DS6221 A/D Board

Fast SCALEXIO A/D Board for precise measurements

With its accurate high-speed analog channels and versatile trigger capabilities, the DS6221 is an excellent fit for precise measurements, even of fast analog signals sequences, in various applications areas. It can be used for scenarios such as the development and testing of electric drives applications or vibration and noise cancellation applications as well as for high volume data acquisition in test bench scenarios.

Technical Details

Parameter Specification
General
  • 16 A/D input channels (differential) with independent A/D converters
  • 250 ns ... 100 ms trigger interval (adjustable)
  • 8 external trigger input lines
  • +/- 60 V input overvoltage protection
  • Up to 40 MSPS max. total throughput1)
  • 1 x 50-pin Sub-D connector
A/D channels (Analog In 6)

 
  • Resolution
    • 16 bit
  • Conversion time
    • 250 ns
  • Input voltage range
    • +/- 10 V
  • Input voltage working range
    • +/- 12 V
  • Offset error
    • +/- 1 mV
  • Gain error
    • +/- 0.1 % of FSR
  • Input offset drift
    • +/- 20 µV/K
  • Gain drift
    • +/- 10 ppm/K
  • SNR (signal-to-noise ratio)
    • > 85 dB at 10 kHz
  • THD (total harmonic distortion)
    • -100 dB (typ., at 10 kHz, 25 °C)
    • -93 dB (typ., at 100 kHz, 25 °C) (for balanced signals)
  • -3 dB cutoff frequency
    • 1.9 MHz
  • Input impedance
    • 1 MOhm
Digital trigger input (Trigger In 1)
  • Input threshold voltage
    • 0 V ... 24 V
  • Hysteresis
    • 600 mV (typ.)
Interrupt controller
  • Start of conversion
  • End of conversion
External trigger input
  • Input voltage
    • 0 V ... 24 V
Internal communication interface
  • IOCNET (up to 2.5 Gbit/s link speed)
Physical size
  • 238 x 100 x 19 mm (9.4 x 4 x 0.8 in)
  • Requires 1 slot
Voltage supply
  • 24 V
Typical power consumption
  • 14.4 W

1) Depends on the SCALEXIO Processing Hardware and the system topology

 

Analog In 6 Channel Type

Functionality

Parameter

Specification

Analog voltage measurement

Input voltage range

-10 V … +10 V (differential, pin to pin)

Max. input voltage

±12 V (pin to ground)

Sample rate

0 ... 5 MS/s

Resolution

16 bit

Conversion time

250 ns

Offset error

±1 mV (at 25 °C)

Offset error drift

±20 µV/K (typ.)

Gain error

±0.1 % (at 25 °C)

Gain error drift

±10 ppm/K (typ.)

Signal-to-noise ratio (SNR)
  • 90 dB (typ., at 10 kHz, 25 °C)
  • 86 dB (typ., at 100 kHz, 25 °C) (for balanced signals)

Total harmonic distortion (THD)
  • -100 dB (typ., at 10 kHz, 25 °C)
  • -93 dB (typ., at 100 kHz, 25 °C) (for balanced signals)

-3 dB cutoff frequency

1.9 MHz

Input resistance

1 MΩ

Channel crosstalk
  • < -106 dB (typ., at 10 kHz, 25 °C)
  • < -91 dB (typ., at 100 kHz, 25 °C)

Common mode rejection ratio (CMRR)

85 dB (DC, at 25 °C)

Supported function blocks
  • Voltage In
  • Voltage Signal Capture

Channel multiplication

No

Failure routing unit (FRU)

No

 

Trigger In 1 Channel Type

Functionality

Parameter

Specification

Trigger voltage in

Input threshold voltage

0 V …  +23 V

Hysteresis

600 mV (typ.)

DAC resolution

8 bit

Supported function blocks

Trigger In

Channel multiplication

No

Failure routing unit (FRU)

No

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Further Information

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