AD820AR Analog Devices Inc, AD820AR Datasheet
AD820AR
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AD820AR Summary of contents
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FEATURES True single-supply operation Output swings rail-to-rail Input voltage range extends below ground Single-supply capability from Dual-supply capability from ±2 ±15 V Excellent load drive Capacitive load drive up to 350 pF Minimum ...
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AD820 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Pin Configurations ........................................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Absolute Maximum Ratings ............................................................ 9 Thermal Resistance ...................................................................... 9 ESD Caution .................................................................................. 9 Typical Performance ...
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SPECIFICATIONS 25° Table 1. Parameter DC PERFORMANCE Initial Offset Maximum Offset over Temperature Offset Drift Input Bias Current At T MAX Input Offset ...
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AD820 Parameter OUTPUT CHARACTERISTICS 2 Output Saturation Voltage V − MIN MAX V − MIN MAX V − MIN MAX V − ...
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V = ± 25° OUT Table 2. Parameter DC PERFORMANCE Initial Offset Maximum Offset over Temperature Offset Drift Input Bias Current At T MAX Input Offset Current At ...
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AD820 Parameter OUTPUT CHARACTERISTICS 2 Output Saturation Voltage V − MIN MAX V − MIN MAX V − MIN MAX V − ...
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V = ± 25° OUT Table 3. Parameter DC PERFORMANCE Initial Offset Maximum Offset over Temperature Offset Drift Input Bias Current At T MAX Input Offset Current At ...
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AD820 Parameter OUTPUT CHARACTERISTICS 2 Output Saturation Voltage V − MIN MAX V − MIN MAX V − MIN MAX V − ...
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ABSOLUTE MAXIMUM RATINGS Table 4. Parameter Supply Voltage Internal Power Dissipation 8-Lead PDIP (N) 8-Lead SOIC_N (R) 8-Lead MSOP (RM) 1 Input Voltage Output Short-Circuit Duration Differential Input Voltage Storage Temperature Range 8-Lead PDIP (N) 8-Lead SOIC_N (R) 8-Lead MSOP ...
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AD820 TYPICAL PERFORMANCE CHARACTERISTICS –0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 OFFSET VOLTAGE (mV) Figure 4. Typical Distribution of Offset Voltage (248 Units –10 –8 –6 –4 ...
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V = ±15V 1M S 100k 10k 100 1k 10k LOAD RESISTANCE (Ω) Figure 10. Open-Loop Gain vs. Load Resistance 10M = 100kΩ 10kΩ 100k = 600Ω 10k –60 –40 –20 ...
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AD820 100 80 60 GAIN 2kΩ 100pF L –20 10 100 1k 10k 100k FREQUENCY (Hz) Figure 16. Open-Loop Gain and Phase Margin vs. Frequency ...
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I SOURCE I = 10mA SINK 100 I SOURCE I = 1mA SINK I SOURCE 10µA SINK 1 –60 –40 – TEMPERATURE (ºC) Figure 22. Output Saturation Voltage vs. Temperature 80 70 ...
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AD820 +V S 0.01µ AD820 – 0.01µF – –V S Figure 27. Unity-Gain Follower, Used for Figure 28 Through Figure 32 5V 100 Figure 28. 20 ...
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S 0.01µ AD820 2 R – Figure 33. Unity-Gain Follower, Used for Figure 34 10mV 100 GND Figure 34 Unity-Gain Follower Response ...
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AD820 APPLICATIONS INFORMATION INPUT CHARACTERISTICS In the AD820, N-channel JFETs are used to provide a low offset, low noise, high impedance input stage. Minimum input common- mode voltage extends from 0.2 V below – Driving the input voltage ...
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OUTPUT CHARACTERISTICS The AD820 unique bipolar rail-to-rail output stage swings within the negative supply and the positive supply with no external resistive load. The approximate output saturation resistance of the AD820 is 40 Ω ...
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AD820 noninverting input of Amplifier A2 sees the ground level output of A1; therefore, A2 operates as a unity-gain inverter. The output at Node C is then a full-wave rectified version of the input. Node buffered half-wave ...
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OFFSET VOLTAGE ADJUSTMENT The offset voltage of the AD820 is low, so external offset voltage nulling is not usually required. Figure 46 shows the recommended technique for the AD820 packaged in plastic DIP. Adjusting offset voltage in this manner changes ...
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AD820 OUTLINE DIMENSIONS 0.210 (5.33) MAX 0.150 (3.81) 0.130 (3.30) 0.115 (2.92) 0.022 (0.56) 0.018 (0.46) 0.014 (0.36) CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE ...
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... AD820AR-REEL7 −40°C to +85°C AD820ARZ −40°C to +85°C AD820ARZ-REEL −40°C to +85°C AD820ARZ-REEL7 −40°C to +85°C AD820ARMZ −40°C to +85°C AD820ARMZ-RL −40°C to +85°C AD820ARMZ-R7 −40°C to +85°C AD820BR −40°C to +85°C AD820BR-REEL − ...
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AD820 NOTES Rev Page ...
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NOTES Rev Page AD820 ...
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AD820 NOTES ©1996–2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00873-0-3/11(H) Rev Page ...