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Linear Technology Electronic Components Datasheet


LT1001CN8

Precision Operational Amplifier



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LT1001CN8 pdf
LT1001
Precision Operational
Amplifier
FEATURES
s Guaranteed Low Offset Voltage
LT1001AM
15µV max
LT1001C
60µV max
s Guaranteed Low Drift
LT1001AM 0.6µV/°C max
LT1001C 1.0µV/°C max
s Guaranteed Low Bias Current
LT1001AM
2nA max
LT1001C
4nA max
s Guaranteed CMRR
LT1001AM
114dB min
LT1001C
110dB min
s Guaranteed PSRR
LT1001AM
110dB min
LT1001C
106dB min
s Low Power Dissipation
LT1001AM 75mW max
LT1001C
80mW max
s Low Noise 0.3µVP-P
U
APPLICATIONS
s Thermocouple amplifiers
s Strain gauge amplifiers
s Low level signal processing
s High accuracy data acquisition
DESCRIPTION
The LT®1001 significantly advances the state-of-the-
art of precision operational amplifiers. In the design,
processing, and testing of the device, particular atten-
tion has been paid to the optimization of the entire
distribution of several key parameters. Consequently,
the specifications of the lowest cost, commercial tem-
perature device, the LT1001C, have been dramatically
improved when compared to equivalent grades of com-
peting precision amplifiers.
Essentially, the input offset voltage of all units is less
than 50µV (see distribution plot below). This allows the
LT1001AM/883 to be specified at 15µV. Input bias and
offset currents, common-mode and power supply re-
jection of the LT1001C offer guaranteed performance
which were previously attainable only with expensive,
selected grades of other devices. Power dissipation is
nearly halved compared to the most popular precision
op amps, without adversely affecting noise or speed
performance. A beneficial by-product of lower dissipa-
tion is decreased warm-up drift. Output drive capability
of the LT1001 is also enhanced with voltage gain
guaranteed at 10 mA of load current. For similar perfor-
mance in a dual precision op amp, with guaranteed
matching specifications, see the LT1002. Shown below
is a platinum resistance thermometer application.
, LTC and LT are registered trademarks of Linear Technology Corporation.
+15
1.2k**
Linearized Platinum Resistance Thermometer
with ±0.025°C Accuracy Over 0 to 100°C
1MEG.**
R plat.
1k= 0°C
330k* 20k GAIN
TRIM
10k* 2
LT1001
3+
6
10k*
1 µf
2
LT1001
3+
6
OUTPUT
LINEARITY
200TRIM
0 TO 10V =
0 TO 100°C
LM129
90k* 20k
OFFSET TRIM
10k*
* ULTRONIX 105A WIREWOUND
** 1% FILM
PLATINUM RTD
118MF (ROSEMOUNT, INC.)
Trim sequence: trim offset (0 °C = 1000.0),
trim linearity (35 °C = 1138.7), trim gain
(100 °C = 1392.6). Repeat until all three
points are fixed with ±0.025°C.
1001 TA01
Typical Distribution
of Offset Voltage
VS = ±15V, TA = 25°C
200 954 UNITS
FROM THREE RUNS
150
100
50
0
–60 –40 –20 0 20 40 60
INPUT OFFSET VOLTAGE (MICROVOLTS)
1001 TA02
1



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LT1001CN8 pdf
LT1001
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ...................................................... ±22V
Differential Input Voltage ...................................... ±30V
Input Voltage ........................................................ ±22V
Output Short Circuit Duration ......................... Indefinite
Operating Temperature Range
LT1001AM/LT1001M ....................... – 55°C to 150°C
LT1001AC/LT1001C .............................. 0°C to 125°C
Storage: All Devices.......................... – 65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
OFFSET ADJUST
8
1 7 V+
–IN 2
6 OUT
+
35
+IN 4 NC
V– (CASE)
H PACKAGE
METAL CAN
ORDER PART NUMBER
LT1001AMH/883
LT1001MH
LT1001ACH
LT1001CH
VOS
TRIM 1
–IN 2
+IN 3
V– 4
TOP VIEW
+
VOS
8 TRIM
7 V+
6 OUT
5 NC
J8 PACKAGE
N8 PACKAGE
8 PIN HERMETIC DIP 8 PIN PLASTIC DIP
S8 PACKAGE
8 PIN PLASTIC SO
LT1001AMJ8/883
LT1001MJ8
LT1001ACJ8
LT1001CJ8
LT1001ACN8
LT1001CN8
LT1001CS8
S8 PART MARKING
1001
ELECTRICAL CHARACTERISTICS VS = ±15V, TA = 25°C, unless otherwise noted
SYMBOL PARAMETER
VOS Input Offset Voltage
VOS
Time
IOS
Ib
en
en
Long Term Input Offset Voltage
Stability
Input Offset Current
Input Bias Current
Input Noise Voltage
Input Noise Voltage Density
AVOL Large Signal Voltage Gain
CMRR
PSRR
Rin
VOUT
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Input Resistance Differential Mode
Input Voltage Range
Maximum Output Voltage Swing
SR Slew Rate
GBW Gain-Bandwidth Product
Pd Power Dissipation
See Notes on page 3.
CONDITIONS
Note 1 LT1001AM/883
LT1001AC
Notes 2 and 3
0.1Hz to 10Hz (Note 2)
fO = 10Hz (Note 5)
fO = 1000Hz (Note 2)
RL 2k, VO = ±12V
RL 1kVO = ±10V
VCM = ±13V
VS = ±3V to ±18V
RL 2k
RL 1k
RL 2k(Note 4)
(Note 4)
No load
No load, VS = ±3V
LT1001AM/883
LT1001AC
MIN TYP MAX
7 15
10 25
LT1001M/ LT1001C
MIN TYP MAX
18 60
0.2
0.3
±0.5
0.3
10.3
9.6
450 800
300 500
114 126
110 123
30 100
±13 ±14
±13 ±14
±12 ±13.5
0.1 0.25
0.4 0.8
46
4
1.0
2.0
±2.0
0.6
18.0
11.0
75
6
0.3 1.5
0.4 3.8
±0.7 ±4.0
0.3 0.6
10.5 18.0
9.8 11.0
400 800
250 500
110 126
106 123
15 80
±13 ±14
±13 ±14
±12 ±13.5
0.1 0.25
0.4 0.8
48 80
48
UNITS
µV
µV/month
nA
nA
µVp-p
nVHz
V/mV
dB
dB
M
V
V
V
V/µs
MHz
mW
2



Part Number LT1001CN8
Description Precision Operational Amplifier
Maker Linear Technology - Linear Technology
Total Page 12 Pages
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