AcPC330 boards provide fast, high resolution A/D conversion. The AcPC330 has many features to improve your overall system throughput rate. You can scan all channels or define a subset for more frequent sampling. Burst mode scans selected channels at the maximum conversion rate. Uniform mode performs conversions at user-defined intervals. Both modes can scan continuously, or execute a single cycle upon receiving a trigger. “Mail box” memory allows the CPU to read the latest data in 32 storage buffer registers without interrupting the A/D converter.

Analog Input

Input configuration: 16 differential or 32 single-ended channels. A/D resolution: 16 bits. Input ranges: ±5V, ±10V, 0-5V, and 0-10V. Programmable gains: 1x, 2x, 4x, 8x. Maximum throughput rate: Only one channel can be updated at a time. One channel: 125KHz (8μS/conversion) [66KHz (15μS/conversion) recommended] 16 channels (differential): 4.2KHz (240μS/16 ch) 32 channels (single-ended): 2.1KHz (480μS/32 ch). Data sample memory: Individual channel mailbox with one or two storage buffer registers per channel. A/D triggers: External and software. Internal timer: One user programmable timer for analog input acquisition control. System accuracy: ±3 LSB (0.005%) typical (SW calib., gain=1, 25°C). Data format: Straight binary or two’s compliment. Input overvoltage protection: Vss -20V to Vdd 40V with power on, -35V to 55V power off. Common mode rejection ratio (60Hz): 96dB typical. Channel-to-channel rejection ratio (60Hz): 96dB typical.


Operating temperature: 0 to 70°C (E version -40 to 85°C). Storage temperature: -55 to 100°C. Relative humidity: 5 to 95% non-condensing. MTBF: Consult factory. Power: 290mA at 5V (350mA maximum).

CompactPCI bus Compliance

Meets PCI spec. V2.2 and PICMG 2.0, R3.0. Data transfer bus: Slave with 32-bit, 16-bit, and 8-bit data transfer operation. Interrupts (INTA#): Interrupt A is used to request an interrupt. Plug-and-Play: The system maps the base address into the PCI bus 32-bit memory space.

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    AcPC330: Analog Input CompactPCI Board

    • 16D/32SE input channels
    • ±5V, ±10V, 0-5V, and 0-10V input ranges
    • 16-bit A/D converter, 8µS conversion time (125KHz)
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    AcPC341: Analog Input CompactPCI Board, Simultaneous Conversion

    • 16 differential inputs
    • ±10V DC input range
    • Eight 14-bit A/D converters with simultaneous sample and hold
    • 8µS conversion time for 8-channel bank
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