UniDAQ Processor-Board UniDAQ2.DSP-ADDA

UniDAQ2 is a versatile data acquisition and processing system for industrial applications, scientific research and education.

16 simultanously sampled analog inputs with excellent performance and low latency make UniDAQ2 ideally suited for high-precision measurements of dynamic signals and control loops. Eight analog outputs control actuators, generate stimuli signals, references or monitor internal processing states.

UniDAQ2 is a versatile data acquisition and processing system for industrial applications, scientific research and education.

16 simultaneously sampled analog inputs with excellent performance and low latency make UniDAQ2 ideally suited for high-precision measurements of dynamic signals and control loops. Eight analog outputs control actuators, generate stimuli signals, references or monitor internal processing states.

Application Areas

  • vibration analysis and machine monitoring
  • acoustic measurements, microphone array processing
  • servo control and positioning systems
  • measuring devices for research, development, and test stands
  • laboratory equipment for education classrooms

Key Features

  • 16 simultaneously sampling SAR A/D converters, 16-bit, 175kS/s
  • 8 inherent monotonic D/A converters, 16-bit, 105kS/s
  • internal or external sampling triggers for ADC and DAC
  • 456 MHz floating-point DSP (TMS320C6747) with 64 Mbytes SDRAM
  • USB2.0 Device Port and 100Base-T Fast Ethernet
  • expansion port for mass storage, fieldbusses, display, GPIO, FPGA, etc.
  • isolation barrier between analog and digital circuits
  • single-supply power 5-18V, typ. 3W
Number of Channels16 single-ended (8 differential), simultaneous sampling
ADC Resolution16 bits
Type of ADCSuccessive approximation register (SAR)
Sampling Rate0 – 175 kS/s, internal or external sampling clock
Input Range±5 V and ±10 V, programmable
Input CouplingDC
Input Impedance1 MOhm || 10pF
Input Leakage1.5µA typ.
Overvoltage Protection±36 V, Input current during overvoltage conditions max ±10mA
Antialias Filter2nd order Butterworth, -3dB cutoff 15 kHz (±5V Range), 23 kHz (±10V Range)
DNL±0.5 LSB typ, < ±1 LSB max
INL±0.5 LSB typ, ±2 LSB max
Zero Error< 2 mV
Full Scale Error< 0.3%
Channel to Channel Phase Mismatch<0.1° at 1kHz, <0.5° at 10kHz input frequency
Crosstalk-115dB to adjacent channel, 10kHz full-scale input signal
Latency6 µs from sampling clock to ADC1,5,9,13 data available in DSP
10µs until all ADC channels are available in DSP
Dynamic Characteristics(input 1kHz sine, -1dB full scale, 100kS/s, no oversampling)
SINAD87 dB
THD-100 dB
SFDR108 dB

Output Characteristics

Number of Channels8 single-ended, simultaneous sampling or single-DAC update mode
DAC Resolution16 bits
Type of DACString DAC, inherently monotonic
Sampling Rate0 – 105 kS/s, internal or external sampling clock. Simultaneous sampling
synchronized to ADC or triggered by an independent clock source.
Settling Timefull scale step: 10us to 0.03%, 15us to 1LSB
Output Range±5 V and ±10 V, programmable
unipolar and asymmetric output range by programming the DAC offset register.
Gain and zero calibration registers per channel.
Startup Voltage0V
Output CouplingDC
Output Impedance50 Ohms
Current Drive±5mA, short-circuit limited to 70mA
Capacitive Drive20000pF
Antialias Filter2nd order Butterworth, -3dB at 50kHz
DNL±0.5 LSB typ, ±1 LSB max
INL±1.5 LSB typ, ±4 LSB max
Zero Error< 3 mV uncalibrated
Full Scale Error< 0.3% uncalibrated
Crosstalk-105dB to adjacent channel, 10kHz full-scale output signal
Dynamic Characteristics(output 1kHz sine, -1dB full scale, 100kS/s)
SINAD74 dB
THD-74 dB
SFDR75 dB

Trigger Inputs

Number of Channels2
Input Range3.3V and 5V TTL/CMOS compatible, Overvoltage Protection: ±36 V,
Input current during overvoltage conditions max ±10mA
UsageADC conversion start
DAC update
Pre- or post trigger event to DSP and/or Expansion Board
Capture inputs (frequency, pulse width, duty cycle)
Quadrature input (relative rotation angle and speed)

Trigger Outputs

Number of Channels1
Output Range3.3V LVTTL, 5V TTL/CMOS compatible
Output Impedance50 Ohms
UsageADC sampling clock output
Trigger event or clock output from DSP and/or Expansion Board

Communication Ports

Ethernet1 Port, 100 MBit/s, full-duplex, RJ45
USB2.01 Port, 480 MBit/s, Typ B (device)

Signal Processing

DSPTexas Instruments TMS320C6747, 456 MHz, optional: OMAP-L137 DSP + ARM9
Memory32 Kbytes L1 Program RAM/Cache
32 Kbytes L1 Data RAM/Cache
256 Kbytes L2 RAM/Cache
128 Kbytes L3 RAM
64 Mbytes SDRAM, 133 MHz
8 Mbytes non-volatile Flash Memory

Debugging Ports

JTAGTI in-circuit emulator, 14-pin header, 2.54mm pitch
Debug UART1 x RS232, TxD and RxD, 3pin KK-connector 2.54mm pitch

Expansion Port

Connector80-pin, 0.8mm pitch
SignalsDSP EMIFA * (asynchronous parallel bus and NAND-Flash support)
DSP UHPI * (parallel host processor interface)
DSP SD/MMC * (eMMC or SD-Card expansion)
DSP LCDC * (LCD Controller)
* These signals share the same pins. With the exception of the LCD + SD/MMC
combination, usage is mutually exclusive.
4 x GPIO, unused signals of the above interfaces can be used as additional GPIO
1 x SPI
1 x I2C
Trigger Signals (2 x in, 3 x out)
Power Supply 3.3V and VIN (5 to 18V)

Power Supply

Supply Voltage5 – 18V ±5%, reverse-polarity protected
Power Consumption3W typical

Isolation

max. Voltage350VAC / 500VDC between analog GND and digital GND / power supply

Mechanics

SizeEurocard, 160 x 100 x 15 mm

Operating Conditions

Ambient Temperature0-70°C
Humiditymax. 95% rel., non condensing
UniDAQ2.DSP-ADDAStandard board
DSW.UniDAQSupport software package for UniDAQ2.DSP-ADDA, including free support via phone or e-mail
DK.UniDAQ2Complete stand alone UniDAQ2.DSP-ADDA development kit, including free support via phone or e-mail
DS.TCPIP-UniDAQ2Ethernet development package
UniDAQ.EXP1UniDAQ expansion board for LCD TFT display, SD memory card slot, battery-buffered real-time clock
DK.UniDAQ.EXP1support package for UniDAQ.EXT1, including TFT display, support software, FAT file system, free support via phone or e-mail
  • UniDAQ2.DSP-ADDA with OMAP-L137 (DSP C6747 + ARM9) processor, replacing the TMS320C6747 DSP
  • UniDAQ3.DSP-ADDA: UniDAQ2.DSP-ADDA with 24-bit Sigma-Delta A/D converters, replacing the 16-bit SAR converters.

UniDAQ2.EXP1

The UniDAQ2.EXP1 expands a UniDAQ system with an LCD TFT display and touch screen interface, SD memory card slot, and a battery-buffered real-time clock.

Applications

  • Handheld measuring devices
  • User interface for machine monitoring
  • data logger
UniDAQ LCD TFT display and touch screen interface, SD memory card slot, and battery-buffered real-time clock

Custom expansion cards and connector panel for the UniDAQ system can be developed to customer specific requirements, including the following options:

  • 8 differential or 16 single-ended voltage inputs with PGA, 8 voltage or current sensor supplies
  • 8 bridge transducer inputs, shunt calibration, half-bridge extension, bridge excitation, TEDS,
  • 8 inputs for piezo-resistive accelerometers with IEPE and TEDS
  • 8 microphone inputs, PGA, TEDS, programmable current sources for CCP, ICP, IEPE, CCLD

In-circuit emulators

  • XDS200
  • XDS220
  • XDS220ISO
  • XDS560V2 System Trace
  • XDS560V2 LC Traveler
  • XDS560V2 STM Traveler

Code Generation Tools

  • Code Composer Studio

TCP/IP Stack

  • DS.TCPIP-UniDAQ4
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