Datasheet

[
ApplyingtheAD521
NOTES:
1. Gains below 1 and above 1000 are obtained by simply ad-
justing the gain setting resistors. (Input voltage should be re-
stricted to :t10V for gains equal to or less than 1.)
2. Nonlinearity is defined as the ratio of the deviation from
the "best straight line" through a full scale output range of
1:9volts. With a combination of high gain and :tlO volt output
swing, distortion may increase to as much as 0.3%.
3. Full Peak Response is the frequency below which a typical
amplifier will produce full output swing.
4. Differential Overload Recovery is the time it takes the ampli-
fier to recover from a pulsed 30V differential input with 15V
of common mode voltage, to within 10mV of final value. The
test input is a 30V, 10,us pulse at a 1kHz rate. (When a differ-
ential signal of greater than 11V is applied between the inputs,
transistor clamps are activated which drop the exces!' input
voltage across internal input resistors. If a continuous overload
is maintained, power dissipated in these resistors causes temper-
atUre gradients and a corresponding change in offset voltage,
as well as added thermal time constant, but will not damage
the device.)
5. Common Mode Step Recovery is the time it takes the amp-
lifier to recover from a 30V common mode input with zero
volts of differential signal to within 10mV of final value. The
test input is 30V, 10,us pulse at a 1kHz rate. (When a com-
mon mode signal greater than Vs -o.5V is applied to the
inputs, transistor clamps are activated which drop the excessive
input voltage across internal input resistors. Power dissipated
in these resistors causes temperatUre gradients and a correspon-
ding change in offset voltage, as well as an added thermal time
constant, but will not damage the device.)
6. Output Offset Voltage versus Power Supply includes a
constant 0.005 times the unnulled output offset per percent
change in either power supply. If the output offset is nulled,
the output offset change versus supply change is substantially
reduced.
7. Differential Input Impedance is the impedance between the
two inputs.
8. Common Mode Input Impedance is the impedance from
either input to the power supplies.
9. Maximum Input Voltage (differential or at either input) is
30V when using :t15V supplies. A more general specification is
that neither input may exceed either supply (even when
Vs
=0) by more than 15V and that the difference between the
two inputs must not exceed 30V. (See also Notes 4 and 5.)
10. O.lHz to 10Hz Peak-to-Peak Voltage Noise is defined as
the maximum peak-to-peak voltage noise ovserved during 2
of 3 separate 10 second periods with the test circuit of Fig-
ure 8.
a
ORDERING GUIDE
NOTES
IFor outline information see Package Information section.
2Standard military drawing available.
8BLA
METALIZATION PHOTOGRAPH
Dimensions shown in inches and (mm).
Contact factory for latest dimensions.
14
RGAIN
1
+INPUT
~
2 3 4 5 6
R GAIN -INPUT OFFSET -Vs OFFSET
TRIM TRIM
0.110 {2.8001
fN~TRf !MFNTA TfnN AMP! !FfFR.C; 4-,ffl;
Temperature
Package
Model
Range Description Option!
AD52lJD
DoC to + 7DoC
14-Pin Ceramic DIP
D-14
AD52IKD
DoC to + 7DoC 14-Pin Ceramic DIP
D-14
AD521LD
DoC to + 7DoC 14-Pin Ceramic DIP
D-14
AD521SD - 55°C to + 125°C
14-Pin Ceramic DIP
D-14
AD521SD/883B2 - 55°C to + 125°C
14-Pin Ceramic DIP
D-14
AD52lJ Chips
DoC to + 7DoC Die
AD521K Chips
DoC to + 7DoC
Die
AD521S Chips
- 55°Cto + 125°C
Die
Not Recommended for new Designs