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AP342: 14-bit High-Density Isolated ADC Module
Brand: AcromagThe AP342 14-bit high-density isolated ADC AcroPack module provides fast, high resolution, simultaneous A/D conversion of up to six channels.
Simultaneous channel conversion and on-board memory enable megahertz throughput rates. Programmable interrupts simplify data acquisition by providing greater control.
A FIFO buffer holds the first bank’s data while the second bank is converted. Conversion of each bank requires only 8µS, and all 12 channels can be sampled in just 16µs.
Flexible configuration options give you extensive control over the conversion process. The channels or bank to be converted, timing, scan mode, and other parameters are user-programmable.
Interrupt support adds further control to flag a FIFO that is full or filled to a user-defined threshold level.
Designed for COTS applications AP342 analog input modules deliver high-density, high-reliability, and high-performance at a low cost.
The AcroPack® product line updates our popular Industry Pack I/O modules with a PCIe interface format.
This COTS tech-refresh design offers a compact size, low-cost I/O, the same functionality and memory map of the existing IP modules in a rugged form factor.
Combine different AcroPack modules on one carrier for a simplified modular approach to system assembly.
AcroPack modules are RoHS compliant and ideal for military, defense, automation, aerospace, scientific, and development labs industries.
The AP342 modules are 70mm long, 19.05mm longer than the full-length mini-PCIe card. The board’s width is the same as mPCIe board and they use the same mPCIe standard board hold down standoff and screw keep out areas.
A down facing 100 pin Samtec connector will mate with the carrier card. Fifty of these signals are available as field I/O signals.
Features- PCI Express Generation 1 interface
- Six 14-bit A/D converters with simultaneous multi-channel conversion
- 12 differential inputs with ±10VDC input range
- Mix and match countless I/O combinations in a single slot
- 8µs conversion time (125kHz) for 6-ch. bank
- FIFO buffer with 1025 sample memory
- Interrupt upon FIFO threshold condition
- FIFO full, empty and threshold reached flags
- Programmable channel conversion control
- Programmable conversion timer
- Continuous and single-cycle conversion modes
- External trigger input and output
- Calibration constants for gain and offset correction stored on-board
- Solid-down connector I/O interface
- Wide temperature range
- PCIe, VPX and XMC carriers
- Linux®, Windows®, and VxWorks® support
Specifications
Brand
Input Configuration
- 12 differential.
ADC Resolution
- 14 bits.
Input Range
- ± 10 V.
Data Sample Memory
- 1025 sample FIFO buffer.
Maximum Throughput Rate
- Eight channels can be simultaneously acquired.
- One channel: 125 kHz (8 µS/conversion).
- 6 channels (same bank): 750 kHz (8 µS/6 channels).
- 12 Channels (high and low banks): 750 kHz (16 µS/12)
- channel at minimum 2.2K ohm source resistance).
ADC Triggers
- Internal timer, external, and software.
System Accuracy
- 2.8 LSB (0.017 %).
Data format
- Binary two’s compliment.
Input Overvoltage Protection
- ± 25 V with power on, ± 40 V with power off.
Common Mode Rejection Ratio (60 Hz)
- 96dB typical.
Channel-to-Channel Rejection Ratio (60 Hz)
- 96dB typical.
Conforms to PCIe Base Specification
- Revision 2.1.
Lanes
- 1 lane in each direction.
Bus Speed
- 2.5 Gbps (Generation 1).
Memory
- 128k space required.
- 1 base address register.
Operating Temperature
- -40° to 70° C.
- -40° to 85° C. (requires an AcroPack heatsink conduction-cool kit)
Storage Temperature
- -55° to 125° C.
Relative Humidity
- 5 to 95 % non-condensing.
Isolation Voltage
- 250 V field I/O to FPGA logic
- 60 V field I/O to field I/O
Length
- 70 mm.
Width
- 30 mm
AcroPack® Modules
- AP342E-LF 14-bit ADC simultaneous sample and hold.