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7707 CAL DU - 

Test Accessory, 20-channel, Differential Multiplexer Module, Calibrated with Data & Uncertainties

7707 CAL DU - Test Accessory, 20-channel, Differential Multiplexer Module, Calibrated with Data & Uncertainties

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Manufacturer Part No:
7707 CAL DU
Newark Part No.:
Technical Datasheet:
7707 CAL DU   Datasheet
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Product Information

Digital I/O Module
Keithley 2700, 2701 & 2750 Integra Series Mainframes
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Product Overview

The 7707 CAL DU from Keithley is a 32 channel digital I/O module with 10-channel differential multiplexer. This plug-in module offers 10 channels of 2 pole or 5 channels of 4 pole multiplexer switching that can be configured as two independent banks of multiplexers. The model 7707 also provides 32 digital input/output channels (four 8bit ports) for I/O control. It can connect to industry standard solid state relays to switch up to 980VA. This I/O module has contact resistance of less than 1W any path and additional 1W at end of contact life and contact potential of less than 6µV typical per contact pair and additional 5µV with channels 11 at 14 at rate VOUT(L). The offset current is less than 100pA and connector type is 5 pin male D-shell, channels 11 to 14/25 pin female D-shell, channels 1 to 10. The model 7707 can be used with Keithley models 2700, 2701 and 2750.
  • Calibrated with data and uncertainties 32 channel digital I/O module
  • 300V, 1A capacity, 60W, 125VA maximum (analogue)/33V, 100mA capacity (digital)
  • Conforms to European union directive 73/23/EEC EN 61010-1, CAT I
  • Digital outputs are short circuit protected, relay closures stored in onboard memory
  • Isolation between any two terminals is >109ohm, <100pF with isolation channels 16 and 17 open
  • Cross talk (10MHz, 50W load) is less than -35dB, temperature applications (RTD, thermistor)
  • Insertion loss (50W source, 50W load) is less than 0.1dB (below 1MHz), less than 3dB (below 2MHz)
  • 300VDC or 300Vrms common mode voltage (425V peak) for AC waveforms between any terminal and chassis
  • Latching electromechanical relay type, actuation time is less than 3ms
  • Operating temperature range from 0°C to 50°C, weight is less than 0.5Kg


7707 digital I/O module, Two mating IDC connectors.


When using IDC ribbon cable connections on the DB-25 (analogue inputs), do not exceed 42V on any analogue input in test system (including front panel inputs of the Model 27xx).

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