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Analog Inputs: Two Differential Analog Inputs with dedicated 16-Bit ADC per channel True Simultaneous Sampling of all inputs to 2.0 MSPS per channel SAR Architecture; No minimum sample rate Analog Outputs: Two Single-Ended Analog Outputs with dedicated 16-Bit DAC per channel Simultaneous Output clocking rates to 2.0 MSPS per channel Selectable Direct-Write or FIFO-Buffered access Outputs-Disconnect feature ensures quiet, zeroed outputs during power-up and autocalibration Buffer Configurable as Open for data streaming, or Circular for periodic functions Common Analog I/O Features: Selectable Input/Output Ranges: ±10V, ±5V, ±2.5V Independent 2.0 Megasample input and output FIFO data buffers Hardware Clock and Sync I/O for multiboard operation Timing Controlled by internal rate generator, by software clocking, or externally 8-Bit Buffered TTL Digital Output Port: Eight TTL digital output channels 8x256K-sample data FIFO Clocking rates from Zero to 2MHz; Internal or external clock source General: 8-Bit Bidirectional TTL digital I/O port DMA Engine minimizes bus congestion Internal Power Conversion; Single 5-Volt power requirement Independent 24-Bit frequency dividers Internal Autocalibration 66 MHz 32-Bit PCI Support, with universal 5V/3.3V signaling Single-Width PMC form factor with integral EMI shield Extended-temperature version available

Analog Inputs: 8 Differential analog inputs with dedicated 16-Bit ADC per channel True simultaneous sampling of all inputs to 2.0 MSPS per channel SAR architecture; no minimum sample rate Analog Outputs: 4 Single-ended analog outputs with dedicated 16-Bit DAC per channel Simultaneous output clocking rates to 1.0 MSPS per channel Selectable direct-write or FIFO-buffered access Buffer configurable as open for data streaming, or circular for periodic functions Common Analog I/O Features: Selectable input/output ranges: ±10V, ±5V, ±2.5V Independent 256-Ksample input and output FIFO data buffers Hardware clock and sync I/O for multiboard operation Internal power conversion DMA engine minimizes bus congestion Timing controlled by internal rate generator, by software clocking, or externally Three independent 24-Bit frequency dividers On-demand autocalibration Front-panel system I/O access 16-Bit bidirectional TTL digital I/O port Conforms to PCI Express Specification revision 1.0a; x1 link operating at 2.5Gbps 3U VPX form factor

8 Differential 18-Bit Analog Input Channels DC to 500KSPS Sample Rate per Channel DC Accuracy: 0.005% Vsig + 0.003% FSR Group Delay: 8uS, 0-500KSPS, Maximum Continuous-Time 4-Pole Lowpass Filter; Selectable as Fc = 80kHz or 200kHz. Custom frequencies available. Inputs are software-configurable with or without 0-20ma current-loop input termination; 500 Ohms, 0.05%, 0.4 Watt, Individually selectable for each input channel. 100 dB Dynamic Range; Typical to 100 kHz with Fsamp = 400ksps 92 dB SINAD; Typical to 100 kHz with Fsamp = 400ksps 8 Single-ended or 3-Wire Differential 18-Bit Analog Output Channels DC to 500KSPS Sample Rate per Channel DC Accuracy: 0.005% Vsig +0.003% FSR Group Delay: 10us, 0-500KSPS, Maximum 95 dB Dynamic Range, Typical to 1MHz with Fsamp = 400ksps 90 dB SINAD, Typical to 1MHz with Fsamp = 400ksps Common Input/Output Characteristics: Software-Selectable Input/Output Ranges: ±10V, ±5V,±2.5V, 0 to +10V, 0 to +5V. Independent Input and output range selection. All inputs share a common input range, and all outputs share a common output range. Synchronous or Independent Input/Output Clocking Independent 1-MByte Input and Output FIFO Buffers; 2 MBytes total; Optional 2-MByte Input and Output Buffers; 4 MBytes Total Internal Sample Rate Generators 32-Bit Event Timer Hardware Sync and Clock I/O for Multiboard Synchronization 66/33MHz PCI support Conforms to PCl Bus Specification, Revision 2.3, with Universal Signaling Standard Full-Length PCI Form Factor DMA Engine Supports Block-Mode Transfers in Two Channels On-demand Autocalibration Ensures DC Precision as well as AC performance Integrated DC/DC Conversion and Dual Regulation for Internal Supply Voltages

The PMC-16AO4MFS D/A board provides 400KHz-per-channel precision high speed 16-bit analog outputs, and supports arbitrary waveform generation. Four analog output channels are updated independently from an internal buffer, either at software-determined rates, or by an externally supplied clock. Flexible operating modes include continuous, periodic and triggered burst functions, as well as the seamless, dynamic concatenation of waveforms in real-time. Output ranges are supplied as ±10V, ±5V or ±2.5V. Internal auto calibration networks permit periodic calibration to be performed without removing the board or host from the system. This feature produces the optimum calibration situation, in which the board is calibrated in its actual operating environment.

20 Precision High-Speed Analog Output Channels; 16-Bit Resolution; D/A Converter per Channel Data Rates to 400K Samples per Second per Channel; 8 MSPS Aggregate Rate Output Ranges of �10V, �5V or �2.5V Output Clocking Mode Selectable as Simultaneous or Sequential 256K-Sample Output Data Buffer Analog Output FIFO Buffer Software-Configurable as Open or Circular Continuous and Burst (One-Shot) Output Modes Support Seamless Waveform Sequencing Data Rate Controlled by Adjustable Internal Clock, or by Externally Supplied Clock Supports Multiboard Synchronization Optional Differential Clock I/O Available for Synchronizing Sigma-Delta A/D Boards On-Demand Autocalibration of all Channels Remote Ground Sensing High Accuracy; 0.017% FSR max error on �10V Range, INL = 0.007% Fast Settling; 5 us to 0.1%; 8 us to 0.01%;with No-filter Option

16 Precision 3-Wire Balanced Differential High-Speed Analog Output Channels 16-Bit Resolution; D/A Converter per Channel Dual Selectable 8th-Order Reconstruction Filters on All Outputs 66MHz PCI Bus Support Data Rates to 450K Samples per Second per Channel; 7.2 MSPS Aggregate Rate Software-Selectable Output Ranges of ±10V or ±5V Full Scale at 5mA with High-Level Option, or ±2.5V or ±1.5V at 30mA with High-Current Option Supports 50-Ohms Loads on ±1.5V Output Range Optional 2-Wire Single-Ended Analog Outputs 256K-Sample Output Data FIFO Buffer; Configurable as Open or Circular Simultaneous or Sequential Output Clocking Multiboard Synchronization Compatibility with Other GSC I/O Products Continuous and Burst (One-Shot) Output Modes Support Seamless Waveform Sequencing Data Rate Controlled Internally or Externally Software-Selectable Differential Clock I/O for Synchronizing Sigma-Delta A/D Boards High Accuracy Ensured by On-Demand Autocalibration of all Channels Remote Ground Sensing

16 Precision 3-Wire Balanced Differential High-Speed Analog Output Channels 16-Bit Resolution; D/A Converter per Channel 66MHz PCI Bus Support Data Rates to 440K Samples per Second per Channel; 7.04 MSPS Aggregate Rate Software-Selectable Output Ranges of ±10V, ±5V, ±2.5V or ±1.25V Optional 2-Wire Single-Ended Analog Outputs 256K-Sample Output Data FIFO Buffer; Configurable as Open or Circular Simultaneous or Sequential Output Clocking Multiboard Synchronization Supported Continuous and Burst (One-Shot) Output Modes Support Seamless Waveform Sequencing Data Rate Controlled Internally or Externally, Real-Time Rate Adjustment Supported Software-Selectable Differential Clock I/O for Synchronizing Sigma-Delta A/D Boards High Accuracy Ensured by On-Demand Autocalibration of all Channels Remote Ground Sensing Available on Adapters for Alternate Form Factors: PCI, cPCI, PC104-Plus

Precision 16-Bit analog outputs: DAC per Channel Software-selectable output ranges of ±10V, ±5V, 0 to +10V, or 0 to +5V. Output clocking rates to 500K samples per second per channel with all channels active 66MHz PCI Bus support with Block-mode and Demand-mode DMA transactions 256K-Sample output data FIFO buffer; Configurable as open or closed (circular) Simultaneous or sequential output clocking Settling to 0.01 percent in 4us Multiboard synchronization supported Continuous and Triggered-Burst output modes support seamless waveform sequencing Data clocking rate controlled internally or externally High accuracy ensured by on-demand Autocalibration of all channels, with outputs forced to zero during autocalibration. Available on adapters for alternate form factors, including PCI, cPCI and PC104-Plus, as well as PCI-Express, PCIX and cPCIX

8 Single-ended or 3-Wire Differential 18-Bit Analog Output Channels Simultaneous Clocking; Individual R-2R 18-Bit DAC per output channel DC to 500KSPS Sample Rate per Channel; 0-4 MSPS aggregate rate Output ranges: ±10V, ±5V, ±2.5V Independent 256K-sample output FIFO Buffer 8 Bidirectional Digital I/O lines; TTL compatible Internal Sample Rate Generator with 24-Bit rate divider Hardware Sync and Clock I/O for Multiboard Synchronization; Front-panel and Internal access Conforms to PCl Bus Specification, Revision 2.3, 66/33 MHz with Universal Signaling Standard Single-width PMC Form factor DMA Engine Supports Block-Mode Transfers in Two Channels On-demand Autocalibration Integrated DC/DC Conversion and Dual Regulation for Internal Supply Voltages

16 Single-ended or 3-Wire differential 20-Bit analog output channels. Simultaneous Clocking; Individual R-2R 20-Bit DAC per output channel. Clocking rates from zero to 500KSPS Output ranges: +⁄-10V, +⁄-5V, +⁄-2.5V, software-selectable. 8th-Order reconstruction filter at each output. 256K-sample output FIFO buffer. Internal sample rate generator with 24-Bit rate divider. Hardware trigger and clock I/O for multiboard synchronization; Front-panel and Internal access. 8 Bidirectional digital TTL I/O lines. Conforms to PCl Bus Specification, Revision 2.3, 66/33 MHz 64-Bits, with Universal Signaling. PCI burst rates to 400MB/sec. Standard cPCI-6U form factor. (Call for availability in PCI and PCI-Express form factors). DMA Engine supports block-mode and demand-mode transfers in two DMA channels. On-demand offset and gain autocalibration of all channels. Software-controlled master-clock frequency fine-adjustment. Front-Panel system I/O connector.