AD822ANZ Analog Devices Inc, AD822ANZ Datasheet

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AD822ANZ

Manufacturer Part Number
AD822ANZ
Description
IC OPAMP GP R-R 1.9MHZ DUAL 8DIP
Manufacturer
Analog Devices Inc
Datasheets

Specifications of AD822ANZ

Slew Rate
3 V/µs
Design Resources
16-Bit Fully Isolated 4 mA to 20 mA Output Module Using AD5662, ADuM1401, and External Amplifiers (CN0064)
Amplifier Type
General Purpose
Number Of Circuits
2
Output Type
Rail-to-Rail
Gain Bandwidth Product
1.9MHz
-3db Bandwidth
1.9MHz
Current - Input Bias
2pA
Voltage - Input Offset
400µV
Current - Supply
1.4mA
Current - Output / Channel
20mA
Voltage - Supply, Single/dual (±)
3 V ~ 36 V, ±1.5 V ~ 18 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Op Amp Type
Precision
No. Of Amplifiers
2
Bandwidth
1.8MHz
Supply Voltage Range
± 1.5V To ± 18V
Amplifier Case Style
DIP
No. Of Pins
8
Common Mode Rejection Ratio
80
Current, Input Bias
2 pA
Current, Input Offset
2 pA
Current, Output
20 mA
Harmonic Distortion
-85 dB
Impedance, Thermal
90 °C/W
Number Of Amplifiers
Dual
Package Type
PDIP-8
Resistance, Input
10^13 Ohms
Temperature, Operating, Range
-40 to +85 °C
Voltage, Input
+14 V
Voltage, Noise
25 nV/sqrt Hz
Voltage, Offset
0.4 mV
Voltage, Output, High
800 mV
Voltage, Output, Low
300 mV
Voltage, Supply
±15 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant

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Part Number
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Price
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AD
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FEATURES
True single-supply operation
High load drive
Excellent ac performance for low power
Good dc performance
Low noise
APPLICATIONS
Battery-powered precision instrumentation
Photodiode preamps
Active filters
12-bit to 14-bit data acquisition systems
Medical instrumentation
Low power references and regulators
Rev. I
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
800 μV maximum input offset voltage
2 μV/°C typical offset voltage drift
25 pA maximum input bias current
13 nV/√Hz @ 10 kHz
No phase inversion
Output swings rail-to-rail
Input voltage range extends below ground
Single-supply capability from 5 V to 30 V
Dual-supply capability from ±2.5 V to ±15 V
Capacitive load drive of 350 pF, G = +1
Minimum output current of 15 mA
800 μA maximum quiescent current per amplifier
Unity-gain bandwidth: 1.8 MHz
Slew rate of 3 V/μs
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
GENERAL DESCRIPTION
The AD822 is a dual precision, low power FET input op amp
that can operate from a single supply of 5 V to 30 V or dual
supplies of ±2.5 V to ±15 V. It has true single-supply capability
with an input voltage range extending below the negative rail,
allowing the AD822 to accommodate input signals below
ground in the single-supply mode. Output voltage swing
extends to within 10 mV of each rail, providing the maximum
output dynamic range.
Offset voltage of 800 μV maximum, offset voltage drift of 2 μV/°C,
input bias currents below 25 pA, and low input voltage noise
provide dc precision with source impedances up to a gigaohm.
The 1.8 MHz unity-gain bandwidth, –93 dB THD at 10 kHz,
and 3 V/μs slew rate are provided with a low supply current of
800 μA per amplifier.
Low Power FET-Input Op Amp
100
10
Single-Supply, Rail-to-Rail
1
10
Figure 2. Input Voltage Noise vs. Frequency
CONNECTION DIAGRAM
OUT1
©1993–2010 Analog Devices, Inc. All rights reserved.
–IN1
+IN1
Figure 1. 8-Lead PDIP (N Suffix);
V–
and 8-Lead SOIC_N (R Suffix)
8-Lead MSOP (RM Suffix);
1
2
3
4
100
FREQUENCY (Hz)
AD822
8
7
6
5
V+
OUT2
–IN2
+IN2
1k
www.analog.com
AD822
10k

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AD822ANZ Summary of contents

Page 1

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 High load drive Capacitive load drive of 350 pF ...

Page 2

AD822 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Connection Diagram ....................................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 4 Absolute Maximum Ratings .......................................................... 10 Thermal Resistance .................................................................... 10 Maximum Power Dissipation ................................................... 10 ESD ...

Page 3

The AD822 drives up to 350 pF of direct capacitive load as a follower and provides a minimum output current of 15 mA. This allows the amplifier to handle a wide range of load conditions. Its combination of ac and ...

Page 4

AD822 SPECIFICATIONS 25° Table 1. Parameter DC PERFORMANCE Initial Offset Maximum Offset Over Temperature Offset Drift Input Bias Current At T MAX Input ...

Page 5

Parameter Input Impedance Differential Common Mode OUTPUT CHARACTERISTICS 2 Output Saturation Voltage V − MIN MAX V − MIN MAX V − ...

Page 6

AD822 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 ...

Page 7

Parameter OUTPUT CHARACTERISTICS 2 Output Saturation Voltage V − MIN MAX V − MIN MAX V − MIN MAX V − V ...

Page 8

AD822 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 ...

Page 9

Parameter OUTPUT CHARACTERISTICS 2 Output Saturation Voltage V − MIN MAX V − MIN MAX V − MIN MAX V − V ...

Page 10

AD822 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 (N) Storage Temperature Range (R, RM) Operating ...

Page 11

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 (390 Units –12 ...

Page 12

AD822 10M 0V, +5V S 100k 10k 100 1k LOAD RESISTANCE (Ω) Figure 10. Open-Loop Gain vs. Load Resistance 10M R = 100kΩ 10kΩ L 100k R = 600Ω L 10k –60 –40 ...

Page 13

PHASE 60 GAIN 2kΩ 100pF L –20 10 100 1k 10k 100k FREQUENCY (Hz) Figure 16. Open-Loop Gain and Phase Margin vs. Frequency ...

Page 14

AD822 1000 100 10 1 –60 –40 – TEMPERATURE (°C) Figure 22. Output Saturation Voltage vs. Temperature ±15V 0V, + ...

Page 15

FREQUENCY (Hz) Figure 28. Crosstalk vs. Frequency V+ 0.01µ 1 AD822 R – L 0.01µF 4 Figure 29. Unity-Gain Follower 5V 10µs 100 ...

Page 16

AD822 10kΩ 20kΩ 0.01µF 8 – 1/2 AD822 + 4 Figure 36. Gain-of-Two Inverter 1V 100 GND Figure 37 Unity-Gain Follower Response ...

Page 17

1V 10µ ...

Page 18

AD822 APPLICATIONS INFORMATION INPUT CHARACTERISTICS In the AD822, 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 −V Driving the input voltage closer to ...

Page 19

20mV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 20

AD822 SINGLE-SUPPLY PROGRAMMABLE GAIN INSTRUMENTATION AMPLIFIER The AD822 can be configured as a single-supply instrumenta- tion amplifier that is able to operate from single supplies down dual supplies up to ±15 V. Using only one AD822 ...

Page 21

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 IN ...

Page 22

... AD822 ORDERING GUIDE 1 Model Temperature Range AD822AN −40°C to +85°C AD822ANZ −40°C to +85°C AD822AR −40°C to +85°C AD822AR-REEL −40°C to +85°C AD822AR-REEL7 −40°C to +85°C AD822ARZ −40°C to +85°C AD822ARZ-REEL −40°C to +85°C AD822ARZ-REEL7 − ...

Page 23

NOTES Rev Page AD822 ...

Page 24

AD822 NOTES ©1993–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00874-0-1/10(I) Rev Page ...

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