AD620AR Analog Devices Inc, AD620AR Datasheet
AD620AR
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AD620AR Summary of contents
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FEATURES Easy to use Gain set with one external resistor (Gain range 1 to 10,000) Wide power supply range (±2 ±18 V) Higher performance than 3 op amp IA designs Available in 8-lead DIP and SOIC packaging Low ...
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AD620 TABLE OF CONTENTS Specifications .....................................................................................3 Absolute Maximum Ratings ............................................................5 ESD Caution ..................................................................................5 Typical Performance Characteristics ..............................................7 Theory of Operation .......................................................................13 Gain Selection..............................................................................16 Input and Output Offset Voltage ..............................................16 Reference Terminal .....................................................................16 REVISION HISTORY 12/04—Rev Rev. G Updated ...
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SPECIFICATIONS Typical @ 25° ±15 V, and kΩ, unless otherwise noted Table 1. Parameter Conditions GAIN (49.4 kΩ/R Gain Range ±10 V Gain Error OUT G ...
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AD620 Parameter Conditions Common-Mode Rejection Ratio with 1 kΩ Source Imbalance ± 100 G = 1000 OUTPUT Output Swing R ...
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ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage 1 Internal Power Dissipation Input Voltage (Common-Mode) Differential Input Voltage Output Short-Circuit Duration Storage Temperature Range (Q) Storage Temperature Range (N, R) Operating Temperature Range AD620 (A, B) AD620 (S) Lead Temperature ...
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AD620 Figure 4. Metallization Photograph. Dimensions shown in inches and (mm). Contact sales for latest dimensions. Rev Page ...
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TYPICAL PERFORMANCE CHARACTERISTICS (@ 25° ± kΩ, unless otherwise noted SAMPLE SIZE = 360 –80 –40 0 INPUT OFFSET VOLTAGE ( µ V) Figure 5. Typical ...
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AD620 1000 100 FREQUENCY (Hz) Figure 11. Current Noise Spectral Density vs. Frequency TIME (1 SEC/DIV) Figure 12. 0 RTI Voltage Noise ( TIME (1 SEC/DIV) Figure 13. 0 ...
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G = 1000 120 100 0 100 1k 10k FREQUENCY (Hz) Figure 17. Positive PSR vs. Frequency, RTI (G = 1−1000) 180 160 140 120 100 0.1 ...
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AD620 ±15V 100 LOAD RESISTANCE ( Ω) Figure 23. Output Voltage Swing vs. Load Resistance . . . . . . . . . . . . . . ...
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AD620 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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THEORY OF OPERATION 20µ 20µ 10kΩ 10kΩ 400Ω – GAIN GAIN SENSE SENSE –V S Figure 38. Simplified Schematic of AD620 The AD620 is ...
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AD620 Regardless of the system in which it is being used, the AD620 provides greater accuracy at low power and price. In simple systems, absolute accuracy and drift errors are by far the most significant contributors to error. In more ...
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G = 100 499 Ω 3k Ω 3k Ω 1.7mA Figure 40. A Pressure Monitor Circuit that Operates Single Supply Pressure Measurement Although useful in many bridge applications, such as weigh ...
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AD620 Precision V-I Converter The AD620, along with another op amp and two resistors, makes a precision current source (Figure 42). The op amp buffers the reference terminal to maintain good CMR. The output voltage the AD620 ...
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+IN + AD620 C 499Ω – REF – 0.1µ F –15V Figure 43. Circuit to Attenuate RF Interference COMMON-MODE REJECTION Instrumentation amplifiers, such as the AD620, offer high CMR, which ...
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AD620 GROUND RETURNS FOR INPUT BIAS CURRENTS Input bias currents are those currents necessary to bias the input transistors of an amplifier. There must be a direct return path for these currents. Therefore, when amplifying “floating” input sources, such as ...
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OUTLINE DIMENSIONS 0.400 (10.16) 0.365 (9.27) 0.355 (9.02 0.280 (7.11) 0.250 (6.35) 1 0.240 (6.10) 4 PIN 1 0.100 (2.54) BSC 0.060 (1.52) 0.210 MAX (5.33) MAX 0.015 0.150 (3.81) (0.38) 0.015 (0.38) MIN GAUGE 0.130 (3.30) PLANE ...
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... AD620 ORDERING GUIDE Model AD620AN 2 AD620ANZ AD620BN 2 AD620BNZ AD620AR 2 AD620ARZ AD620AR-REEL AD620ARZ-REEL 2 AD620AR-REEL7 AD620ARZ-REEL7 2 AD620BR 2 AD620BRZ AD620BR-REEL 2 AD620BRZ-RL AD620BR-REEL7 2 AD620BRZ-R7 AD620ACHIPS AD620SQ/883B Plastic DIP CERDIP SOIC Pb-free part. © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. ...