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The 4 mA Adj. An alarm warns datasheey an open 4—20 mA loop or noncompliance of the output stage. Results from those tests are used to calculate outgoing quality levels. In general, if R A is rounded up, then R C should be.
Search Results for AD694 : 2 documents found
Input signals should not drive Pin 1 FB directly; always use. Buffer amplifier offset and drift already included in Span and Zero accuracy specs above. I OUT max may be the max expected operating cur. No pin may be. Product Details The AD is a monolithic current transmitter that accepts high level signal inputs to drive a standard mA current loop for the control of valves, actuators, and other devices commonly used in process control.
I OUT if a pass transistor. Output Voltage Pin 1, FB 1.
Optional External Pass Transistor to Reduce. The precalibrated 2 V full-scale range requires a different ad. The AD is the ideal building block for systems requiring add694 immune mA signal transmission to dattasheet valves, actuators, and other control devices, as well as for the transmission of process parameters such as pressure, temperature, or flow.
The device is powered com. I think we have to short 10v force and 2V sense?? B Information furnished by Analog Devices is believed to be accurate and reliable. Active laser trimming of the AD’s thin film resistors results. Articles Top Articles Search resources.
It is recommended that frequencies greater than the BW of the. Min Pin 9 Voltage. The Purchase button will be displayed datssheet model is available for purchase online at Analog Devices or one of our authorized distributors. Information furnished by Analog Devices is believed to be accurate and.
Pin 1 across resistors R1 and R2 by driving the Darlington tran. R B where R B is greater than 5 K. The AD interfaces directly to 8-,and bit single.
If desired, the 2 V reference. An open collector alarm warns add694 loop failure due to open wires or noncompliance of the output stage. For example, assume that the part is operating with a V S of 24 V.
AD Datasheet pdf – mA Monolithic Current Transmitter – Analog Devices
For this reason, span, offset, and nonlinearity are. The buffer amplifier PNP inputs. Shorting this pin to. Maximum R L vs. The input amplifier may be configured to buffer and scale the input voltage, or to serve as an output amplifier for current output DACs. Package Description The package for this IC i.
The 10 V reference of the AD supplies reference input of dafasheet.
No pin, other than I OUT 11 and? No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. An external pass transistor may be used with the AD to off-load power dissipation, extending the temperature range of operation.
There are two ad94 for programming input spans less than.
A 12 bit input to 4? Please consult the datasheet for more information.
Help with AD694 0-10V to 4-20mA V-I Convertor
An external pass transistor may be used. International prices may differ due to local duties, taxes, fees and exchange rates. The output stage is current-limited at approximately 38 mA to. For example, assume the 2 V reference option has been.
The value of R C can be rounded to the more convenient value of. To handle bipolar differential signals V IN is positive. The zero may be adjusted. The 10 V option is available for. Wide Power Supply Range: The package for this IC i. An alarm warns of an open. The die temperature must. The gain of the in amp. In general, if the value of R P is rounded.
The input amplifier may be configured to buffer and scale the.