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ADA4897-2

Analog Devices
Part Number ADA4897-2
Manufacturer Analog Devices
Description Rail-to-Rail Output Amplifiers
Published May 19, 2015
Detailed Description Data Sheet 1 nV/√Hz, Low Power, Rail-to-Rail Output Amplifiers ADA4896-2/ADA4897-1/ADA4897-2 FEATURES Low wideband noi...
Datasheet PDF File ADA4897-2 PDF File

ADA4897-2
ADA4897-2

Overview
Data Sheet 1 nV/√Hz, Low Power, Rail-to-Rail Output Amplifiers ADA4896-2/ADA4897-1/ADA4897-2 FEATURES Low wideband noise 1 nV/√Hz 2.
8 pA/√Hz Low 1/f noise: 2.
4 nV/√Hz at 10 Hz Low distortion: −115 dBc at 100 kHz, VOUT = 2 V p-p Low power: 3 mA per amplifier Low input offset voltage: 0.
5 mV maximum High speed −3 dB bandwidth: 230 MHz (G = +1) Slew rate: 120 V/μs Settling time to 0.
1%: 45 ns Rail-to-rail output Wide supply range: 3 V to 10 V Disable feature (ADA4897-1/ADA4897-2) APPLICATIONS Low noise preamplifier Ultrasound amplifiers PLL loop filters High performance ADC drivers DAC buffers GENERAL DESCRIPTION The ADA4896-2/ADA4897-1/ADA4897-2 are unity-gain stable, low noise, rail-to-rail output, high speed voltage feedback amplifiers that have a quiescent current of 3 mA.
With a 1/f noise of 2.
4 nV/√Hz at 10 Hz and a spurious-free dynamic range of −80 dBc at 2 MHz, the ADA4896-2/ADA4897-1/ADA4897-2 are ideal solutions in a variety of applications, including ultrasound, low noise preamplifiers, and drivers of high performance ADCs.
The Analog Devices, Inc.
, proprietary next-generation SiGe bipolar process and innovative architecture enable such high performance amplifiers.
The ADA4896-2/ADA4897-1/ADA4897-2 have 230 MHz bandwidth, 120 V/μs slew rate, and settle to 0.
1% in 45 ns.
With a wide supply voltage range of 3 V to 10 V, the ADA4896-2/ ADA4897-1/ADA4897-2 are ideal candidates for systems that require high dynamic range, precision, low power, and high speed.
The ADA4896-2 is available in 8-lead LFCSP and 8-lead MSOP packages.
The ADA4897-1 is available in 8-lead SOIC and 6-lead SOT-23 packages.
The ADA4897-2 is available in a 10-lead MSOP package.
The ADA4896-2/ADA4897-1/ADA4897-2 operate over the extended industrial temperature range of −40°C to +125°C.
FUNCTIONAL BLOCK DIAGRAM NC 1 –IN 2 +IN 3 –VS 4 8 DISABLE 7 +VS 6 OUT 5 NC 09447-101 Figure 1.
8-Lead SOIC (ADA4897-1) 8 VS = ±5V 7 VOLTAGE NOISE (nV/√Hz) 6 5 4 3 2 1 09447-102 0 1 10 100 1k 10...


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