ANALOG DEVICES Wideband, High Output Current, Fast Settling Op Amp AD842 FEATURES AC PERFORMANCE Gain Bandwidth Product: 80 MHz (Gain = 2) Fast Settling: 100 ns to 0.01% for a 10 V Step Slew Rate: 375 V/s Stable at Gains of 2 or Greater Full Power Bandwidth: 6.0 MHz for 20 V pp DC PERFORMANCE Input Offset Voltage: 1 mV max Input Offset Drift: 14 pV/C input Voltage Noise: 9 nV/\/Hz typ Open-Loop Gain: 90 V/mV into a 500 Load Output Current: 100 mA min Quiescent Supply Current: 14 mA max APPLICATIONS Line Drivers DAC and ADC Buffers Video and Pulse Amplifiers Available in Plastic DIP, Hermetic Metal Can, Hermetic Cerdip, SOIC and LCC Packages and in Chip Form MIL-STD-883B Parts Available Available in Tape and Reel in Accordance with EIA-481A Standard PRODUCT DESCRIPTION The AD842 is a member of the Analog Devices family of wide bandwidth operational amplifiers. This family includes, among others, the AD840 which is stable at a gain of 10 or greater and the AD841 which is unity-gain stable. These devices are fabri- cated using Analog Devices junction isolated complementary bipolar (CB) process. This process permits a combination of dc precision and wideband ac performance previously unobtainable in a monolithic op amp. In addition to its 80 MHz gain band- width, the AD842 offers extremely fast settling characteristics, typically settling to within 0.01% of final value in less than 100 ns for a 10 volt step. The AD842 also offers a low quiescent current of 13 mA, a high output current drive capability (100 mA minimum), a low input voltage noise of 9 nV+/Hz and a low input offset voltage (1 mV maximum). The 375 V/us slew rate of the AD842, along with its 80 MHz gain bandwidth, ensures excellent performance in video and pulse amplifier applications. This amplifier is ideally suited for use in high frequency signal conditioning circuits and wide bandwidth active filters. The extremely rapid settling time of the AD842 makes this amplifier the preferred choice for data acquisition applications which require 12-bit accuracy. The AD842 is also appropriate for other applications such as high speed DAC and ADC buffer amplifiers and other wide band- width circuitry. This is an abridged data sheet. To obtain the most recent version or complete data sheet, call our fax retrieval system at 1-800-446-6212. REV. C CONNECTION DIAGRAMS Plastic DIP (N) Package LCC (E) Package and Cerdip (Q) Package 3 g < gigie 3.21 019 NC 4 Vi 18 NC 4N 5 Ou 17 WV NC 6 16 NC +N 7 OU HC 15 OUTPUT NC 8 D642 14.NC 9 10 11 12:13 222 9 NC = NO CONNECT SOIC (R-16) Package NOTE: CAN TIED TO V+ (NC = NO CONNECT APPLICATION HIGHLIGHTS 1. The high slew rate and fast settling time of the AD842 make it ideal for DAC and ADC buffers amplifiers, lines drivers and all types of video instrumentation circuitry. 2. The AD842 is a precision amplifier. It offers accuracy to 0.01% or better and wide bandwidth; performance previously available only in hybrids. 3. Laser-wafer trimming reduces the input offset voltage of 1 mV max, thus eliminating the need for external offset null- ing in many applications. 4. Full differential inputs provide outstanding performance in all standard high frequency op amp applications where the circuit gain will be 2 or greater. 5. The AD842 is an enhanced replacement for the HA2542. OPERATIONAL AMPLIFIERS 9-239 AD842 SPECIF ICATIONS vc +25C and +15 V de, unless otherwise noted) Model ADS842J/JR AD842K AD842S? : : Conditions Min Typ Max Min Typ Max | Min Typ Max Units INPUT OFFSET VOLTAGE? 0.5 15 0.3 1.0 0.5 15 mV Trrin-T max 2.5/3 1.5 3.5 mV Offset Drift 14 14 14 VPC INPUT BIAS CURRENT 4.2 8 3.5 5 4.2 8 pA Trin max 10 6 12 pA Input Offset Current 0.1 0.4 0.05 0.2 0.1 0.4 pA Twin max 0.5 0.3 0.6 pA INPUT CHARACTERISTICS Input Resistance Differential Mode 100 100 100 kQ Input Capacitance 2.0 2.0 2.0 pF INPUT VOLTAGE RANGE Common Mode +10 +10 +10 Vv Common-Mode Rejection Vom = 10V 86 LS 9 IS 86 5 dB min! max 80 86 380 dB INPUT VOLTAGE NOISE f = 1 kHz 9 9 9 nV/\/Hz Wideband Noise 10 Hz to 10 MHz 28 28 28 pV rms OPEN-LOOP GAIN Vo = +10V Ry oap=500 2 40/30 90 50 90 40 90 VinV Tinin~ TV max 20/15 25 20 VimV OUTPUT CHARACTERISTICS Voltage R,oap=500 2 +10 +10 +10 Vv Current Vour = +10 V 100 100 100 mA Open Loop 5 5 5 a FREQUENCY RESPONSE Gain Bandwidth Product Vour = 90 mV 80 80 80 MHz Full Power Bandwidth* Vo = 20V pp Ry oap 2500 2 4,7 6 4.7 6 4.7 6 MHz Rise Time* Aver = 72 10 10 10 ns Overshoot? vet = ~2 20 20 20 % Slew Rate Ave = 72 300 375 300375 300 375 Vips Settling Time? 10 V Step to 0.1% 80 80 80 ns to 0.01% 100 100 100 ns Differential Gain f = 4.4 MHz 0.015 0.015 0.015 % Differential Phase f = 4.4 MHz 0.035 0.035 0.035 Degree POWER SUPPLY Rated Performance +15 +15 +15 Vv Operating Range +5 +18 +5 +18 | +5 +18 Vv Quiescent Current 13/14: 14/16 13 14 13 14 mA Twn! max 16/19.5 16 19 mA Power Supply Rejection Ratio Vg= +5 Vto+i8V | 86 100 90 105 86 100 dB Train Tmax 80 86 80 dB TEMPERATURE RANGE Rated Performance 0 +75 0 +75 | 55 +125 C PACKAGE OPTIONS Plastic (N-14) AD842JN AD842KN Cerdip (Q-14) AD842JQ AD842KQ AD842SQ, AD842SQ/883B SOIC (R-16) AD842jR-16 Tape and Reel AD842JR-16-REEL TO-8 (H-12A) AD842JH AD842KH AD&842SH LCC (E-20A) AD842SE/883B Chips AD842JCHIPS AD842SCHIPS NOTES 'AD842JR specifications differ from those of the AD842JN, JQ and JH due to the thermal characteristics of the SOIC package. Standard Military Drawing available 5962-8964201xx 2A (SE/883B); XA ~ (SH/883B); CA (SQ/883B). Input offset voltage specifications are guaranteed after 5 minutes at Ty = +25C. *FPBW Slew Rate/2t Vpgax- Refer to Figures 22 and 23. oS" grade T,., and T,.., Specifications are tested with automatic test equipment at T, = 55C and T, = +125C. "For outline information see Package Information section. All min and max specifications are guaranteed. Specifications in boldface are tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels. Specifications subject to change without notice. 9-240 OPERATIONAL AMPLIFIERS REV.C ABSOLUTE MAXIMUM RATINGS" Supply Voltage . 0.0... ee eee +18 V Internal Power Dissipation Plastic (N).. 0.2. eee ee ee eee 13 W Cerdip (Q). 6... ee ee ce eee 11 W TO-B(H) oo cece eee eens 1.3W SOIC (R) oe ee ee eet 1.3 W LCC(E) . 0. ee eee tee ees 1.0 W Input Voltage 2.6... ee ee ee +Vs5 Differential Input Voltage... .............20.0-- +6V Storage Temperature Range (QQ, H, BE)... eee ee ee eee 65C to +150C (NJ R) oe ee ee te ee ee 65C to +125C Junction Temperature .............-0....0000- +175C Lead Temperature Range (Soldering 60 sec) AD842 NOTES "Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only, and functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ?Maximum internal power dissipation is specified so that T, does not exceed +150C at an ambient temperature of + 25C. Thermal Characteristics: 8 84, 854, Plastic Package 30CAW 100C/W Cerdip Package 30C/W 110CAW 38C/AV TO-8 Package 30C/W 100C/W 27C/AV 16-Pin SOIC Package 30C/W 100C/W 20-Pin LCC Package 35C/W 150C/AW Recommended heat sink: Aavid Engineering #602B METALIZATION PHOTOGRAPH Contact factory for latest dimensions. Dimensions shown in inches and (mm). REV.C 0.106 (2.68} BALANCE 4 OUTPUT OPERATIONAL AMPLIFIERS 9-241