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PDF LT1013 Data sheet ( Hoja de datos )
| Número de pieza | LT1013 | |
| Descripción | Dual Precision Op Amp | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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Features
n Single Supply Operation
Input Voltage Range Extends to Ground
Output Swings to Ground While Sinking Current
n Pin Compatible to 1458 and 324 with Precision Specs
n Guaranteed Offset Voltage: 150µV Max
n Guaranteed Low Drift: 2µV/°C Max
n Guaranteed Offset Current: 0.8nA Max
n Guaranteed High Gain
5mA Load Current: 1.5 Million Min
17mA Load Current: 0.8 Million Min
n Guaranteed Low Supply Current: 500µA Max
n Low Voltage Noise, 0.1Hz to 10Hz: 0.55µVP-P
n Low Current Noise—Better than 0P-07, 0.07pA/√Hz
Applications
n Battery-Powered Precision Instrumentation
Strain Gauge Signal Conditioners
Thermocouple Amplifiers
Instrumentation Amplifiers
n 4mA to 20mA Current Loop Transmitters
n Multiple Limit Threshold Detection
n Active Filters
n Multiple Gain Blocks
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
LT1013/LT1014
Quad Precision Op Amp (LT1014)
Dual Precision Op Amp (LT1013)
Description
TheLT ®1014isthefirstprecisionquadoperationalamplifier
which directly upgrades designs in the industry standard
14-pin DIP LM324/LM348/OP-11/4156 pin configuration.
It is no longer necessary to compromise specifications,
while saving board space and cost, as compared to single
operational amplifiers.
The LT1014’s low offset voltage of 50µV, drift of 0.3µV/°C,
offset current of 0.15nA, gain of 8 million, common mode
rejection of 117dB and power supply rejection of 120dB
qualify it as four truly precision operational amplifiers.
Particularly important is the low offset voltage, since no
offset null terminals are provided in the quad configuration.
Although supply current is only 350µA per amplifier, a new
output stage design sources and sinks in excess of 20mA
of load current, while retaining high voltage gain.
Similarly, the LT1013 is the first precision dual op amp in the
8-pin industry standard configuration, upgrading the per-
formance of such popular devices as the MC1458/MC1558,
LM158 and OP-221. The LT1013’s specifications are similar
to (even somewhat better than) the LT1014’s.
Both the LT1013 and LT1014 can be operated off a single
5V power supply: input common mode range includes
ground; the output can also swing to within a few millivolts
of ground. Crossover distortion, so apparent on previous
single-supply designs, is eliminated. A full set of specifica-
tions is provided with ± 15V and single 5V supplies.
Typical Application
3-Channel Thermocouple Thermometer
4k 1M
3k
5V
299k
LT1004
1.2V
+ 12
14 LT1014
– 13
1684Ω
YSI 44007
5k
AT 25°C
260Ω 1.8k
5V
2– 4
3 +LT1014
1 OUTPUT A
10mV/°C
11
1M
4k
USE TYPE K THERMOCOUPLES. ALL RESISTORS = 1% FILM.
COLD JUNCTION COMPENSATION ACCURATE
TO ±1°C FROM 0°C TO 60°C.
USE 4TH AMPLIFIER FOR OUTPUT C.
6–
5 +LT1014
7 OUTPUT B
10mV/°C
LT1014 Distribution of Offset Voltage
700
VS = ±15V
600
TA = 25°C
425 LT1014s
(1700 OP AMPS)
500 TESTED FROM
THREE RUNS
400 J PACKAGE
300
200
100
0
–300 –200 –100 0
100 200
INPUT OFFSET VOLTAGE (µV)
300
1013/14 TA02
10134fd
1 page  
LT1013/LT1014
Electrical Characteristics The l denotes the specifications which apply over the temperature range
– 55°C ≤ TA ≤ 125°C. VS = ±15V, VCM = 0V unless otherwise noted.
SYMBOL PARAMETER
VOS Input Offset Voltage
Input Offset Voltage Drift
IOS Input Offset Current
IB Input Bias Current
AVOL
CMRR
PSRR
VOUT
Large-Signal Voltage Gain
Common Mode Rejection
Power Supply Rejection
Ratio
Output Voltage Swing
IS Supply Current
Per Amplifier
CONDITIONS
VS = 5V, 0V; VO = 1.4V
– 55°C ≤ TA ≤ 100°C
VCM = 0.1V, TA = 125°C
VCM = 0V, TA = 125°C
(Note 3)
VS = 5V, 0V; VO = 1.4V
VS = 5V, 0V; VO = 1.4V
VO = ±10V, RL = 2k
VCM = 13.0V, –14.9V
VS = ±2V to ±18V
RL = 2k
VS = 5V, 0V
ROLut=pu6t0L0oΩwto Ground
Output High
VS = 5V, 0V; VO = 1.4V
LT1013AM
MIN TYP MAX
l 80 300
LT1014AM
MIN TYP MAX
90 350
LT1013M/LT1014M
MIN TYP MAX
110 550
UNITS
µV
l 80 450
120 450
250 900
90 480
150 480
300 960
100 750
200 750
400 1500
µV
µV
µV
l 0.4 2.0
0.4 2.0
0.5 2.5 µV/°C
l 0.3 2.5
l 0.6 6.0
0.3 2.8
0.7 7.0
0.4 5.0
0.9 10.0
nA
nA
l 15 30
l 20 80
15 30
25 90
18 45
28 120
nA
nA
l 0.5 2.0
0.4 2.0
0.25 2.0
V/µV
l 97 114
96 114
94 113
dB
l 100 117
100 117
97 116
dB
l ±12 ±13.8
±12 ±13.8
±11.5 ±13.8
V
l 6 15
6 15
6 18
l 3.2 3.8
3.2 3.8
3.1 3.8
l 0.38 0.60
l 0.34 0.55
0.38 0.60
0.34 0.55
0.38 0.7
0.34 0.65
mV
V
mA
mA
10134fd
5 Page 
Applications Information
Low Supply Operation
The minimum supply voltage for proper operation of the
LT1013/LT1014 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
LT1013/14 F06
Typical Applications
50MHz Thermal RMS-to-DC Converter
5V Single Supply Dual Instrumentation Amplifier
100k*
5V
30k*
10k
30k*
1µF
2 – 0.01
3 +LT1014
300Ω*
100k*
0.01
13 –
0.01
INPUT
300mV–
10VRMS
BRN
RED
10k 12 +LT1014
1µF
RED BRN
T1A T1B
GRN
T2B T2A
GRN
1 10k*
10k*
14
20k
FULL-
SCALE
TRIM
10k*
5V
6– 4
5 +LT1014
10k*
11
10 +
10k LT1014
9–
10k*
10k*
7
8
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.
+INPUT
1/2 LTC1043
65
2
1µF
3
–INPUT 18
15
+INPUT
1/2 LTC1043
78
0V TO 4V
OUTPUT
–INPUT
13
11
1µF
12
14
16
0.01
1013/14 TA03
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 = 150mV
R1
GAIN
=
R2
R1
+
1.
CMRR = 120dB.
COMMON MODE RANGE IS 0V TO 5V.
1013/14 TA04
10134fd
11
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet LT1013.PDF ] | |
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