Precision
Instrumentation Amplifier
a
AD524
FEATURES
CO NNECTIO N D IAGRAMS
Low Noise: 0.3 V p-p 0.1 Hz to 10 Hz
Low Nonlinearity: 0.003% (G = 1)
High CMRR: 120 dB (G = 1000)
Cer am ic (D ) and
SO IC (R) P ackages
Low Offset Voltage: 50 V
Low Offset Voltage Drift: 0.5 V/ ؇C
Gain Bandw idth Product: 25 MHz
Pin Program m able Gains of 1, 10, 100,1000
Input Protection, Pow er On–Pow er Off
No External Com ponents Required
Internally Com pensated
MIL-STD-883B and Chips Available
16-Pin Ceram ic DIP and SOIC Packages and
20-Term inal Leadless Chip Carriers Available
Available in Tape and Reel in Accordance
w ith EIA-481A Standard
Standard Military Draw ing Also Available
P RO D UCT D ESCRIP TIO N
T he AD524 is a precision monolithic instrumentation amplifier
designed for data acquisition applications requiring high accu-
racy under worst-case operating conditions. An outstanding
combination of high linearity, high common mode rejection, low
offset voltage drift, and low noise makes the AD524 suitable for
use in many data acquisition systems.
Leadless Chip Car r ier (E) P ackage
The AD524 has an output offset voltage drift of less than 25 µV/
°C, input offset voltage drift of less than 0.5 µV/°C, CMR above
90 dB at unity gain (120 dB at G = 1000) and maximum
nonlinearity of 0.003% at G = 1. In addition to the outstanding
dc specifications the AD524 also has a 25 MHz gain bandwidth
product (G = 100). T o make it suitable for high speed data ac-
quisition systems the AD524 has an output slew rate of 5 V/µs
and settles in 15 µs to 0.01% for gains of 1 to 100.
As a complete amplifier the AD524 does not require any exter-
nal components for fixed gains of 1, 10, 100 and 1,000. For
other gain settings between 1 and 1000 only a single resistor is
required. T he AD524 input is fully protected for both power on
and power off fault conditions.
P RO D UCT H IGH LIGH TS
1. T he AD524 has guaranteed low offset voltage, offset voltage
drift and low noise for precision high gain applications.
2. T he AD524 is functionally complete with pin programmable
gains of 1, 10, 100 and 1000, and single resistor program-
mable for any gain.
T he AD524 IC instrumentation amplifier is available in four
different versions of accuracy and operating temperature range.
T he economical “A” grade, the low drift “B” grade and lower
drift, higher linearity “C” grade are specified from –25°C to
+85°C. T he “S” grade guarantees performance to specification
over the extended temperature range –55°C to +125°C. Devices
are available in 16-pin ceramic DIP and SOIC packages and a
20-terminal leadless chip carrier.
3. Input and output offset nulling terminals are provided for
very high precision applications and to minimize offset volt-
age changes in gain ranging applications.
4. T he AD524 is input protected for both power on and power
off fault conditions.
5. T he AD524 offers superior dynamic performance with a gain
bandwidth product of 25 MHz, full power response of 75 kHz
and a settling time of 15 µs to 0.01% of a 20 V step (G = 100).
REV. C
Inform ation furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assum ed by Analog Devices for its
use, nor for any infringem ents of patents or other rights of third parties
which m ay result from its use. No license is granted by im plication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.
Tel: 617/ 329-4700
Fax: 617/ 326-8703
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