제품소개

Features
■ Supports a 32-Bit 3.3 V or 5 V PCI bus (DAQ-2500 series)
■ PXI specification Rev 2.2 compliant (PXI-2500 series)
■ x1 lane PCI Express® Interface (DAQe-2500 series)
■ Hardware-based arbitrary waveform generation
■ Onboard 8 k-sample D/A FIFO (PXI/DAQ/DAQe-2501)
■ Onboard 16 k-sample D/A FIFO (PXI/DAQ/DAQe-2502)
■ Programmable bipolar or unipolar analog output ranges 
    / internal or external reference sources on per channel 
    basis
■ 8-CH 400 kS/s 14-Bit single-ended analog inputs (PXI/
    DAQ/DAQe-2501) ; 4-CH 400 kS/s 14-Bit single-ended 
    analog inputs (PXI/DAQ/DAQe-2502)
■ Onboard 2 k-sample A/D FIFO
■ Bipolar or unipolar analog input ranges
■ Scatter-gather DMA for both analog inputs and outputs
■ 24-CH TTL digital input/output
■ 2-CH 16-Bit general-purpose timer/counter
■ Analog & digital triggering
■ Fully auto-calibration
■ Multiple cards synchronization through SSI
    (System Synchronization Interface) bus or PXI trigger bus

Specification & Introduction
 Analog Output
■ Number of channels 
    4 voltage outputs 
    8 voltage outputs
■ Resolution 
    12 Bit
■ Output ranges 
    0-10 V, ±10 V, 0-AOEXTREF, ±AOEXTREF
■ Maximum update rate 
    1 MS/s
■ Slew rate 
    20 V/μs
■ Settling time 
    3 μs to ±0.5 LSB accuracy
■ Offset error
    ±8 mV
■ Gain error 
    ±0.04% of max. output
■ Driving capacity 
    ±5 mA
■ Stability 
    Any passive load, up to 1500 pF
■ Trigger sources 
    Software, external digital/analog trigger, SSI bus
■ Trigger modes 
    Post-trigger, delay-trigger, and repeated trigger
■ FIFO buffer size 
    8 k samples 
    16 k samples
■ Data transfers 
    Programmed I/O, scatter-gather DMA
 Analog Input
■ Resolution 
    14 Bit, no missing codes
■ Number of channels 
    8 single-ended 
    4 single-ended
■ Maximum sampling rate 
    400 kS/s
■ Gain 
    1
■ Bipolar input ranges 
    ±10 V
■ Unipolar input ranges 
    0-10 V
■ Offset error 
    ±4 mV
■ Gain error 
    ±0.1% of FSR
■ Input coupling 
    DC
■ Overvoltage protection 
    Power on: Continuous ±30 V, Power off: Continuous ±15 V
■ Input impedance 
    1 GΩ/6 pF
■ Trigger sources 
    Software, external digital/analog trigger, SSI bus
■ Trigger modes 
    Post-trigger, delay-trigger, and repeated trigger
■ FIFO buffer size 
    2 k samples
■ Data transfers 
    Polling, scatter-gather DMA
 Digital I/O
■ Number of channels 
    24-CH 8255 programmable input/output
■ Compatibility 
    5 V/TTL
■ Data transfers
    Programmed I/O
 Timer/Counter
■ Number of channels 
    2
■ Resolution 
    16 Bit
■ Compatibility 
    5 V/TTL
■ Base clock available 
    40 MHz, external clock up to 10 MHz
 General Specifications
■ Auto Calibration 
    Yes (+5 V, ±2 ppm/˚C)
■ Dimensions 
    160 mm x 100 mm (6.24" x 3.9") (not including connectors) (PXI-2500 series)
    175 mm x 107 mm (6.82" x 4.17") (not including connectors) (DAQ-2500 series)
    168 mm x 107 mm (6.55” x 4.17") (not including connectors) (DAQe-2500 series)
■ Connector 
    68-pin VHDCI female
■ Operating temperature 
    0˚C to 55˚C (32˚F to 131˚F)
■ Storage temperature 
    -20˚C to 70˚C (-4˚F to 158˚F)
■ Humidity 
    5 to 95%, non-condensing
■ Power requirements 
    +5 V 1.6 A typical (PXI/DAQ-2501)
    +3.3 V 0.78 A, +12 V 0.66 A typical 
    (DAQe-2501)
    +5 V 2.12 A typical (PXI/DAQ-2502)
    +3.3 V 0.89 A, +12 V 0.76 A typical 
    (DAQe-2502)

Ordering Information
■ PXI/DAQ/DAQe-2501 
    4 12 Bit 1 MS/s ±10 V, 0 to 10 V 8 14 Bit 400 kS/s ±10 V or 0 to 10 V 24-CH 8255 PIO 2-CH, 16-Bit
■ PXI/DAQ/DAQe-2502 
    8 12 Bit 1 MS/s ±10 V, 0 to 10 V 4 14 Bit 400 kS/s ±10 V or 0 to 10 V 24-CH 8255 PIO 2-CH, 16-Bit