I. Basic Positioning

Full Name: 13-Bit, 32-Channel High-Speed Analog Output Device

Structure: 32 voltage outputs (AO0 to 31), no analog input; single DAC group, time-division multiplexing

Bus: PCI (778701-01) / PXI (778998-01)

Usage: Signal simulation, waveform generation, excitation-response testing, actuator driving, PID control, low-speed arbitrary wave substitution

Core Features: High density, high speed, synchronous update, RTSI synchronization, onboard counter

II. Core Specifications (13 digits)

✅ Analog Output (32 channels)

Resolution: 13 bits

Output Range: ±10 V (fixed, unipolar option not available)

Drive Capacity: ±5 mA (per channel)

Setup Time: <10 μs (to ±0.01%)

✅ Update Rate (Critical)

Single Channel Maximum: 800 kS/s

32-channel Synchronous: 45 kS/s/channel

Clock: Built-in (10 MHz) / External / RTSI, Hardware Timing

Synchronization: All channels update simultaneously, no phase difference

✅ Digital I/O and Counter

Digital I/O: 8 channels of 5 V TTL/CMOS (bidirectional)

Counter: 2 channels of 24 bit / 20 MHz, can be used as trigger / timing

✅ Accuracy (Typical, 25 ℃)

Offset Error: ±5 mV

Gain Error: ±0.1% FS

Non-linearity: ±0.04% FS

Noise: <500 μV rms (DC–1 MHz)

III. Connectors and Physical

Interface: 68-pin SCSI-II shielded connector Size:

PCI: Full-height, half-length (175 × 107 mm)

PXI: 3U (160 × 100 mm)

Power supply: +5 V (for PCI/PXI bus)

Operating temperature: 0 ~ +55 ℃

IV. Software and Drivers

Driver: NI-DAQmx (supports traditional NI-DAQ)

Support: LabVIEW, LabWindows/CVI, Python, C#, SCPI

System: Windows 7/10/11, Linux

V. One-Sentence Memo

NI-6723: PCI/PXI 32-channel high-speed analog output, 13-bit ±10 V, single channel 800 kS/s, full channel 45 kS/s, synchronous update + RTSI + counter, high-density signal simulation / control dedicated, discontinued.

VI. Comparison with NI-6704 (Similarities)

6704: 16-bit, static, software timing, 16V + 16I, ≈555 S/s, low-speed DC control

6723: 13-bit, high-speed, hardware timing, 32V, up to 800 kS/s, waveform / dynamic excitation

VII. Alternative Models (Commonly Used)

PXIe-6723: PCIe bus, same performance, new generation

PXI-6733 / PCI-6733: 16-bit, 1 MS/s, higher precision / speed

PXIe-4100 Series: Requires precise source / timing substitution