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AD8045ACP-REEL Datasheet(PDF) 1 Page - Analog Devices |
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AD8045ACP-REEL Datasheet(HTML) 1 Page - Analog Devices |
1 / 24 page 3 nV/√Hz Ultralow Distortion, High Speed Op Amp AD8045 Rev. A 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. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. FEATURES Ultralow distortion SFDR −101 dBc @ 5 MHz −90 dBc @ 20 MHz −63 dBc @ 70 MHz Third-order intercept 43 dBm @ 10 MHz Low noise 3 nV/√Hz 3 pA/√Hz High speed 1 GHz, −3 dB bandwidth (G = +1) 1350 V/µs slew rate 7.5 ns settling time to 0.1% Standard and low distortion pinout Supply current: 15 mA Offset voltage: 1.0 mV max Wide supply voltage range: 3.3 V to 12 V APPLICATIONS Instrumentation IF and baseband amplifiers Active filters ADC drivers DAC buffers CONNECTION DIAGRAMS 1 2 5 6 7 8 NC FEEDBACK –IN +IN +VS OUTPUT NC –VS 3 4 Figure 1. 8-Lead AD8045 LFCSP (CP-8) 1 FEEDBACK 2 –IN 3 +IN –VS 4 8 +VS NC 7 OUTPUT NC 6 5 Figure 2. 8-Lead AD8045 SOIC/EP (RD-8) GENERAL DESCRIPTION The AD8045 is a unity gain stable voltage feedback amplifier with ultralow distortion, low noise, and high slew rate. With a spurious-free dynamic range of −90 dBc @ 20 MHz, the AD8045 is an ideal solution in a variety of applications, including ultrasound, ATE, active filters, and ADC drivers. ADI’s proprietary next generation XFCB process and innovative architecture enables such high performance amplifiers. The AD8045 features a low distortion pinout for the LFCSP, which improves second harmonic distortion and simplifies the layout of the circuit board. The AD8045 has 1 GHz bandwidth, 1350 V/µs slew rate, and settles to 0.1% in 7.5 ns. With a wide supply voltage range (3.3 V to 12 V) and low offset voltage (200 µV), the AD8045 is an ideal candidate for systems that require high dynamic range, preci- sion, and high speed. The AD8045 amplifier is available in a 3 mm × 3 mm LFCSP and the standard 8-lead SOIC. Both packages feature an exposed paddle that provides a low thermal resistance path to the PCB. This enables more efficient heat transfer, and increases reliability. The AD8045 works over the extended industrial temperature range (−40°C to +125°C). FREQUENCY (MHz) 100 0.1 1 10 –20 –30 –40 –50 –60 –70 –80 –90 –100 –120 –110 HD3 LFCSP HD2 LFCSP G = +1 VS =±5V VOUT = 2V p-p RL = 1kΩ RS = 100Ω Figure 3. Harmonic Distortion vs. Frequency for Various Packages |
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