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LT1097 Datasheet(PDF) 1 Page - Linear Technology

Part No. LT1097
Description  Low Cost, Low Power Precision Op Amp
Download  12 Pages
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1097 Datasheet(HTML) 1 Page - Linear Technology

 
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1
LT1097
Low Cost, Low Power
Precision Op Amp
FEATURES
DESCRIPTION
s
Offset Voltage
50
µV Max
s
Offset Voltage Drift
1
µV/°C Max
s
Bias Current
250pA Max
s
Offset Current
250pA Max
s
Bias and Offset Current Drift
4pA/
°C Max
s
Supply Current
560
µA Max
s
0.1Hz to 10Hz Noise
0.5
µVp-p, 2.2pAp-p
s
CMRR
115dB Min
s
Voltage Gain
117dB Min
s
PSRR
114dB Min
s
Guaranteed Operation on Two NiCad Batteries
APPLICATIONS
s
Replaces OP-07/OP-77/OP-97/OP-177/AD707/
LT1001 with Improved Price/Performance
s
High Impedance Difference Amplifiers
s
Logarithmic Amplifiers (Wide Dynamic Range)
s
Thermocouple Amplifiers
s
Precision Instrumentation
s
Active Filters (with Small Capacitors)
TYPICAL APPLICATION
, LTC and LT are registered trademarks of Linear Technology Corporation.
LT
®1097 achieves a new standard in combining low price
and outstanding precision performance.
On all operational amplifier data sheets, the specifications
listed on the front page are for highly selected, expensive
grades, while the specs for the low cost grades are buried
deep in the data sheet.
The LT1097 does not have any selected grades, the
outstanding specifications shown in the Features section
are for its only grade.
The design effort of the LT1097 concentrated on optimiz-
ing the performance of all precision specs—at only 350
µA
of supply current. Typical values are 10
µV offset voltage,
40pA bias and offset currents, 0.2
µV/°C and 0.4pA/°C
drift. Common mode and power supply rejections, voltage
gain are typically in excess of 128dB.
All parameters that are important for precision, low power
op amps have been optimized. Consequently, using the
LT1097 error budget calculations in most applications is
unnecessary.
+
9V
OUT = 1.1V TO 8.0V
AS 1.8k
≤ R2 ≤ 135k
LT1097•TA01
4
2
3
7
6
R1
20k
R2
1.018235V
2N3609
SATURATED
STANDARD
CELL #101
EPPLEY LABS
NEWPORT, R. I.
THE TYPICAL 40pA BIAS CURRENT OF THE LT1097
WILL DEGRADE THE STANDARD CELL BY ONLY
1ppm/YEAR. NOISE IS A FRACTION OF A ppm.
UNPROTECTED GATE MOSFET ISOLATES
STANDARD CELL ON POWER DOWN.
+
LT1097
INPUT OFFSET VOLTAGE (
µV)
–50 –40 –30 –20 –10 0
10 20 30 40 50
LT1097 • G01
50
40
30
20
10
0
VS = ±15V
TA = 25°C
6,500 UNITS IN SO PACKAGE
6,680 UNITS IN
PLASTIC
DIP
13,180 UNITS
TESTED
Input Offset Voltage Distribution
Saturated Standard Cell Amplifier


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