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PDF ADA4500-2 Data sheet ( Hoja de datos )
| Número de pieza | ADA4500-2 | |
| Descripción | Zero Input Crossover Distortion Amplifiers | |
| Fabricantes | Analog Devices | |
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8.7MHz, 15nV/√Hz, Rail-to-Rail I/O,
Zero Input Crossover Distortion Amplifiers
Preliminary Technical Data
ADA4500-2
FEATURES
PSRR: 100dB minimum
CMRR: 100 dB minimum
Supply current: 1.6 mA/amp max
Wide Bandwidth: 8.7 MHz
2.7 V to 5.5 V single-supply operation
Rail-to-rail input and output
Low noise
1.1 μV p-p from 0.1 Hz to 10 Hz
15nV/√Hz @ 1kHz
150 μV offset voltage maximum
Very low input bias current: 10 pA maximum
APPLICATIONS
Pressure and position sensors
Remote security
Medical monitors
Process control
Hazard detectors
Photo Diode applications
GENERAL DESCRIPTION
The ADA4500 is a dual 8.7MHz, 15 nV/√Hz, low power amplifier
featuring rail-to-rail input and output swings while operating from a 2.7
V to 5.5 V single power supply.
Employing a novel circuit technology, these amplifiers offer zero input
crossover distortion (high linearity and excellent PSRR and CMRR
performance), precision, wide bandwidth and very low bias current.
This technology offer the excellent CMRR over the supply range without
the cross-over distortion seen with the traditional complementary input
stage.
This combination of these features makes the ADA4500 amplifier an
ideal choice for precision sensor applications as it minimizes errors due
to power supply voltage variations over the supply voltage and maintains
high CMRR even for a rail-to-rail input op amp. This results in excellent
performance for driving Analog-to-Digital (A/D) converters without
degradation of performance. The input common mode range includes
both the negative and positive supplies.
Sensors, handheld instrumentation, precision signal conditioning, and
patient monitors can benefit from the features of the ADA4500.
The ADA4500 is specified for the extended industrial temperature range
(−40°C to +125°C). ADA4500-2 dual amplifiers are available in the
standard 8-lead MSOP and LFCSP.
PIN CONFIGURATIONS
ADA4500-2
Figure 1. 8-Lead MSOP& LFCSP
(RM & CP Suffix)
Rev. PrA
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
www.analog.com
©2012 Analog Devices, Inc. All rights reserved.
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