Product Information

AD694ARZ-REEL

Product Image X-ON

Datasheet
Instrumentation Amplifiers IC 4-20mA Mono Current Transmitter
Manufacturer: Analog Devices



Price (USD)

1: USD 16.9706 ea
Line Total: USD 16.9706

569 - Global Stock
Ships to you between
Tue. 11 Apr to Fri. 14 Apr
MOQ: 1 Multiples:1
Pack Size :   1
Availability Price Quantity
447 - Global Stock


Ships to you between
Tue. 11 Apr to Fri. 14 Apr

MOQ : 1
Multiples : 1

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AD694ARZ-REEL
Analog Devices

1 : USD 16.9706
10 : USD 14.9648
30 : USD 13.743
100 : USD 11.5012

     
Manufacturer
Analog Devices
Product Category
Instrumentation Amplifiers
RoHS - XON
Y Icon ROHS
Series
Ad694
Number of Channels
1 Channel
Operating Supply Voltage
4.5 V To 36 V
CMRR - Common Mode Rejection Ratio
80 Db
Maximum Input Resistance
5 mOhms
Operating Supply Current
1.5 mA
Ib - Input Bias Current
5 nA
Vos - Input Offset Voltage
150 uV
Supply Voltage - Max
36 V
Supply Voltage - Min
4.5 V
Minimum Operating Temperature
- 40 C
Maximum Operating Temperature
+ 85 C
Mounting Style
Smd/Smt
Package / Case
SOIC - 16
Packaging
Reel
Amplifier Type
Buffer Amplifiers
Input Type
Buffer
Operating Temperature Range
- 40 C To + 85 C
Product
Operational Amplifiers
Brand
Analog Devices
Shutdown
No Shutdown
Gbp - Gain Bandwidth Product
300 Khz
Ios - Input Offset Current
1 nA
Output Current Per Channel
20 mA
Psrr - Power Supply Rejection Ratio
80 dB
Single Supply Voltage
4.5 V To 36 V
Factory Pack Quantity :
1000
Supply Current Per Channel
1.5 mA
Height
2.35 mm (Max)
Length
10.5 mm (Max)
Supply Type
Single
Cnhts
8542319000
Hts Code
8542390001
Mxhts
85423901
Product Type
Instrumentation Amplifiers
Subcategory
Amplifier Ics
Taric
8542399000
Vcm - Common Mode Voltage
0 V To 10 V
Brand Category
Analog Devices
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a 420 mA Transmitter AD694 FUNCTIONAL BLOCK DIAGRAM FEATURES 420 mA, 020 mA Output Ranges Precalibrated Input Ranges: 0 V to 2 V, 0 V to 10 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 PRODUCT DESCRIPTION PRODUCT HIGHLIGHTS The AD694 is a monolithic current transmitter that accepts 1. The AD694 is a complete voltage in to 420 mA out current high level signal inputs to drive a standard 420 mA current transmitter. loop for the control of valves, actuators, and other devices com- 2. Pin programmable input ranges are precalibrated at 0 V to monly used in process control. The input signal is buffered by 2 V and 0 V to 10 V. an input amplifier that can be used to scale the input signal or 3. The input amplifier may be configured to buffer and scale the buffer the output from a current mode DAC. Precalibrated in- input voltage, or to serve as an output amplifier for current put spans of 0 V to 2 V and 0 V to 10 V are selected by simple output DACs. pin strapping other spans may be programmed with external 4. The output voltage compliance extends to within 2 V of the resistors. positive supply and below common. When operated with a The output stage compliance extends to within 2 V of V and S 5 V supply, the output voltage compliance extends 30 V be- its special design allows the output voltage to extend below low common. common in dual supply operation. An alarm warns of an open 5. The AD694 interfaces directly to 8-, 10-, and 12-bit single 420 mA loop or noncompliance of the output stage. supply CMOS and bipolar DACs. Active laser trimming of the AD694s thin film resistors results 6. The 4 mA zero current may be switched on and off with a in high levels of accuracy without the need for additional adjust- TTL control pin, allowing 020 mA operation. ments and calibration. An external pass transistor may be used 7. An open collector alarm warns of loop failure due to open with the AD694 to off-load power dissipation, extending the temperature range of operation. wires or noncompliance of the output stage. 8. A monitored output is provided to drive an external pass The AD694 is the ideal building block for systems requiring transistor. The feature off-loads power dissipation to extend noise immune 420 mA signal transmission to operate valves, the temperature range of operation and minimize self-heating actuators, and other control devices, as well as for the transmis- error. sion 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 40C to +85C industrial temperature range, and in a 16-pin plastic DIP, specified over the 0C to +70C temperature range. REV. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. use, nor for any infringements of patents or other rights of third parties that Tel: 781/329-4700 www.analog.com may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Fax: 781/326-8703 Analog Devices, Inc., 2002AD694SPECIFICATIONS ( +25 C, R = 250 , and V = +24 V, unless otherwise noted.) L S Model AD694JN/AQ/AR AD694BQ/BR Min Typ Max Min Typ Max Unit INPUT CHARACTERISTICS Input Voltage Range 0.2 V 2.0 V V 2.5 V 0.2 V 2.0 V V 2.5 V V S S S S Input Bias Current Either Input, T to T 1.5 5 1.5 5 nA MIN MAX Offset Current, T to T 0.1 1 0.1 1 nA MIN MAX Offset Current Drift 1.0 5.0 1.0 5.0 pA/C Input Impedance 5 5 M OUTPUT CHARACTERISTICS Operating Current Range 0 23 0 23 mA Specified Performance 4 20 4 20 mA Output Voltage Compliance V 36 V V 2 V V 36 V V 2 V V S S S S Output Impedance, 420 mA 40.0 50.0 40.0 50.0 M Current Limit ( 2 FS Overdrive 24 44 24 44 mA Slew Rate 1.3 1.3 mA/s 1 SPAN AND ZERO ACCURACY 2 4 mA Offset Error 0 V Input Error from 4.000 mA, 4 mA On 10 20 5 10 A Error from 0.000 mA, 4 mA Off 0 +10 +20 0+5 +10 A T to T 10 40 5 20 A MIN MAX vs. Supply (2 V Span/10 V Span) 0.3/0.05 0.8/0.4 0.3/0.05 0.8/0.4 A/V Trim Range, 4 mA Zero 2.0 4.8 2.0 4.8 mA Span Nominal Transfer Function Input FS = 2 V 8.0 8.0 mA/V Input FS = 10 V 1.6 1.6 mA/V Transfer Function Error from Nom, Input FS = 2 V, 10 V 0.1 0.3 0.05 0.15 % of Span T to T 0.002 0.005 0.001 0.0025 % of Span/C MIN MAX vs. Supply 0.001 0.005 0.001 0.005 % of Span/V 3 Nonlinearity 0.005 0.015 0.001 0.005 % of Span 4 mA On: Max Pin 9 Voltage 0.8 0.8 V 4 mA Off: Min Pin 9 Voltage 3.0 2.5 3.0 2.5 V VOLTAGE REFERENCE Output Voltage: 10 V Reference 9.960 10.000 10.040 9.980 10.000 10.020 V Output Voltage: 2 V Reference 1.992 2.000 2.008 1.996 2.000 2.004 V 4 T to T 30 50 20 30 ppm/C MIN MAX vs. Load, V = 2 V, 10 V 0.15 0.50 0.15 0.50 mV/mA REF vs. Supply, V = 2 V, 10 V 0.001 0.005 0.001 0.005 %/V REF Output Current Source 5 5mA Sink 0.2 0.2 mA ALARM CHARACTERISTICS V 2.5 mA 0.35 0.35 V CE(SAT) Leakage Current 1 1 A Alarm Pin Current (Pin 10) 20 20 mA POWER REQUIREMENTS Specified Performance 24 24 V Operating Range 2 V FS, V = 2 V 4.5 36 4.5 36 V REF 2 V, 10 V FS, V = 2 V, 10 V 12.5 36 12.5 36 V REF Quiescent Current, 4 mA Off 1.5 2.0 1.5 2.0 mA TEMPERATURE RANGE 5 Specified Performance AD694AQ/BQ/AR/BR 40 +85 40 +85 C AD694JN 0 +70 0 +70 C Operating AD694AQ/BQ/AR/BR 55 +125 55 +125 C AD694JN 40 +85 40 +85 C 2 REV. B

Tariff Desc

8542.33.00 43 No -- Amplifiers

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits Digital.
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