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Linear Technology Electronic Components Datasheet

LT1097 Datasheet

Low Cost/ Low Power Precision Op Amp

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LT1097
Low Cost, Low Power
Precision Op Amp
FEATURES
s Offset Voltage
50µV Max
s Offset Voltage Drift
1µV/°C Max
s Bias Current
250pA Max
s Offset Current
250pA Max
s Bias and Offset Current Drift
4pA/°C Max
s Supply Current
560µA Max
s 0.1Hz to 10Hz Noise
0.5µVp-p, 2.2pAp-p
s CMRR
115dB Min
s Voltage Gain
117dB Min
s PSRR
114dB Min
s Guaranteed Operation on Two NiCad Batteries
U
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)
DESCRIPTION
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 350µA
of supply current. Typical values are 10µV offset voltage,
40pA bias and offset currents, 0.2µV/°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.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
Saturated Standard Cell Amplifier
9V
2N3609
3+
7
+
1.018235V
LT1097
2
4
6
OUT = 1.1V TO 8.0V
AS 1.8k R2 135k
SATURATED
STANDARD
CELL #101
EPPLEY LABS
NEWPORT, R. I.
R1 R2
20k
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•TA01
Input Offset Voltage Distribution
50
6,500 UNITS IN SO PACKAGE
6,680 UNITS IN
40
PLASTIC
DIP
13,180 UNITS
TESTED
30
VS = ±15V
TA = 25°C
20
10
0
–50 –40 –30 –20 –10 0 10 20 30 40 50
INPUT OFFSET VOLTAGE (µV)
LT1097 • G01
1


Linear Technology Electronic Components Datasheet

LT1097 Datasheet

Low Cost/ Low Power Precision Op Amp

No Preview Available !

LT1097
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ...................................................... ±20V
Differential Input Current (Note 1) ...................... ±10mA
Input Voltage ......................................................... ±20V
Output Short Circuit Duration .......................... Indefinite
Operating Temperature Range .................–40°C to 85°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
VOS TRIM 1
–IN 2
+IN 3
V4
8 VOS TRIM
7 V+
6 OUT
5 OVER COMP
N8 PACKAGE
8-LEAD PLASTIC DIP
ORDER
PART NUMBER
LT1097CN8
TOP VIEW
VOS TRIM 1
–IN 2
+IN 3
V4
8 VOS TRIM
7 V+
6 OUT
5 OVER COMP
S8 PACKAGE
8-LEAD PLASTIC SO
ORDER
PART NUMBER
LT1097S8
ELECTRICAL CHARACTERISTICS VS = ±15V, VCM = 0V, TA = 25°C, unless otherwise noted.
SYMBOL
VOS
VOS
TIME
IOS
IB
en
PARAMETER
Input Offset Voltage
Long Term Input Offset
Voltage Stability
Input Offset Current
Input Bias Current
Input Noise Voltage
Input Noise Voltage Density
in Input Noise Current
Input Noise Current Density
CMRR
PSRR
AVOL
VOUT
SR
GBW
IS
Input Resistance
Differential Mode
Common Mode
Input Voltage Range
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Large Signal Voltage Gain
Output Voltage Swing
Slew Rate
Gain Bandwidth Product
Supply Current
Offset Adjustment Range
Minimum Supply Voltage
CONDITIONS
0.1Hz to 10Hz
fO = 10Hz
fO = 1000Hz
0.1Hz to 10Hz
fO = 10Hz
fO = 1000Hz
(Note 2)
VCM = ±13.5V
VS = ±1.2V to ±20V
VO = ±12V, RL = 10k
VO = ±10V, RL = 2k
RL = 10k
RL = 2k
RPOT = 10k, Wiper to V+
(Note 3)
LT1097CN8
MIN TYP MAX
10 50
0.3
LT1097S8
MIN TYP MAX
10 60
0.3
40
±40
0.5
16
14
2.2
0.03
0.008
250
±250
60
±50
0.5
16
14
2.4
0.035
0.008
350
±350
30 80
1012
25 70
8•1011
±13.5 ±14.3
±13.5 ±14.3
115 130
115 130
114 130
114 130
700 2500
250 1000
700 2500
250 1000
±13 ±13.8
±11.5 ±13
±13 ±13.8
±11.5 ±13
0.1 0.2
0.1 0.2
700 700
350 560
350 560
±600
±600
±1.2 —
±1.2 —
UNITS
µV
µV/Mo
pA
pA
µVp-p
nV/Hz
nV/Hz
pAp-p
pA/Hz
pA/Hz
M
V
dB
dB
V/mV
V/mV
V
V
V/µs
kHz
µA
µV
V
2


Part Number LT1097
Description Low Cost/ Low Power Precision Op Amp
Maker Linear Technology
Total Page 12 Pages
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