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AD693AD +BOM

Instrumentation Amplifiers 4-20MA SENSOR/TRANSMITTER

Produttore:

Analog Devices, Inc
ProduttorePart #:

AD693AD
Scheda dati:

AD693AD Scheda dati (PDF)
Programmable:

Not Verified
Type:

Signal Conditioner
Input Type:

Voltage
Output Type:

Voltage
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per AD693AD

E-mail: [email protected]

Skype: live:.cid.ab6b29428937b76

tel: +852 95804164

AD693AD Descrizione generale

The AD693 is a monolithic signal conditioning circuit which accepts low-level inputs from a variety of transducers to control a standard 4-20 mA, two-wire current loop. An on-chip voltage reference and auxiliary amplifier are provided for transducer excitation; up to 3.5 mA of excitation current is available when the device is operated in the loop-powered mode. Alternatively, the device may be locally powered for three-wire applications when 0-20 mA operation is desired.

Precalibrated 30 mV and 60 mV input spans may be set by simple pin strapping. Other spans from 1 mV to 100 mV may be realized with the addition of external resistors. The auxiliary amplifier may be used in combination with on-chip voltages to provide six precalibrated ranges for 100 (ohm) RTDs. Output span and zero are also determined by pin strapping to obtain the standard ranges: 4-20mA, 12 ± 8 mA and 0-20 mA.

Active laser trimming of the AD693's thin-film resistors result in high levels of accuracy without the need for additional adjustments and calibration. Total unadjusted error is tested on every device to be less than 0.5% of full scale at +25°C, and less than 0.75% over the industrial temperature range. Residual nonlinearity is under 0.05%. The AD693 also allows for the use of an external pass transistor to further reduce errors caused by self-heating.

For transmission of low-level signals from RTDs, bridges and pressure transducers, the AD693 offers a cost-effective signal conditioning solution. It is recommended as a replacement for discrete designs in a variety of applications in process control, factory automation and system monitoring.

The AD693 is packaged in a 20-pin ceramic side-brazed DIP, 20-pin Cerdip, and 20-pin LCCC and is specified over the -40°C to +85°C industrial temperature range.

Caratteristiche principali

The AD693AD features temperature compensation
A current output stage with a range of ±20mA and self-calibration capabilities
It is a monolithic signal conditioning circuit designed for bridge sensors

Applicazione

The AD693 is versatile
used in various industries
a reliable choice

Specifiche

Category	Integrated Circuits (ICs)InterfaceSensor and Detector Interfaces	Series	-
Programmable	Not Verified	Type	Signal Conditioner
Input Type	Voltage	Output Type	Voltage
Current - Supply	20 mA	Operating Temperature	-40°C ~ 85°C
Mounting Type	Through Hole	Base Product Number	AD693

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Valutazioni e recensioni

Di più

J**n 03/30/2022

Came with pin header not soldered to the board, but it is even better for safety during transportation. High quality of assembly, but unfortunately had no chance to check its operation.

S**a 04/13/2021

Excellent quality, very fast delivery!

B**n 03/09/2021

Connected to the raspberry pi 3, stitched without debugger (using raspberry), bought immediately the cable, earned with iobroker. Super!

Z**y 02/05/2021

It works properly. Thank you salesman. Time will indicate its quality