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PDF AD22055 Data sheet ( Hoja de datos )
| Número de pieza | AD22055 | |
| Descripción | Single Supply Bridge Transducer Amplifier | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AD22055 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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FEATURES
Gain of 400. Alterable from 40 to 1000
Output Span 20 mV to (VS – 0.25) V
1 Pole Low-Pass Filtering Available
Offset Capability
Differential Input Resistance 230 k⍀
Drives 1 k⍀ Load to +4 V Using VS = +5 V
Supply Voltage: +3 V to +36 V
Transient Spike Protection and RFI Filters Included
Peak Input Voltage (40 ms): 60 V
Reversed Supply Protection: –34 V
Operating Temperature Range: –40؇C to +125؇C
APPLICATIONS
Interface for Pressure Transducers, Position
Indicator, Strain Gages and Other Low Level Signal
Sources
Single Supply Bridge
Transducer Amplifier
AD22055
FUNCTIONAL BLOCK DIAGRAM
+VS
6
AD22055
OFS
7
FILT
3
IN+ 8
IN– 1
A1
A2
5 OUT
2
GND
4 GAIN
GENERAL DESCRIPTION
The AD22055 accepts a differential signal from a bridge trans-
ducer whose common-mode signal can be anywhere between
the power supplies.
VREF
The extended temperature range allows for local signal condi-
tioning for oil and hydraulic pressure sensors as well as other
automotive sensors.
The use of an external gain resistor allows the user to compen-
sate transducer gain error and temperature drift.
+5 VOLT
OUTPUT
8765
IN+ OFS +VS OUT
AD22055
IN– GND FILT GAIN
1234
1kΩ
GAIN = 400
ANALOG
GROUND
Figure 1. Typical Application Circuit for a Pressure Sensor Interface
REV. 0
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700 World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
© Analog Devices, Inc., 1997
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet AD22055.PDF ] | |
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