I. Basic Information

Product Name: PCI-4462

Part Number: 779308-01 779309-01

Manufacturer: National Instruments NI

Product Type: PCI bus high-precision dynamic signal acquisition card DSA

Status: Out of production as of 2026, no new stock available

Alternative Model: PXIe-4462

Features: 4 channels of input, no output, 24-bit, 118dB, multi-channel IEPE

II. Main Applications

Acoustic testing, microphone array, vibration testing, NVH analysis, modal experiment, noise analysis, industrial equipment fault diagnosis, multi-channel synchronous acquisition

III. Analog Input

Number of channels: 4 differential synchronous sampling channels

Resolution: 24-bit Delta-Sigma ADC

Sampling rate: 1kS/s to 204.8kS/s programmable

Analog bandwidth: DC to 90kHz

Dynamic range: 118dB

Total harmonic distortion: -100dB at 1kHz

Input coupling: Software selectable AC/DC per channel independent

IEPE conditioning: Software selectable 0mA/4mA/10mA per channel independent

Input range: 6 gain levels programmable

Gain: -12dB ±42.4V, -6dB ±31.6V, 0dB ±10V, 6dB ±3.16V, 12dB ±1V, 18dB ±0.316V

Input impedance: 1MΩ, parallel 240pF (IEPE enabled)

IV. Analog Output

No analog output

V. Digital IO and Trigger

Digital trigger: 1 SMB external trigger

No general digital IO

No counter

VI. Synchronization and Trigger

Trigger mode: Software trigger, hardware external trigger

Synchronization bus: Supports RTSI bus, multi-card synchronization

Anti-aliasing: Built-in high-order programmable anti-aliasing filter

TEDS: Supports sensor electronic data sheet IEEE1451

VII. Electrical and Mechanical

Bus interface: PCI 32-bit 5V/3.3V compatible

Board size: Standard PCI half-length card

Power supply: PCI slot power supply

Operating temperature: 0 to 55 degrees Celsius

Relative humidity: 10% to 90% without condensation

Connector: BNC, analog input SMB trigger

Weight: Approximately 227 grams

VIII. Software Support

Driver: NI-DAQmx

Development environment: LabVIEW, LabWindowsCVI, Visual Studio

Operating system: Windows XP, 7, 10, 11 32/64-bit

IX. Key Features

24-bit ultra-high precision, dynamic range 118dB

4 AI channels synchronous acquisition, no AO suitable for multi-channel sensing

Each channel independent IEPE 0/4/10mA selectable

6 gain levels input range flexible adaptation

Built-in anti-aliasing filter, TEDS sensor identification

RTSI multi-card synchronization, BNC interface plug-and-play

Suitable for high-precision multi-channel audio acoustic vibration measurement