配置型号包含以下特性:
The PXIe‑7846 features a user-programmable FPGA for high-performance onboard processing and direct control over I/O signals to ensure complete flexibility of system timing and synchronization. You can customize these devices with the LabVIEW FPGA Module to develop applications requiring precise timing and control such as hardware‑in‑the‑loop testing, custom protocol communication, sensor simulation, and high-speed control.
The PXIe‑7846 features a dedicated A/D converter (ADC) per channel for independent timing and triggering. This design offers specialized functionality such as multi-rate sampling and individual channel triggering, which are outside the capabilities of typical data acquisition hardware. The PXIe‑7846 also includes peer-to-peer streaming for direct data transfer to other PXI Express modules.
| Number of channels | 8 |
| Input modes (software-selectable; selection applies to all channels) | DIFF, NRSE, RSE |
| Type of ADC | Successive approximation register (SAR) |
| Resolution | 16 bits |
| Conversion time | 2 µs |
| Maximum sampling rate (per channel) | 500 kS/s |
Input impedance Powered on 1.25 GΩ ║ 2 pF Powered off/overload 4 kΩ minimum | |
| Input signal range (software-selectable) | ±1 V, ±2 V, ±5 V, ±10 V |
| Input bias current | ±5 nA |
| Input offset current | ±5 nA |
| Input coupling | DC |
Overvoltage protection Powered on ±42 V maximum Powered off ±35 V maximum |
| Range (V) | Measurement Voltage, AI+ to AI- | Maximum Working Voltage (Signal + Common Mode) | ||
| Minimum (V)[1] | Typical (V) | Maximum (V) | ||
| ±10 | ±10.37 | ±10.5 | ±10.63 | ±12 V of ground |
| ±5 | ±5.18 | ± 5.25 | ±5.32 | ±10 V of ground |
| ±2 | ±2.07 | ±2.1 | ±2.13 | ±8.5 V of ground |
| ±1 | ±1.03 | ±1.05 | ±1.06 | ±8 V of ground |
| Output type | Single-ended, voltage output |
| Number of channels | 8 |
| Resolution | 16 bits |
| Update time | 1 μs |
| Maximum update rate | 1 MS/s |
| Type of DAC | Enhanced R-2R |
| Range | ±10 V |
| Output coupling | DC |
| Output impedance | 0.5 Ω |
| Current drive | ±2.5 mA |
| Protection | Short circuit to ground |
Overvoltage protection Powered on ±15 V maximum Powered off ±10 V maximum | |
| Power-on state | User-configurable |
| Power-on glitch | 1 V for 1 µs |
| Range (V) | Measurement Voltage, AO+ to AO GND | ||
| Minimum (V)[2] | Typical (V) | Maximum (V) | |
| ±10 | ±10.1 | ±10.16 | ±10.22 |



