Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
View All Product from Analog Devices Inc.4–20 mA, 0–20 mA Output Ranges
The AD694 is a monolithic current transmitter that acceptshigh level signal inputs to drive a standard 4–20 mA currentloop for the control of valves, actuators, and other devices com-monly used in process control. The input signal is buffered byan input amplifier that can be used to scale the input signal orbuffer the output from a current mode DAC. Precalibrated in-put spans of 0 V to 2 V and 0 V to 10 V are selected by simplepin strapping; other spans may be programmed with externalresistors.The output stage compliance extends to within 2 V of VS andits special design allows the output voltage to extend belowcommon in dual supply operation. An alarm warns of an open4–20 mA loop or noncompliance of the output stage.Active laser trimming of the AD694’s thin film resistors resultsin high levels of accuracy without the need for additional adjust-ments and calibration. An external pass transistor may be usedwith the AD694 to off-load power dissipation, extending thetemperature range of operation.The AD694 is the ideal building block for systems requiringnoise immune 4–20 mA signal transmission to operate valves,actuators, and other control devices, as well as for the transmis-sion of process parameters such as pressure, temperature, orflow. It is recommended as a replacement for discrete designs ina variety of applications in industrial process control, factoryautomation, and system monitoring.The AD694 is available in hermetically sealed, 16-pin CERDIPand plastic SOIC, specified over the –40°C to +85°C industrialtemperature range, and in a 16-pin plastic DIP, specified overthe 0°C to +70°C temperature range.One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
TYPE | DESCRIPTION | Select all |
---|---|---|
Package / Case | 16-SOIC (0.295", 7.50mm Width) | |
Series | - | |
Supplier Device Package | 16-SOIC | |
Package | Tape & Reel (TR) | |
Product Status | Active | |
Programmable | Not Verified | |
Type | Current Transmitter | |
Input Type | Voltage | |
Output Type | Voltage | |
Current - Supply | 23 mA | |
Operating Temperature | -40°C ~ 85°C | |
Mounting Type | Surface Mount |
Analog Devices Inc.
Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.
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