The National Instruments PCI-6025E is a PCI-based multifunction data acquisition board delivering 16 analog input channels, 2 analog output channels, 32 digital I/O lines, and dual 24-bit counters. Built on E Series technology, it acquires analog signals at up to 200 kS/s with 12-bit resolution and supports configurable single-ended or differential input modes across bipolar ranges of ±11 V, ±10 V, ±5 V, ±1 V, ±500 mV, and ±50 mV. The board integrates a DAQ-STC system timing controller and RTSI synchronization bus for precise multi-function triggering, while its analog outputs update at 10 kS/s through double-buffered DAC architecture. 5 V TTL-compatible digital I/O and dual 24-bit counters at 20 MHz enable flexible control and timing operations. Compatible with NI-DAQmx and legacy NI-DAQ 7 drivers, the board accepts SCC and SCXI signal conditioning modules for expanded measurement capability.
Technical Specifications
Analog Inputs
• 16 channels, single-ended or differential configuration
• 12-bit resolution
• Maximum sampling rate: 200 kS/s
• Input ranges: ±11 V, ±10 V, ±5 V, ±1 V, ±500 mV, ±50 mV (bipolar)
• Typical relative accuracy: ±0.5 LSB; maximum undithered: ±1.5 LSB
• High input impedance; low bias and offset currents
• Outstanding CMRR across strength levels
• Overvoltage protection: ±40 V (powered on), ±25 V (powered off)
Analog Outputs
• 2 channels, 12-bit resolution
• Update rate: 10 kS/s
• Double-buffered multiplying DAC
• DMA, interrupt, and programmed I/O transfer modes
Digital I/O
• 32 lines, 5 V TTL compatible
• Power-on state: high-impedance input
Counters
• Two 24-bit counters at 20 MHz
System Timing
• DAQ-STC controller with RTSI bus for multi-function synchronization
• Streaming to disk: 200 kS/s (drive-dependent)
• Software-timed single-point input: 50 kHz (NI-DAQ)
– Key Features
• Compact form factor: 6.9 × 4.2 inches, 4.1 ounces
• PCI bus interface
• DAQ-STC precision timing architecture
• Multiple data transfer modes optimize throughput
– Typical Applications
Data logging, automated testing, process control, and laboratory research requiring synchronized analog acquisition, digital control, and timing operations.
– Compatibility & Integration
Supports NI-DAQmx and NI-DAQ 7 drivers. Compatible with SCC and SCXI signal conditioning modules for extended sensor and high-voltage measurement capabilities.
