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AD620ANZ 型号
AD 品牌系列产品 AD620ANZ
AD620ANZ 批号 06+
AD620ANZ 数量 5000
AD620ANZ 封装 DIP-8
AD620ANZ 包装 in stock
AD620ANZ 备注 ROHS
AD620ANZ PDF技术资料
AD620AN.pdf
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Low Cost, Low Power
Instrumentation Amplifier
FEATURES
EASY TO USE
Gain Set with One External Resistor
(Gain Range 1 to 1000)
Wide Power Supply Range (62.3 V to 618 V)
Higher Performance than Three Op Amp IA Designs
Available in 8-Lead DIP and SOIC Packaging
Low Power, 1.3 mA max Supply Current
EXCELLENT DC PERFORMANCE (“B GRADE”)
50 mV max, Input Offset Voltage
0.6 mV/8C max, Input Offset Drift
1.0 nA max, Input Bias Current
100 dB min Common-Mode Rejection Ratio (G = 10)
LOW NOISE
9 nV/ÖHz, @ 1 kHz, Input Voltage Noise
0.28 mV p-p Noise (0.1 Hz to 10 Hz)
EXCELLENT AC SPECIFICATIONS
120 kHz Bandwidth (G = 100)
15 ms Settling Time to 0.01%
APPLICATIONS
Weigh Scales
ECG and Medical Instrumentation
Transducer Interface
Data Acquisition Systems
Industrial Process Controls
Battery Powered and Portable Equipment
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703 © Analog Devices, Inc., 1999
PRODUCT DESCRIPTION
The AD620 is a low cost, high accuracy instrumentation amplifier
that requires only one external resistor to set gains of 1 to
1000. Furthermore, the AD620 features 8-lead SOIC and DIP
packaging that is smaller than discrete designs, and offers lower
power (only 1.3 mA max supply current), making it a good fit
for battery powered, portable (or remote) applications.
The AD620, with its high accuracy of 40 ppm maximum
nonlinearity, low offset voltage of 50 mV max and offset drift of
0.6 mV/°C max, is ideal for use in precision data acquisition
systems, such as weigh scales and transducer interfaces. Furthermore,
the low noise, low input bias current, and low power
of the AD620 make it well suited for medical applications such
as ECG and noninvasive blood pressure monitors.
The low input bias current of 1.0 nA max is made possible with
the use of Superbeta processing in the input stage. The AD620
works well as a preamplifier due to its low input voltage noise of
9 nV/ÖHz at 1 kHz, 0.28 mV p-p in the 0.1 Hz to 10 Hz band,
0.1 pA/ÖHz input current noise. Also, the AD620 is well suited
for multiplexed applications with its settling time of 15 ms to
0.01% and its cost is low enough to enable designs with one inamp
per channel.
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