Wideband, High Output Current Fast Settling Op Amp Data Sheet AD842 FEATURES CONNECTION DIAGRAMS NIC 1 NIC AC performance 14 AD842 NIC 2 13 BALANCE TOP VIEW Gain bandwidth product: 80 MHz (gain = 2) BALANCE 3 12 NIC Fast settling: 100 ns to 0.01% for a 10 V step INPUT 4 11 V+ Slew rate: 375 V/s + +INPUT 5 10 OUTPUT Stable at gains of 2 or greater V 6 9 NIC (Not to Scale) NIC 7 8 NIC Full power bandwidth: 6 MHz for 20 V p-p DC performance NOTES 1. NIC = NOT INTERNALLY CONNECTED. Input offset voltage: 1.5 mV maximum Input offset drift: 14 V/C Figure 1. PDIP (N-14) and CERDIP (Q-14) Input voltage noise: 9 nV/Hz 1 16 NIC AD842 NIC Open-loop gain: 90 V/mV into a 499 load TOP VIEW BALANCE 2 15 BALANCE (Not to Scale) Output current: 100 mA minimum INPUT 3 14 +V S Quiescent supply current: 14 mA maximum NIC 4 13 NIC +INPUT 5 12 OUTPUT + APPLICATIONS NIC 6 11 NIC V 7 10 NIC Line drivers S NIC 8 9 NIC DAC and ADC buffers Video and pulse amplifiers NOTES 1. NIC = NOT INTERNALLY CONNECTED. MIL-STD-883B parts available, see military data sheet Figure 2. SOIC W (RW-16) GENERAL DESCRIPTION The AD842 is a member of the Analog Devices, Inc. family of acquisition applications requiring 12-bit accuracy. The AD842 wide bandwidth operational amplifiers. This device is fabricated is also appropriate for other applications, such as high speed using the Analog Device junction isolated complementary DAC and ADC buffer amplifiers and other wide bandwidth bipolar (CB) process. This process permits a combination of dc circuitry. precision and wideband ac performance previously unobtain- PRODUCT HIGHLIGHTS able in a monolithic op amp. In addition to its 80 MHz gain 1. The high slew rate and fast settling time of the AD842 bandwidth product, the AD842 offers extremely fast settling make it ideal for DAC and ADC buffers amplifiers, line characteristics, typically settling to within 0.01% of final value drivers, and all types of video instrumentation circuitry. in less than 100 ns for a 10 V step. 2. The AD842 is a precision amplifier. It offers accuracy to The AD842 also offers a low quiescent current of 13 mA, a high 0.01% or better and wide bandwidth, performance output current drive capability (100 mA minimum), a low input previously available only in hybrids. voltage noise of 9 nVHz, and a low input offset voltage 3. Laser-wafer trimming reduces the input offset voltage of (1.5 mV maximum). 1.5 mV maximum, thus eliminating the need for external The 375 V/s slew rate of the AD842, along with its 80 MHz offset nulling in many applications. gain bandwidth product, ensures excellent performance in 4. Full differential inputs provide outstanding performance in video and pulse amplifier applications. This amplifier is ideally all standard high frequency op amp applications where the suited for use in high frequency signal conditioning circuits and circuit gain is 2 or greater. wide bandwidth active filters. The extremely rapid settling time of the AD842 makes this amplifier the preferred choice for data Rev. F 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 19882014 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. 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Technical Support www.analog.com 09477-002 09477-001AD842 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Typical Performance Characteristics ..............................................5 Applications ....................................................................................... 1 Theory of Operation .........................................................................9 Connection Diagrams ...................................................................... 1 Offset Nulling ................................................................................9 General Description ......................................................................... 1 Settling Time ..................................................................................9 Product Highlights ........................................................................... 1 Grounding and Bypassing ......................................................... 10 Revision History ............................................................................... 2 Capacitive Load Driving Ability ............................................... 10 Specifications ..................................................................................... 3 Using a Heat Sink ....................................................................... 10 Electrical Characteristics15 V Operation ............................ 3 Terminated Line Driver ............................................................. 10 Absolute Maximum Ratings ............................................................ 4 Overdrive Recovery ................................................................... 11 Thermal Characteristics .............................................................. 4 Outline Dimensions ....................................................................... 12 ESD Caution .................................................................................. 4 Ordering Guide .......................................................................... 13 Metalization Photograph ............................................................. 4 REVISION HISTORY 2/14Rev. E to Rev. F Changes to Figure 18......................................................................... 7 Updated Format .................................................................. Universal Changes to Figure 22 Caption, Figure 23 Caption, Figure 24, Deleted 20-Terminal LCC and 12-Pin TO-8 .................. Universal and Figure 27......................................................................................8 Changed NC Pin to NIC Pin Throughout .................................... 1 Changes to Figure 28......................................................................... 9 Changes to Features, General Description, Connection Changes to Using a Heat Sink Section and Figure 32 ................ 10 Diagrams, and Product Highlights Sections ................................. 1 Changes to Figure 34...................................................................... 11 Changes to Table 1 ............................................................................ 3 Updated Outline Dimensions ....................................................... 12 Changes to Table 2, Thermal Characteristics Section, Table 3, Added Ordering Guide .................................................................. 13 and Figure 3 ....................................................................................... 4 Changes to Figure 11, Figure 13, Figure 14, and Figure 15 ........ 6 3/00Rev. D to Rev. E Rev. F Page 2 of 16