Datasheet AD8033, AD8034 (Analog Devices)

Low Cost, 80 MHz FastFET Op Amps AD8033/AD8034 FEATURES CONNECTION DIAGRAMS FET input amplifier NC 1 AD8033 8 NC AD8033 1 pA typical input bias current V 5 +V –IN 2 7 +V OUT 1 S S Very low cost +IN 3 6 VOUT –VS 2 High speed –VS 4 5 NC
1 0 0 02 4-
+IN 3 4 –IN 80 MHz, −3 dB bandwidth (G = +1)
-0 92
NC = NO CONNECT
24 02 29
80 V/μs slew rate (G = +2)
0 Figure 1. 8-Lead SOIC (R) Figure 2. 5-Lead SC70 (KS)
Low noise 11 nV/√Hz (f = 100 kHz) VOUT1 1 8 +VS 0.7 fA/√Hz (f = 100 kHz) –IN1 2 7 VOUT2 Wide supply voltage range: 5 V to 24 V +IN1 3 6 –IN2
3 00
Low offset voltage: 1 mV typical –VS 4 5 +IN2
4-
AD8034
92 02
Single-supply and rail-to-rail output
Figure 3. 8-Lead SOIC (R) and 8-Lead SOT-23 (RJ)
High common-mode rejection ratio: −100 dB Low power: 3.3 mA/amplifier typical supply current No phase reversal 24 VOUT = 200mV p-p G = +10 Small packaging: 8-lead SOIC, 8-lead SOT-23, and 5-lead SC70 21 18 15 G = +5 APPLICATIONS 12 Instrumentation ) B d 9 Filters ( G = +2 IN 6 Level shifting GA 3 Buffering G = +1 0 –3 GENERAL DESCRIPTION G = –1 –6
The AD8033/AD8034 FastFET™ amplifiers are voltage feedback
–9
amplifiers with FET inputs, offering ease of use and excellent
0.1 1 100 1000
04
10
0
FREQUENCY (MHz)
4- 92 performance. The AD8033 is a single amplifier and the AD8034 02 is a dual amplifier. The AD8033/AD8034 FastFET op amps in Figure 4. Small Signal Frequency Response Analog Devices, Inc., proprietary XFCB process offer significant The AD8033/AD8034 amplifiers only draw 3.3 mA/amplifier of performance improvements over other low cost FET amps, such quiescent current while having the capability of delivering up to as low noise (11 nV/√Hz and 0.7 fA/√Hz) and high speed (80 MHz 40 mA of load current. bandwidth and 80 V/μs slew rate). The AD8033 is available in a small package 8-lead SOIC and a With a wide supply voltage range from 5 V to 24 V and fully small package 5-lead SC70. The AD8034 is also available in a operational on a single supply, the AD8033/AD8034 amplifiers small package 8-lead SOIC and a small package 8-lead SOT-23. work in more applications than similarly priced FET input They are rated to work over the industrial temperature range of amplifiers. In addition, the AD8033/AD8034 have rail-to-rail −40°C to +85°C without a premium over commercial grade outputs for added versatility. products. Despite their low cost, the amplifiers provide excellent overall performance. They offer a high common-mode rejection of −100 dB, low input offset voltage of 2 mV maximum, and low noise of 11 nV/√Hz.
Rev. D 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 license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 www.analog.com Trademarks and registered trademarks are the property of their respective owners. Fax: 781.461.3113 ©2002–2008 Analog Devices, Inc. All rights reserved.
Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION OUTPUT SHORT CIRCUIT ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION OUTPUT STAGE DRIVE AND CAPACITIVE LOAD DRIVE INPUT OVERDRIVE INPUT IMPEDANCE THERMAL CONSIDERATIONS LAYOUT, GROUNDING, AND BYPASSING CONSIDERATIONS BYPASSING GROUNDING LEAKAGE CURRENTS INPUT CAPACITANCE APPLICATIONS INFORMATION HIGH SPEED PEAK DETECTOR ACTIVE FILTERS WIDEBAND PHOTODIODE PREAMP OUTLINE DIMENSIONS ORDERING GUIDE