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LT1097S8#PBF

P1-P3P4-P6P7-P9P10-P12
1
LT1097
Low Cost, Low Power
Precision Op Amp
FEATURES
DESCRIPTION
U
■
Offset Voltage 50µV Max
■
Offset Voltage Drift 1µV/°C Max
■
Bias Current 250pA Max
■
Offset Current 250pA Max
■
Bias and Offset Current Drift 4pA/°C Max
■
Supply Current 560µA Max
■
0.1Hz to 10Hz Noise 0.5µVp-p, 2.2pAp-p
■
CMRR 115dB Min
■
Voltage Gain 117dB Min
■
PSRR 114dB Min
■
Guaranteed Operation on Two NiCad Batteries
APPLICATIONS
U
■
Replaces OP-07/OP-77/OP-97/OP-177/AD707/
LT1001 with Improved Price/Performance
■
High Impedance Difference Amplifiers
■
Logarithmic Amplifiers (Wide Dynamic Range)
■
Thermocouple Amplifiers
■
Precision Instrumentation
■
Active Filters (with Small Capacitors)
TYPICAL APPLICATION
U
, 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 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.
+
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
PERCENT OF UNITS
LT1097 • G01
50
40
30
20
10
0
V
S
= ±15V
T
A
= 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
2
LT1097
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
U
ORDER
PART NUMBER
LT1097CN8
Supply Voltage ...................................................... ±20V
Differential Input Current (Note 1) ...................... ±10mA
Input Voltage ......................................................... ±20V
Output Short Circuit Duration .......................... Indefinite
1
2
3
4
8
7
6
5
TOP VIEW
V
OS
TRIM
–IN
+IN
V
–
V
OS
TRIM
V
+
OUT
OVER COMP
N8 PACKAGE
8-LEAD PLASTIC DIP
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
V
OS
TRIM
–IN
+IN
V
–
V
OS
TRIM
V
+
OUT
OVER COMP
ORDER
PART NUMBER
LT1097S8
ELECTRICAL CHARACTERISTICS
V
S
= ±15V, V
CM
= 0V, T
A
= 25°C, unless otherwise noted.
LT1097CN8 LT1097S8
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage 10 50 10 60 µV
∆V
OS
Long Term Input Offset 0.3 0.3 µV/Mo
∆TIME Voltage Stability
I
OS
Input Offset Current 40 250 60 350 pA
I
B
Input Bias Current ±40 ±250 ±50 ±350 pA
e
n
Input Noise Voltage 0.1Hz to 10Hz 0.5 0.5 µVp-p
Input Noise Voltage Density f
O
= 10Hz 16 16 nV/√Hz
f
O
= 1000Hz 14 14 nV/√Hz
i
n
Input Noise Current 0.1Hz to 10Hz 2.2 2.4 pAp-p
Input Noise Current Density f
O
= 10Hz 0.03 0.035 pA/√Hz
f
O
= 1000Hz 0.008 0.008 pA/√Hz
Input Resistance (Note 2)
Differential Mode 30 80 25 70 MΩ
Common Mode 10
12
8•10
11
Ω
Input Voltage Range ±13.5 ±14.3 ±13.5 ±14.3 V
CMRR Common Mode Rejection Ratio V
CM
= ±13.5V 115 130 115 130 dB
PSRR Power Supply Rejection Ratio V
S
= ±1.2V to ±20V 114 130 114 130 dB
A
VOL
Large Signal Voltage Gain V
O
= ±12V, R
L
= 10k 700 2500 700 2500 V/mV
V
O
= ±10V, R
L
= 2k 250 1000 250 1000 V/mV
V
OUT
Output Voltage Swing R
L
= 10k ±13 ±13.8 ±13 ±13.8 V
R
L
= 2k ±11.5 ±13 ±11.5 ±13 V
SR Slew Rate 0.1 0.2 0.1 0.2 V/µs
GBW Gain Bandwidth Product 700 700 kHz
I
S
Supply Current 350 560 350 560 µA
Offset Adjustment Range R
POT
= 10k, Wiper to V
+
±600 ±600 µV
Minimum Supply Voltage (Note 3) ±1.2 — ±1.2 — V
Operating Temperature Range .................–40°C to 85°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
3
LT1097
ELECTRICAL CHARACTERISTICS
V
S
= ±15V, V
CM
= 0V, 0°C ≤ T
A
≤ 70°C, unless otherwise noted.
LT1097CN8 LT1097S8
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage ● 20 100 20 130 µV
Average Temperature Coefficient of (Note 4) ● 0.2 1 0.2 1.4 µV/°C
Input Offset Voltage
I
OS
Input Offset Current ● 60 430 75 570 pA
Average Temperature Coefficient of (Note 4) ● 0.4 4 0.5 5 pA/°C
Input Offset Current
I
B
Input Bias Current ● ±60 ±430 ±75 ±570 pA
Average Temperature Coefficient of (Note 4) ● 0.4 4 0.5 5 pA/°C
Input Bias Current
A
VOL
Large Signal Voltage Gain V
OUT
= ±12V, R
L
≥ 10k ● 450 2000 450 2000 V/mV
V
OUT
= ±10V, R
L
≥ 2k ● 180 800 180 800 V/mV
CMRR Common Mode Rejection Ratio V
CM
= ±13.5V ● 112 128 112 128 dB
PSRR Power Supply Rejection Ratio V
S
= ±1.3V to ±20V ● 111 128 111 128 dB
Input Voltage Range ● ±13.5 ±14.2 ±13.5 ±14.2 V
V
OUT
Output Voltage Swing R
L
= 10k ● ±13 ±13.7 ±13 ±13.7 V
I
S
Supply Current ● 380 700 380 700 µA
ELECTRICAL CHARACTERISTICS
V
S
= ±15V, V
CM
= 0V, –40°C ≤ T
A
≤ 85°C, unless otherwise noted. (Note 5)
LT1097CN8 LT1097S8
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage ● 25 130 30 170 µV
Average Temperature Coefficient of ● 0.3 1.2 0.3 1.6 µV/°C
Input Offset Voltage
I
OS
Input Offset Current ● 70 600 85 750 pA
Average Temperature Coefficient of ● 0.5 5 0.6 6 pA/°C
Input Offset Current
I
B
Input Bias Current ● ±70 ±600 ±85 ±750 pA
Average Temperature Coefficient of ● 0.5 5 0.6 6 pA/°C
Input Bias Current
A
VOL
Large Signal Voltage Gain V
OUT
= ±12V, R
L
≥ 10k ● 300 1700 300 1700 V/mV
V
OUT
= ±10V, R
L
≥ 2k ● 700 700 V/mV
CMRR Common Mode Rejection Ratio V
CM
= ±13.5V ● 108 127 108 127 dB
PSRR Power Supply Rejection Ratio V
S
= ±1.5V to ±20V ● 108 127 108 127 dB
Input Voltage Range ● ±13.5 ±14 ±13.5 ±14 V
V
OUT
Output Voltage Swing R
L
= 10k ● ±13 ±13.6 ±13 ±13.6 V
I
S
Supply Current ● 400 800 400 800 µA
The ● denotes specifications which apply over the full operating
temperature range.
Note 1: Differential input voltages greater than 1V will cause excessive
current to flow through the input protection diodes unless limiting
resistance is used.
Note 2: This parameter is guaranteed by design and is not tested.
Note 3: Power supply rejection ratio is measured at the minimum supply
voltage.
Note 4: This parameter is not 100% tested.
Note 5: The LT1097 is designed, characterized and expected to meet these
extended temperature limits, but is not tested at –40°C and 85°C.
Guaranteed I grade parts are available; consult factory.
P1-P3P4-P6P7-P9P10-P12

LT1097S8#PBF

Mfr. #:
Buy LT1097S8#PBF
Manufacturer:
Analog Devices Inc.
Description:
Precision Amplifiers Low Cost Low Noise Prec OA
Lifecycle:
New from this manufacturer.
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