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LT1013 Datasheet, PDF (9/20 Pages) Linear Technology – Quad Precision Op Amp
APPLICATIONS INFORMATION
Low Supply Operation
The minimum supply voltage for proper operation of the
LT1013/1014 is 3.4V (three Ni-Cad batteries). Typical
supply current at this voltage is 290µA, therefore power
dissipation is only one milliwatt per amplifier.
Noise Testing
For applications information on noise testing and calcula-
tions, please see the LT1007 or LT1008 data sheet.
LT1013/LT1014
Test Circuit for Offset Voltage and
Offset Drift with Temperature
50k*
+15V
–
100Ω*
50k*
+
–15V
VO
LT1013
OR LT1014
*RESISTOR MUST HAVE LOW
THERMOELECTRIC POTENTIAL.
**THIS CIRCUIT IS ALSO USED AS THE BURN-IN
CONFIGURATION, WITH SUPPLY VOLTAGES
INCREASED TO ±20V.
VO = 1000VOS
TYPICAL APPLICATIONS
50MHz Thermal rms to DC Converter
5V Single Supply Dual Instrumentation Amplifier
100k*
+5V
0.01
2–
30k* 30k*
10k
LT1014
1
10k*
3+
1µF
300Ω*
100k*
10k*
10k*
+5V
6– 4
LT1014
7
5+
11
10k*
0.01
13 –
0.01
10k
LT1014
14
12 +
INPUT
300mV–
10VRMS
BRN RED
1µF
RED BRN
T1A T1B
GRN
T2B T2A
GRN
10 +
20k
FULL- 10k LT1014
8
SCALE
TRIM
9–
10k*
10k*
2% ACCURACY, DC–50MHz.
100:1 CREST FACTOR CAPABILITY.
* 0.1% RESISTOR.
T1–T2 = YELLOW SPRINGS INST. CO. THERMISTOR COMPOSITE #44018.
ENCLOSE T1 AND T2 IN STYROFOAM.
7.5mW DISSIPATION.
1/2 LTC1043
+INPUT 6
5
2
1µF
3
–INPUT 18
15
+INPUT
1/2 LTC1043
7
8
0V–4V
OUTPUT
11
1µF
12
–INPUT 13
14
16
0.01
+5V
5+ 8
1/2 LT1013
6–
4
1µF
7
OUTPUT A
R2
R1
3+
1/2 LT1013
2–
1µF
1
OUTPUT B
R2
OFFSET = 150µV
R1
GAIN = R2 + 1.
R1
CMRR = 120dB.
COMMON-MODE RANGE IS 0V TO 5V.
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