Datasheet > 778756-01

778756-01

更新时间： 2024-11-20 08:05:47

品牌	Logo	应用领域
美国国家仪器公司 - NI		/
页数	文件大小	规格书
5页	441K
描述
100 MHz, 100 MS/s, 14-Bit Digitizer

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中文翻译

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数据手册

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778756-01 数据手册

100 MHz, 100 MS/s, 14-Bit Digitizer

NI 5122

• 2 channels simultaneously sampled

at 14-bit resolution

Operating Systems

• Windows Vista/XP/2000

• 100 MS/s real-time and 2.0 GS/s

random interleaved sampling

• 100 MHz bandwidth

• 50 Ω or 1 MΩ input impedance,

software-selectable

Recommended Software

• LabVIEW

• LabWindows^™/CVI

• Measurement Studio for Visual Studio

• 200 mV to 20 V input range

• 75 dBc SFDR and 62 dB SINAD

• Memory options from 8 to 512 MB

per channel

• Edge, window, hysteresis, video,

and digital triggering with

100 ps timestamping

Other Compatible Software

• Visual Basic

• C/C++

• .NET

Application Software (included)

• Spectral Measurements Toolkit

(32 and 256 MB/channel models only)

Models

Driver Software (included)

• NI-SCOPE

• NI PCI-5122

• NI PXI-5122

• NI PXIe-5122

Overview

National Instruments 5122 high-speed digitizers feature two 100 MS/s

simultaneously sampled input channels with 14-bit resolution, 100 MHz

bandwidth, and up to 512 MB of memory per channel in a compact,

3U PXI Express, PXI, or PCI device. With its high sampling rate and

low-distortion front end, an NI 5122 is ideal for a wide range of appli-

cations in automotive, communications, scientific research, military/

aerospace, and consumer electronics. Using the National Instruments

Synchronization and Memory Core (SMC) architecture, you can easily

synchronize to other analog and digital instruments to develop

high-channel-count or mixed-signal test systems.

Figure 1. Graph of Dynamic Performance (FFT)

Analog Input Performance

Deep Onboard Acquisition Memory

NI 5122 digitizers use 14-bit analog-to-digital converters (ADCs),

low-noise variable-gain amplifiers, and a low-jitter 100 MHz timebase

to deliver a 75 dBc spurious-free dynamic range and a 62 dB signal-to-

noise ratio. The 14-bit data converters have 64 times the resolution

of traditional 8-bit instruments, providing more accurate time- and

frequency-domain measurements.

An NI 5122, based on the SMC architecture, comes with high-speed

memory options from 8 to 512 MB per channel (4 to 256 million 14-bit

samples per channel). An NI 5122 can acquire more than 1 million

triggered waveforms without software intervention in multiple-record

acquisition mode for applications such as RADAR, ultrasound, and event

detection, which require short trigger rearm times. In addition, you can

timestamp each triggered event with 100 ps resolution in both single-

shot and multiple-record acquisition modes. An NI 5122 also can stream

data continuously from onboard memory to host memory for longer

acquisitions and streaming to disk.

Software-selectable 50 Ω or 1 MΩ input impedance, input ranges

from 200 mV_ppto 20 V_pp, seven trigger modes, and antialias and noise

filters make NI 5122 digitizers versatile enough to meet the most

demanding application requirements. The programmable DC offset

feature maximizes the use of the entire 14 bits of vertical range.

Onboard self-calibration also ensures measurement stability over

the entire operating temperature range of 0 to 55 °C.

12 3 4 5

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778756-02	NI	获取价格	100 MHz, 100 MS/s, 14-Bit Digitizer
778756-03	NI	获取价格	100 MHz, 100 MS/s, 14-Bit Digitizer
778756-04	NI	获取价格	100 MHz, 100 MS/s, 14-Bit Digitizer
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778780-02	NI	获取价格	Controller Area Network (CAN) Interfaces
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778782-02	NI	获取价格	Controller Area Network (CAN) Interfaces

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