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ADI AD694BRZ-REEL product image
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ADI AD694BRZ-REEL

Manufacturer
MPN
AD694BRZ-REEL
LCSC Part #
C650550
Packaging
SOIC-16-300mil
Customer #
Key Attributes
SOIC-16-300mil Sensor and Detector Interfaces RoHS
DatasheetADI AD694BRZ-REEL
RoHS Compliance1 documents available
Alternative Parts2
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QtyUnit Price(Reference Only)Total Amount
1+$ 27.0808$ 27.08
200+$ 10.4804$ 2096.08
500+$ 10.1124$ 5056.20
1,000+$ 9.93$ 9930.00
Standard Packaging1000/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Interface/Sensor and Detector Interfaces
ManufacturerADI
PackagingSOIC-16-300mil
FeaturesProgrammable gain;Built-in reference source
Supply Current (Iq)1.5mA
Operating Temperature-40℃~+85℃
Interface-
Voltage - Supply4.5V~36V
The Chip TypeV-IConverter
Number of Channels-
Resolution (Bits)12;-

Introduction

AI Translation

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 resistors. 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 - 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.

Features

AI Translation
  • 4 - 20 mA, 0 - 20 mA Output Ranges
  • Precalibrated Input Ranges: 0 V to 2 V, 0 V to 70 V
  • Precision Voltage Reference Programmable to 2.000 V or 10.000 V
  • Single or Dual Supply Operation
  • Wide Power Supply Range: 4.5 V to 36 V
  • Wide Output Compliance
  • Input Buffer Amplifier
  • Open - Loop Alarm
  • Optional External Pass Transistor to Reduce Self - Heating Errors
  • 0.002% Typ Nonlinearity

Alternative Parts

MPNManufacturerPackagingAvailabilityUnit Price
AD694BRZ-REEL7ADISOIC-16-300mil0$ 42.5721
AD694BRZADISOIC-16-300mil0$ 26.4781