• AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
  • AD694ARZ
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The AD694 is a monolithic current transmitter that accepts high level signal inputs to drive a standard 4-20 mA current loop for the control of valves, actuators, and other devices commonly used in process control. The input signal is buffered by an input amplifier that can be used to scale the input signal or buffer the output from a current mode DAC. Precalibrated input spans of 0 V to 2 V and 0 V to 10 V are selected by simple pin strapping; other spans may be programmed with external resistor. The output stage compliance extends to within 2 V of VS and its special design allows the output voltage to extend below common in dual supply operation. An alarm warns of an open 4-to-20 mA loop or noncompliance of the output stage. Active laser trimming of the AD694's thin film resistors results in high levels of accuracy without the need for additional adjustments and calibration. An external pass transistor may be used with the AD694 to off-load power dissipation, extending the temperature range of operation. The AD694 is the ideal building block for systems requiring noise immune 4-20 mA signal transmission to operate valves, actuators, and other control devices, as well as for the transmission of process parameters such as pressure, temperature, or flow. It is recommended as a replacement for discrete designs in a variety of applications in industrial process control, factory automation, and system monitoring. The AD694 is available in hermetically sealed, 16-pin cerdip and plastic SOIC, specified over the -40°C to +85°C industrial temperature range, and in a 16-pin plastic DIP, specified over the 0°C to +70°C temperature range.

Количество в упаковке47
КорпусSOIC-16W
Вес0.805 г
supply_voltage_dc36.0 V (max)
rohs_statusCompliant
reach_svhc_complianceNo SVHC
lead_free_statusContains Lead
mounting_styleSurface Mount
packagingCut Tape (CT)
case_packageSOIC
bandwidth300 kHz
supply_current2.00 mA
lifecycle_statusActive
pin_count16
No. of Amplifiers3 Amplifier
Input Bias Current1.5nA
Amplifier Case StyleSOIC
No. of Pins16Pins
Operating Temperature Min-40 C
Operating Temperature Max85 C
Bandwidth300kHz
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