OVP and EMI Protected, Precision, Low Noise and Bias Current Op Amps Data Sheet ADA4177-1/ADA4177-2/ADA4177-4 FEATURES PIN CONNECTION DIAGRAM Low offset voltage: 60 V maximum at 25C (8-lead and OUT A 1 8 V+ ADA4177-2 IN A 2 7 OUT B 14-lead SOIC) TOP VIEW +IN A 3 6 IN B (Not to Scale) Low offset voltage drift: 1 V/C maximum (8-lead and V 4 5 +IN B 14-lead SOIC) Low input bias current: 1 nA maximum at 25C Figure 1. ADA4177-2, for Additional Packages and Models, See the Pin Configurations and Function Descriptions Section Low voltage noise density: 8 nV/Hz typical at 1 kHz Large signal voltage gain (A ): 100 dB minimum over full VO supply voltage and operating temperature Input overvoltage protection to 32 V above and below the supply voltage rail Integrated EMI filter Applications for these amplifiers include sensor signal conditioning 70 dB typical rejection at 1000 MHz (such as thermocouples, resistor thermal detectors (RTDs), and 90 dB typical rejection at 2400 MHz strain gages), process control front-end amplifiers, and Rail-to-rail output swing precision diode power measurement in optical and wireless Low supply current: 500 A typical per amplifier transmission systems. Wide bandwidth The ADA4177-1/ADA4177-2/ADA4177-4 operate over the Gain bandwidth product (A = 100): 3.5 MHz typical V 40C to +125C industrial temperature range. The ADA4177-1/ Unity-gain crossover (A = 1): 3.5 MHz typical V ADA4177-2 are available in an 8-lead SOIC package and an 8-lead 3 dB bandwidth (A = 1): 6 MHz typical V MSOP package. The ADA4177-4 is available in a 14-lead TSSOP Dual-supply operation and a 14-lead SOIC package. Specified at 5 V to 15 V, operates over 2.5 V to 18 V 12 Unity-gain stable 10 No phase reversal 8 Long-term offset voltage drift (10,000 hours): 2 V typical V = 15V SY 6 Temperature hysteresis: 2 V typical 4 APPLICATIONS 2 Wireless base station control circuits 0 Optical network control circuits 2 Instrumentation 4 Sensors and controls 6 Thermocouples, RTDs, strain gages, shunt current 8 measurements 10 50 30 10 10 30 50 GENERAL DESCRIPTION V (V) IN The ADA4177-1 single-channel, ADA4177-2 dual-channel, and Figure 2. Overvoltage Current Limiting, Voltage Follower Configuration ADA4177-4 quad-channel amplifiers feature low offset voltage 1 (2 V typical) and drift (1 V/C maximum), low input bias Table 1. Evolution of Protected Input Op Amps by Generation current, low noise, and low current consumption (500 A Gen. 1, Gen. 2, Gen. 3, Gen. 4 Gen. 5, OVP OVP (10 V) OVP (25 V) OVP (32 V) EMI Filters (32 V) + EMI typical). Outputs are stable with capacitive loads of more than OP191 ADA4091-2 ADA4096-2 AD8657 ADA4177-1 1000 pF with no external compensation. OP291 ADA4091-4 ADA4096-4 AD8659 ADA4177-2 The inputs of the ADA4177-1/ADA4177-2/ADA4177-4 feature OP491 ADA4092-4 AD8546 ADA4177-4 outstanding precision amplifier robustness, providing input AD8548 protection against signal excursions 32 V beyond either supply, ADA4661-2 as well as 70 dB of rejection for electromagnetic interference (EMI) ADA4666-2 1 at 1000 MHz. Gen. means generation. Rev. E Document Feedback 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 20142018 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Technical Support www.analog.com Trademarks and registered trademarks are the property of their respective owners. INPUT BIAS CURRENT (mA) 12282-001 12282-446ADA4177-1/ADA4177-2/ADA4177-4 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Applications Information .............................................................. 26 Applications ....................................................................................... 1 Active Overvoltage Protection ................................................. 26 General Description ......................................................................... 1 Limiting Overvoltage Current Out of the Positive Supply Pin ....................................................................................................... 27 Pin Connection Diagram ................................................................ 1 EMI Protection ........................................................................... 28 Revision History ............................................................................... 3 Self Heating ................................................................................. 28 Specifications ..................................................................................... 4 Using the ADA4177-1/ADA4177-2/ADA4177-4 as a Electrical Characteristics, 5 V .................................................. 4 Comparator ................................................................................. 28 Electrical Characteristics, 15 V ................................................ 6 Output Phase Reversal ............................................................... 29 Absolute Maximum Ratings ....................................................... 8 Proper Printed Circuit Board (PCB) Layout .......................... 29 Maximum Power Dissipation ..................................................... 8 Long-Term Drift ......................................................................... 29 Thermal Resistance ...................................................................... 8 Temperature Hysteresis ............................................................. 30 ESD Caution .................................................................................. 8 Outline Dimensions ....................................................................... 31 Pin Configurations and Function Descriptions ........................... 9 Ordering Guide .......................................................................... 33 Typical Performance Characteristics ........................................... 12 Theory of Operation ...................................................................... 25 Rev. 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