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ADA4625-2ARDZ-R7 Scheda tecnica(PDF) 1 Page - Analog Devices |
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ADA4625-2ARDZ-R7 Scheda tecnica(HTML) 1 Page - Analog Devices |
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1 / 35 page  36 V, 18 MHz, Low Noise, Fast Settling Single Supply, RRO, JFET Op Amp Data Sheet ADA4625-1/ADA4625-2 Rev. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2017–2019 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Wide gain bandwidth product: 18 MHz typical High slew rate: 48 V/µs typical Low voltage noise density: 3.3 nV/√Hz typical at 1 kHz Low peak-to-peak noise: 0.15 µV p-p, 0.1 Hz to 10 Hz Low input bias current: ±15 pA typical at TA = 25°C Low offset voltage: ±80 µV maximum at TA = 25°C Offset voltage drift: ±1.2 µV/°C maximum at TA = −40°C to 85°C Fast settling: 0.01% in 700 ns typical Wide range of operating voltages Dual-supply operation: ±2.5 V to ±18 V Single-supply operation: 5 V to 36 V Input voltage range includes V− Rail-to-rail output High capacitive load drive capability Output short-circuit current: ±46 mA No phase reversal Unity-gain stable APPLICATIONS PLL filter amplifiers Transimpedance amplifiers Photodiode sensor interfaces Low noise charge amplifiers GENERAL DESCRIPTION The ADA4625-1/ADA4625-2 build on Analog Devices, Inc., high voltage, single-supply, rail-to-rail output (RRO), precision junction field effect transistor (JFET) input op amps, taking that product type to a level of speed and low noise that has not been made available to the market previously. The ADA4625-1/ADA4625-2 provide optimal performance in high voltage, high gain, and low noise applications. The input common-mode voltage range includes the negative supply, and the output swings rail to rail. This enables the user to maximize dynamic input range in low voltage, single supply applications without the need for a separate negative voltage power supply for ground sense. The combination of wide bandwidth, low noise, and low input bias current makes the ADA4625-1/ADA4625-2 especially suitable for phase-locked loop (PLL), active filter amplifiers and for high tuning voltage (VTUNE), voltage controlled oscillators (VCOs) and preamplifiers where low level signals require an amplifier that provides both high amplification and wide bandwidth. PIN CONFIGURATION NC 1 –IN 2 +IN 3 V– 4 NC 8 V+ 7 OUT 6 NC 5 ADA4625-1 TOP VIEW (Not to Scale) NOTES 1. NC = NO CONNECTION. DO NOT CONNECT TO THIS PIN. 2. EXPOSED PAD. CONNECT THE EXPOSED PAD TO GND, V+ OR V– PLANE, OR LEAVE IT FLOATING. Figure 1. The ADA4625-1/ADA4625-2 are unity-gain stable, and there is no phase reversal when input range exceeds either supply rail by 200 mV. The output is capable of driving loads up to 1000 pF and/or 600 Ω loads. The ADA4625-1/ADA4625-2 are specified for operation over the extended industrial temperature range of −40°C to +125°C and operates from +5 V to +36 V (±2.5 V to ±18 V) with specifi- cations at +5 V and ±18 V. The devices are available in an 8-lead SOIC package with an exposed pad (EPAD). 100 10 1 1 10 100 100k 10k 1k FREQUENCY (Hz) VSY = 5V VSY = ±18V Figure 2. Voltage Noise Density vs. Frequency Table 1. Related Precision JFET Operational Amplifiers Single Dual Quad Not applicable AD823A Not applicable AD8510 AD8512 AD8513 AD8610 AD8620 Not applicable ADA4610-1 ADA4610-2 ADA4610-4 ADA4622-1 ADA4622-2 ADA4622-4 ADA4627-1/ADA4637-1 Not applicable Not applicable |
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Descrizione simile - ADA4625-2ARDZ-R7 |
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