software-configurable
Trigger I/O connector for an external digital trigger signal
24-Bit Sigma-Delta ADC and DAC
PXI specifications Rev. 2.2 compliant
DATA SHEET

Categories: Dynamic signal analyzer, PXI/cPCI Modules, PXI/PXIe

Description

The PXI-9527 is a high-performance, 2-CH analog input, and 2-CH analog output dynamic signal acquisition board. This board is specifically designed for audio testing, acoustic measurement, and vibration analysis applications.

The Tech Square PXI-9527 features two 24-bit simultaneous sampling analog input channels. The 24-bit sigma-delta ADC provides a sampling rate up to 432 KS/s at high resolutions, making it ideal for higher bandwidth dynamic signal measurements. The sampling rate can be adjusted by setting the onboard DDS clock source to an appropriate frequency. All channels are sampled simultaneously and accept an input range from ±40 V to ±0.316 V. The PXI-9527 analog input supports software-selectable AC or DC coupling and 4 mA bias current for integrated electronic piezoelectric (IEPE) sensors.

The Tech Square PXI-9527 also has two channels of 24-bit resolution and high fidelity analog output. The outputs occur simultaneously at software programmable rates up to 216 KS/s. A software programmable output range of ±0.1 V, ±1 V, and ±10 V is available on the output channels.

Application

High-Resolution Dynamic Signal Acquisition for Speaker Testing
Historically, testing of acoustic response in audio playback devices has required critical performance analysis conducted by specialized audio engineers. In addition to design verification, acoustic response testing is also important in the production line testing of multimedia devices.

Currently, many multimedia devices such as MP3 players, mobile phones, and car stereos utilize speakers. Accurate frequency response measurement and detailed harmonic distortion analysis during speaker production testing require high resolution dynamic signal acquisition modules with flexible analog input/output function and high dynamic range. AO output, for example, generating a multi-tone or stepped sweep sine signal, may be employed as a stimulus for a speaker. To convert speaker output to a voltage signal, a calibrated microphone may be employed as a sensor.

AI input can then acquire the signal output from the microphone and perform a fast Fourier transform (FFT) to analyze the measured audio signals, providing frequency and impedance response and harmonic distortion analysis.

ADLINK Solution- PXI-9527: 24-Bit High-Resolution Dynamic Signal Acquisition and Generation
The ADLINK PXI-9527 features 2-CH 24-bit simultaneous sampling analog input. The 24-bit Sigma-Delta ADC provides up to 432 KS/s sampling rate and high resolution, ideally suiting it for higher bandwidth dynamic signal measurement. The sampling rate can be adjusted by setting the onboard DDS clock source to an appropriate frequency. All channels are sampled simultaneously and accept input range from ??40V to ??0.316V. PXI-9527 analog input supports software-selectable AC or DC connection, and 4mA bias current for integrated electronic piezoelectric (IEPE) sensors.

Advantages & Features

24-Bit high-resolution Sigma-Delta ADC and DAC
2-CH simultaneous AI / AO
432 KS/s maximum sampling rate with software programmable rate
Programmable input range: ??40 V, ??10 V, ??3.16 V, ??1 V, ??0.316 V
Programmable output range: ??10 V, ??1 V, ??0.1 V
AC or DC input coupling, software selectable
Support IEPE current output on each analog input, software-configurable
Customer Benefits
High dynamic range performance
Flexible input and output function on a single module
Ready to interface with IEPE sensors, such as microphone and accelerator
Best cost/performance ratio on the market