Product Description:
The high-speed Model LPCI-A16-16A provides 500k samples/second, with
16-bit
resolution, for the board’s 16 single-ended or eight differential
analog input channels.
Also included are two 12-bit analog outputs, 16 digital I/O lines and
an 8254 with three
16-bit counter/timers. The board meets the MD2 Low Profile PCI Bus
Specification and
can be installed in any 3.3V or 5V PCI or PCI-X slot. This
multifunction I/O board is
useful where space is limited such as thin-client and high-density
rack-mount servers
and many embedded applications. Priced at just $695, the board features
an excellent
price/performance value for precision PC-based measurement, analysis,
monitoring
and control.
The LPCI-A16-16A features 11 standard analog input ranges and an
extremely quiet
front end. A unique channel-by-channel programmable gain feature
enables
measurement of an assortment of large and small signals in one scan all
under
hardware control at over 400k samples/second. The board’s data FIFO and
ability to
trigger the A/D in real time assures synchronized sampling that is
unaffected by other
computer operations—an essential requirement for signal, vibration and
transient
analysis where high data rates must be sustained for short periods of
time. Connections
are made to the board via a 50 pin SCSI connector. A shielded round
wire cable and
screw terminal board are optionally available as accessories for bench
testing or as part
of an overall OEM solution.
FEATURES
- 500kHz sampling rate
- 16 single-ended or 8 differential inputs, unipolar or bipolar
- Auto calibration and oversampling for accurate data
- Unique channel-by-channel programmable gain feature
- 1024 sample data FIFO for A/D (optional up to 64k samples)
- Two 12-bit D/A outputs and 16 digital I/O lines
- Software selectable synchronous, asynchronous and timed trigger
modes
- 11 software/hardware selectable ranges of: 0-1V, 0-2V, 0-4V,
0-5V, 0-10V, ±0.5V, ±1V, ±2V, ±2.5V,
±5V, ±10V
- Meets Universal PCI and MD2 Low Profile PCI Bus Specification
FACTORY OPTIONS
- FIFO up to 64k samples
- Factory input range / gain of 1-100
SOFTWARE
The
LPCI-A16-16A is supported for use in most
operating systems and includes a DOS, Linux, and Windows 95/98/Me/NT/
2000/2003/XP compatible software package. This contains sample programs
and source code in "C" and Pascal for DOS, and Visual Basic, Delphi,
C++ Builder, and Visual C++ for Windows. Also incorporated is a
graphical setup program in Windows. Third party support includes a
Windows standard dll interface usable from the most popular application
programs, along with LabView .VI samples. Linux support consists of
installation files and basic samples for programming from user level
via an open source kernel driver.
Specifications
A/D
- Inputs: 16 single-ended or 8 differential
- Resolution: 16-bit
- Bipolar ranges: ±0.5V, ±1V, ±2V,
±2.5V, ±5V, ±10V
- Unipolar ranges: 0-1V, 0-2V, 0-4V, 0-5V, 0-10V
- Sampling rate: 500KHz
- Type: Successive approximation
- Overvoltage protection: 33V
- Nonlinearity: ±1 LSB max, monotonic
- A/D FIFO: 1024 16-bit wide samples
- Calibration: Automatic with values stored in EEPROM
- Trigger Source: Software selectable: external trigger,
programmable timer, program command
D/A
- Outputs: 2
- Resolution: 12-bit
- Ranges: 0-5V, 0-10V
- Relative accuracy: ±2 LSB
- Nonlinearity: ±0.2 LSB
- Settling time: 8µs
- Output current: 5mA
- Calibration: Automatic with values stored in EEPROM
Digital I/O
- Number of I/O: 16 (programmable in groups of eight)
- Input voltage
- Logic low: 0.0V min, 0.8V max
- Logic high: 2.0V min, 5.0V max
- Input current: ±1µA max
- Outputs
- Logic low: 0.0V min, 0.55V max
- Logic high: 2.4V min, 5.0V max
- Output current
- Logic low: 64mA max sink
- Logic high: 32mA max source
Counter/Timers
- Type: 82C54
- A/D Pacer clock: 16 or 32-bit
- Clock Frequency: 10MHz
General
- Power required: +12VDC - 25mA typical, -12VDC - 25mA typical,
+5VDC - 65mA typical
- Operating Temperature: 0° to +70°C
- Storage Temperature: -50° to +120°C
- Humidity: 5% to 90% RH, non-condensing
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