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ADA4857-2YCPZ-R2 Datasheet(PDF) 1 Page - Analog Devices |
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ADA4857-2YCPZ-R2 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp ADA4857-1/ADA4857-2 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2008 Analog Devices, Inc. All rights reserved. FEATURES High speed 850 MHz, −3 dB bandwidth (G = +1, RL = 1 kΩ, LFSCP) 750 MHz, −3 dB bandwidth (G = +1, RL = 1 kΩ, SOIC) 2800 V/μs slew rate Low distortion: −88 dBc @ 10 MHz (G = +1, RL = 1 kΩ) Low power: 5 mA/amplifier @ 10 V Low noise: 4.4 nV/√Hz Wide supply voltage range: 5 V to 10 V Power-down feature Available in 3 mm × 3 mm 8-lead LFCSP (single), 8-lead SOIC (single), and 4 mm × 4 mm 16-lead LFCSP (dual) APPLICATIONS Instrumentation IF and baseband amplifiers Active filters ADC drivers DAC buffers CONNECTION DIAGRAMS NC = NO CONNECT 1 PD 2 FB 3 –IN 4 +IN 7OUT 8+VS 6NC 5–VS ADA4857-1 TOP VIEW (Not to Scale) Figure 1. 8-Lead LFCSP (CP) FB 1 –IN 2 +IN 3 –VS 4 PD 8 +VS 7 OUT 6 NC 5 NC = NO CONNECT ADA4857-1 TOP VIEW (Not to Scale) Figure 2. 8-Lead SOIC (R) 1 –IN1 2 +IN1 3 NC 4 –VS2 11 NC 12 –VS1 10 +IN2 9–IN2 ADA4857-2 TOP VIEW (Not to Scale) NC = NO CONNECT Figure 3. 16-Lead LFCSP (CP) GENERAL DESCRIPTION The ADA4857 is a unity gain stable, high speed, voltage feedback amplifier with low distortion, low noise, and high slew rate. With a spurious-free dynamic range (SFDR) of −88 dBc @ 10 MHz, the ADA4857 is an ideal solution in a variety of applications including ultrasounds, ATE, active filters, and ADC drivers. The Analog Devices, Inc., proprietary next-generation XFCB process and innovative architecture enables such high performance amplifiers. The ADA4857 has 850 MHz bandwidth, 2800 V/μs slew rate, and settles to 0.1% in 15 ns. With a wide supply voltage range (5 V to 10 V), the ADA4857 is an ideal candidate for systems that require high dynamic range, precision, and speed. The ADA4857-1 amplifier is available in a 3 mm × 3 mm, 8-lead LFCSP and a standard 8-lead SOIC. The ADA4857-2 is available in a 4 mm × 4 mm, 16-lead LFSCP. The LFCSP features an exposed paddle that provides a low thermal resistance path to the PCB. This path enables more efficient heat transfer and increases reliability. The ADA4857 works over the extended industrial temperature range (−40°C to +125°C). |
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