Overview

Key Specifications

Analog Output (32 Channels)

• Resolution: 13‑bit (±1 LSB INL/DNL)

• Voltage Range: ±10 V DC (fixed)

• Update Rate: 800 kS/s aggregate (max)

• Output Impedance: ≤ 0.1 Ω

• Current Drive: ± 5 mA per channel (max)

• FIFO Buffer: 2,047 samples

• DMA: 3 channels (scatter‑gather)

Digital I/O

• 8 lines, 5 V TTL/CMOS compatible

• Input: 0.8 V (low) / 2.0 V (high)

• Output: 0.45 V (low, 16 mA) / 2.4 V (high, 16 mA)

Counter/Timers

• 2 × 24‑bit, 20 MHz

• Features: start trigger, gate, clock, PFI <0…9>

General

• Bus: PCI / 3U PXI (single slot)

• Driver: NI‑DAQmx

• Operating Temp: 0 °C to +50 °C

• I/O Connectors: 2 × 68‑pin VHDCI

Main Features

• 32 analog outputs + 8 DIO + 2 counters in one slot

• Fixed ±10 V range, 13‑bit resolution

• Aggregate 800 kS/s update rate for dynamic waveforms

• Double‑buffered DACs for continuous waveform generation

• Digital triggering & external clock synchronization

• Short‑circuit protection on all outputs

Applications

• Stimulus‑response testing (sensors, amplifiers, circuits)

• Signal simulation and waveform generation (square, sine, sawtooth)

• Actuator and low‑power device control

• Slow closed‑loop control (PID replacement)

• Calibration and reference voltage sourcing

Replacement Notes

• Discontinued; recommended replacement: PCIe‑6738 / PXIe‑6738 (16‑bit, 32‑ch, 1 MS/s)NI