ad8205yc-pt Analog Devices, Inc., ad8205yc-pt Datasheet
ad8205yc-pt
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ad8205yc-pt Summary of contents
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... V+ causes the output to be unipolar starting near V+. Other offsets can be obtained by applying an external voltage to the V 1 and V 2 pins. REF REF One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. AD8205 OUT REF V 2 ...
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AD8205 TABLE OF CONTENTS Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. 5 Typical Performance Characteristics ............................................. 6 Theory of Operation ........................................................................ 8 Output Offset Adjustment............................................................... 9 Unidirectional Operation............................................................ 9 Ground Referenced Output ........................................................ ...
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SPECIFICATIONS T = Operating Temperature Range Table 1. Parameter GAIN Initial Accuracy Accuracy Over Temperature Gain vs. Temperature VOLTAGE OFFSET Offset Voltage (RTI) Over Temperature (RTI) Offset Drift INPUT Input Impedance Differential Common Mode Input Voltage Range ...
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AD8205 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Rating Supply Voltage 12.5 V Continuous Input Voltage − +68 V Reverse Supply Voltage 0.3 V Operating Temperature Range −40°C to +125°C Storage Temperature −65 to +150C Output Short-Circuit Duration Indefinite ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Figure 2. Metallization Diagram –IN 1 GND REF CONNECT Figure 3. Pin Configuration Table 3. Pin Function Descriptions Pin No. Mnemonic 1 −IN 2 GND 3 ...
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AD8205 TYPICAL PERFORMANCE CHARACTERISTICS 500 400 300 200 100 TYP. V (DIE) OSI 0 –100 TYP. V –200 –300 –400 –500 –40 – TEMPERATURE (°C) Figure 4. Typical Offset Drift 120 110 100 ...
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Figure 10. Differential Overload Recovery (Rising) 2V/DIV 0.01%/DIV Figure 11. Settling Time 50V/DIV 50mV/DIV 2µs/DIV 40µs/DIV Rev Page AD8205 1µs/DIV Figure 12. Common-Mode Response ...
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AD8205 THEORY OF OPERATION The AD8205 is a single-supply difference amplifier that uses a unique architecture to accurately amplify small differential cur- rent shunt voltages in the presence of rapidly changing common- mode voltages offered in both packaged ...
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OUTPUT OFFSET ADJUSTMENT The output of the AD8205 can be adjusted for unidirectional or bidirectional operation. UNIDIRECTIONAL OPERATION Unidirectional operation allows the AD8205 to measure cur- rents through a resistive shunt in one direction. The basic modes for unidirectional operation ...
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AD8205 EXTERNAL REFERENCE OUTPUT Tying both pins together and to a reference produces an output at the reference voltage when there is no differential input (see Figure 16). The output moves down from the reference voltage when the input is ...
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APPLICATIONS A typical application for the AD8205 is high-side measurement of a current through a solenoid for PWM control of the sole- noid opening. Typical applications include hydraulic transmis- sion control and diesel injection control. Two typical circuit configurations are ...
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... AD8205YR −40°C to +125°C AD8205YR-REEL −40°C to +125°C AD8205YR-REEL7 −40°C to +125°C AD8205YCSURF −40°C to +150°C © 2004 Analog Devices, Inc. All rights reserved. Trademarks and regis- tered trademarks are the property of their respective owners. 5.00 (0.1968) 4.80 (0.1890) ...