Description
The part number 777534-01 refers to a legacy Data Acquisition (DAQ) device, categorized under Legacy DAQ Devices. The model for this specific part is PCI-4451. This device is described as an NI PCI-4451, which boasts specifications including 16-bits resolution, a sampling rate ranging from 5.0 to 204.8 kS/s, and it supports 2 input and 2 output channels. The device is well-regarded for its dynamic range of 118 dB, ensuring high-quality data capture and playback.
In terms of audio performance, the device maintains an amplitude flatness of ±0.1 dB from DC up to 95 kHz, ensuring consistent audio quality across a wide frequency range. The Total Harmonic Distortion (THD) at 1 kHz is impressively low at -90 dB, with higher frequencies exhibiting a THD of -80 dB, indicating excellent audio fidelity. The input and output channels can be coupled either through AC or DC, providing flexibility in signal acquisition and generation tasks.
Additionally, the PCI-4451 features 8 digital lines that operate at 5V TTL/CMOS, allowing for the integration of digital signals with analog data acquisition tasks. Despite its obsolete status, announced by National Instruments, the device remains available for purchase and repairs through Apex Waves, ensuring continued support for users of this high-performance DAQ device.
| Specification | Detail |
|---|---|
| Part Number | 777534-01 |
| Category | Legacy DAQ Devices |
| Model | PCI-4451 |
| Description | NI PCI-4451, 16-Bits, 204.8 kS/s, 2 In/2 Out 118 dB Dynamic Range |
| Input Channels | 2 |
| Output Channels | 2 |
| Resolution | 16-bit |
| Sampling Rate | 5.0 to 204.8 kS/s |
| Dynamic Range | 118 dB |
| Amplitude Flatness | ±0.1 dB (DC to 95 kHz) |
| THD (1 kHz) | -90 dB |
| THD (Higher Frequencies) | -80 dB |
| Coupling | AC/DC |
| Digital Lines | 8 5V TTL/CMOS |
| Obsolete Status | Announced by National Instruments, available for purchase and repairs by Apex Waves |
Question 1: What part number is the PCI-4451?
Answer 1: The part number is 777534-01.
Question 2: How many in/out channels does the PCI-4451 have?
Answer 2: It has 2 input and 2 output channels.
Question 3: What is the dynamic range of the PCI-4451?
Answer 3: It boasts a 118 dB dynamic range.
Question 4: What is the resolution of the PCI-4451?
Answer 4: The device has a 16-bit resolution.
Question 5: Where can the PCI-4451 still be purchased?
Answer 5: Available for purchase and repairs at Apex Waves.


