PC104-12AI64 64 Analog Input Channels (12-bit A/D): Similar GSC Product Features Include: · 64 Single-ended or 32 Differential 12-Bit Scanned Analog Input Channels · Sample Rates to 1,500 KSPS per Second in Single-Channel Mode; 1,000 KSPS in Scanning Mode · Input Ranges Selectable as ±10V, ±5V or ±2.5V · 64-Ksample FIFO Data Buffer · Continuous and Burst (One-Shot) Input Modes · Sync Input and Output (Alternate Function for Channels 62,63) · Internal Rate Generator Implements a 32-Bit Divider · Scan Sizes from 2 to 64 Channels-per-Scan · Scan Rates Adjustable from 0.01 to 500K Scans-per-Second (2-channel scan) · Internal Auto calibration; No Host Involvement · DMA Engine Minimizes Host I/O Overhead · Dynamic Node Control Minimizes Crosstalk and Input Bias Current · Completely Software-Configurable; No Field Jumpers Applications Include: ü Acoustics Analysis ü Voltage Measurement ü Automatic Test Equipment ü Analog Inputs ü Process Monitoring ü Audio Waveform Analysis ü Data Acquisition Systems ü Industrial Robotics ü Environmental Test Systems 8302A Whitesburg Drive · Huntsville, AL 35802 Phone: (256) 880-8787 or (800) 653-9970 FAX: (256) 880-8788 Overview: The high-density PC104P-12AI64 board provides cost effective 1,500,000 conversions-per- second 12-bit analog input capability in a single width PMC format. The inputs are configurable either as 64 single-ended channels or as 32 differential channels, and the input range can be software selectable as ±10V, ±5V or ±2.5V. Scan rates can be controlled from either (a) an internal rate generator, (b) through an external digital input, or (c) by direct software commands. Multiple PC104P-12AI64 boards can be connected together for synchronous scanning. Data buffering is configurable either as a single 64K sample FIFO for maximum buffering, or as dual 64K location swinging buffers for minimum latency. Internal auto calibration networks permit calibration to be performed without removing the board from the system.A VxWorks is available. Functional Description: The PC104-12AI64 board is a scanning analog digitizer that performs high-speed sampling and 12-bit A/D conversion of as many as 64 single-ended or 32 differential analog input channels. The resulting 12-bit sampled data is available to the PCI bus through a data buffer that is configured as a 64K-Sample FIFO. All operational parameters are software configurable. The analog inputs can be sampled in scans of 2, 4, 8, 16, 32 or 64 single-ended channels, or in scans of 2, 4, 8, 16 or 32 differential channels. The scan rate can be controlled internally up to 500,000 scans per second for 2-channel scans. Sync input and output signals permit multiple boards to perform synchronous scanning. Input buffer amplifiers on all channels eliminate the high input currents that are produced by nonbuffered multiplexers running at high scan rates. An internal auto calibration utility uses hardware D/A converters to correct for offset and gain errors in the input signal path, and eliminates the missing codes that are inevitably introduced when software correction methods are used. A selftest switching network routes calibration signals through the input multiplexer to the A/D converter to support internal auto calibration, and permits board integrity to be tested by the host. Auto calibration is performed automatically after reset or upon demand from the PCI bus, and calibrates the offset and gain of the converter to a precision internal reference voltage. 8302A Whitesburg Drive · Huntsville, AL 35802 Phone: (256) 880-8787 or (800) 653-9970 FAX: (256) 880-8788 Input Conn Input Pipelined Analog Inputs Configuration Analog 12-Bit ADC 64 S.E., 32 Diff Switching Multiplexer Calibration Vtest Out Offset/Gain Reference Calibration DAC’S Ext Sync Host Local Conn Controller PCI Interface Adapter Data Buffer PCI Bus Input Power Power Regulated Converter ±5V, Vdd, Vss LCAI12BD01 Figure 1. PMC-12LCAI-64; Functional Organization The board is functionally compatible with the IEEE PCI local bus specification Revision 2.1, and supports the "plug-n-play" initialization concept. System connections are made at the front panel through a high-density 68- pin connector. Power requirements consist of +5 VDC, in compliance with the PCI specification, and operation over the specified temperature range is achieved with conventional convection cooling. 8302A Whitesburg Drive · Huntsville, AL 35802 Phone: (256) 880-8787 or (800) 653-9970 FAX: (256) 880-8788 ELECTRICAL SPECIFICATIONS O At +25 C, with specified operating voltages q Input Characteristics: Configuration: 64 single-ended or 32 differential analog input channels Voltage Ranges: Software configurable as ±10 Volts, ±5 Volts or ±2.5 Volts Input Impedance: 1.0 Megohm, independent of scan rate Common Mode Rejection: 60 dB typical, DC-60 Hz (Differential inputs) Common Mode Range: ±10 Volts; differential input configuration Offset Voltage: ±3.0 millivolts, maximum Bias Current: Less than 80 nanoamps. Noise: 2.0 LSB-RMS typical Crosstalk Rejection: 75dB typical, DC-10kHz Overvoltage Protection: ±30 Volts with power applied*; ±15 Volts with power removed. * Inputs 62,63 (Alternate function TTL Sync I/O) limited to -0.5 to +7.0 Volts q Transfer Characteristics: Resolution: 12 Bits (0.0244 percent of FSR) Maximum Sample Rate: 1,500 KSPS in single-channel mode; 1,000 KSPS (aggregate) in scanning mode Scan Rate: Adjustable internally from 0.01 to 500K scans per second. Channels per scan: 2, 4, 8, 16, 32 or 64 Single-ended channels; 2, 4, 8, 16 or 32 differential channels. One channel in single-channel mode. DC Accuracy: Range Midscale Accuracy ±Fullscale Accuracy ±10V ± 10mv ±12mv (Maximum composite error ±5V ± 5mv ± 7mv after autocalibration) ±2.5V ± 3mv ± 5mv Integral Nonlinearity: ±0.04 percent of FSR, typical Differential Nonlinearity: ±0.024 percent of FSR, maximum q Analog Input Operating Modes and Controls Input Data Buffer: 64K-sample FIFO, with status flags and interrupt. Analog Input Modes: Continuous Scan: Analog inputs are scanned continuously Burst Scan: Each scan is initiated either by the internal rate generator, or by a hardware TTL input or a software sync input. Single Channel: Any single selected channel is sampled continuously Selftest: Autocalibration and Selftest modes 8302A Whitesburg Drive · Huntsville, AL 35802 Phone: (256) 880-8787 or (800) 653-9970 FAX: (256) 880-8788 Rate Generator: Programmable from 0.01 - 500,000 scans per second in scanning mode, 0.01 to 1,500,000 samples per second in single-channel mode. Input Data Format: Selectable as offset binary or as two's complement AUTOCALIBRATION A single bit in the board control register initiates Autocalibration. During autocalibration, all analog channels are calibrated to a single precision internal voltage reference. Autocalibration has a typical duration of less than one second. PCI INTERFACE q Compatibility: Conforms to PCI Specification 2.1, with D32 read/write transactions. Supports "plug-n-play" initialization. Provides one multifunction interrupt. Supports DMA transfers as bus master. MECHANICAL AND ENVIRONMENTAL SPECIFICATIONS q q Power Requirements +5VDC ±0.2 VDC at 1.0 Amps, maximum, 1.1 Amps typical Power Dissipation: 7.0 Watts maximum; 5.5 Watts typical q Physical Characteristics (Overall, excluding spacers): Height: 23.3 mm (0.92 in) Width: 94.0 mm (3.78 in) Depth: 95.9 mm (3.70 in) q Environmental Specifications Ambient Temperature Range: Operating: 0 to +70 degrees Celsius * Storage: -40 to +85 degrees Celsius *Temperature of inlet cooling air. Relative Humidity: Operating: 0 to 80%, non-condensing Storage: 0 to 95%, non-condensing Altitude: Operation to 10,000 ft. Cooling: Conventional convection cooling q Cooling Requirements Conventional air cooling; 200 LPFM (typical mezzanine environment). 8302A Whitesburg Drive · Huntsville, AL 35802 Phone: (256) 880-8787 or (800) 653-9970 FAX: (256) 880-8788 ORDERING INFORMATION Specify the basic product model number PC104-12AI64. General Standards Corporation assumes no responsibility for the use of any circuits in this product. No circuit patent licenses are implied. Information included herein supersedes previously published specifications on this product and is subject to change without notice. SYSTEM I/O CONNECTIONS Table 1. System Connector Pin Functions P2 ROW-A P2 ROW-B SIGNAL SIGNAL PIN S.E. MODE DIFF MODE PIN S.E. MODE DIFF MODE 1 INP00 INP00 HI 1 INP32 INP16 HI 2 INP01 INP00 LO 2 INP33 INP16 LO 3 INP02 INP01 HI 3 INP34 INP17 HI ROW A ROW B 4 INP03 INP01 LO 4 INP35 INP17 LO 5 INP04 INP02 HI 5 INP36 INP18 HI 6 INP05 INP02 LO 6 INP37 INP18 LO 7 INP06 INP03 HI 7 INP38 INP19 HI 8 INP07 INP03 LO 8 INP39 INP19 LO PIN 34 9 INP08 INP04 HI 9 INP40 INP20 HI 10 INP09 INP04 LO 10 INP41 INP20 LO P5 11 INP10 INP05 HI 11 INP42 INP21 HI CONN 12 INP11 INP05 LO 12 INP43 INP21 LO 13 INP12 INP06 HI 13 INP44 INP22 HI 14 INP13 INP06 LO 14 INP45 INP22 LO 15 INP14 INP07 HI 15 INP46 INP23 HI PWB 16 INP15 INP07 LO 16 INP47 INP23 LO 17 AGND AGND 17 AGND AGND 18 AGND AGND 18 AGND AGND 19 INP16 INP08 HI 19 INP48 INP24 HI PIN 1 20 INP17 INP08 LO 20 INP49 INP24 LO 21 INP18 INP09 HI 21 INP50 INP25 HI 22 INP19 INP09 LO 22 INP51 INP25 LO Panel Pin-view 23 INP20 INP10 HI 23 INP52 INP26 HI 24 INP21 INP10 LO 24 INP53 INP26 LO Figure 2. System Input Connector 25 INP22 INP11 HI 25 INP54 INP27 HI 26 INP23 INP11 LO 26 INP55 INP27 LO System Mating Connector: 27 INP24 INP12 HI 27 INP56 INP28 HI 68-Pin 2-row 0.050" dual-ribbon cable 28 INP25 INP12 LO 28 INP57 INP28 LO socket connector: Robinson Nugent 29 INP26 INP13 HI 29 INP58 INP29 HI 30 INP27 INP13 LO 30 INP59 INP29 LO #P50E-068-S-TG, or equivalent. 31 INP28 INP14 HI 31 INP60 INP30 HI 32 INP29 INP14 LO 32 INP61 INP30 LO 33 INP30 INP15 HI 33 INP62/ INP31 HI/ SYNC HI * SYNC HI* 34 INP31 INP15 LO 34 INP63/ INP31 LO/ SYNC LO* SYNC LO* * Software-selected. 8302A Whitesburg Drive · Huntsville, AL 35802 Phone: (256) 880-8787 or (800) 653-9970 FAX: (256) 880-8788