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PDF LT1006 Data sheet ( Hoja de datos )
| Número de pieza | LT1006 | |
| Descripción | Precision / Single Supply Op Amp | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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FEATURES
■ Single Supply Operation
Input Voltage Range Extends to Ground
Output Swings to Ground while Sinking Current
■ Guaranteed Offset Voltage: 50µV Max
■ Guaranteed Low Drift: 1.3µV/°C Max
■ Guaranteed Offset Current: 0.5nA Max
■ Guaranteed High Gain
5mA Load Current: 1.5 Million Min
17mA Load Current: 0.8 Million Min
■ Guaranteed Low Supply Current: 520µA Max
■ Supply Current can be Reduced by a Factor of 4
■ Low Voltage Noise, 0.1Hz to 10Hz: 0.55µVP-P
Low Current Noise—
Better than OP-07: 0.07pA/√Hz at 10Hz
■ High Input Impedance: 250MΩ Min
■ Minimum Supply Voltage: 2.7V Min
U
APPLICATIO S
■ Low Power Sample-and-Hold Circuits
■ Battery-Powered Precision Instrumentation
Strain Gauge Signal Conditioners
Thermocouple Amplifiers
■ 4mA to 20mA Current Loop Transmitters
■ Active Filters
LT1006
Precision, Single Supply
Op Amp
DESCRIPTIO
The LT®1006 is the first precision single supply operational
amplifier. Its design has been optimized for single supply
operation with a full set of specifications at 5V.
Specifications at ±15V are also provided.
The LT1006 has a low offset voltage of 20µV, drift of
0.2µV/°C, offset current of 120pA, gain of 2.5 million,
common mode rejection of 114dB and power supply
rejection of 126dB.
Although supply current is only 340µA, a novel output
stage can source or sink in excess of 20mA while retaining
high voltage gain. Common mode input range includes
ground to accommodate low ground-referenced inputs
from strain gauges or thermocouples, and output can
swing to within a few millivolts of ground. If a higher
slew rate (in excess of 1V/µs) or micropower operation
(supply current down to 90µA) is required, the operating
currents can be modified by connecting an external
optional resistor to Pin 8.
For similar single supply precision dual and quad op amps,
please see the LT1013/LT1014 data sheet. For micropower
dual and quad op amps, please see the LT1078/LT1079
data sheet.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
LT1006 Single Supply, Micropower Sample and Hold
9V
360k 1/4 CD4066
390Ω
S3
1/4 CD4066 360k
S4 390Ω
INPUT
0V TO 5V
7
2– 8
A1
3
LT1006
+
4
6
SAMPLE-HOLD COMMAND
HIGH = SAMPLE
LOW = HOLD
1/2 CD4066
S1
S2
1/2 CD4066
LT1006 • TA01
0.01µF
8
2–
A2
7
LT1006
3+ 4
6
OUTPUT
ACQUISITION TIME
HOLD SETTLING TIME
S-H OFFSET
HOLD SUPPLY CURRENT
SAMPLE SUPPLY CURRENT
1kHz SAMPLE RATE CURRENT
20µs
10µs
1mV
250µA
5.0mA
800µA
Distribution of Input Offset Voltage
20
18
VS = 5V, 0V
TA = 25°C
16 350 LT1006s TESTED
FROM TWO RUNS
14 J AND N PACKAGES
12
10
8
6
4
2
0
–80
–40
0
40 80
INPUT OFFSET VOLTAGE (µV)
LT1006 • G01
1006fa
1
1 page  
LT1006
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range. VS = ±15V, –55°C ≤ TA ≤ 125°C, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
LT1006AM
LT1006M
MIN TYP MAX MIN TYP MAX UNITS
VOS
∆VOS
∆Temp
IOS
IB
AVOL
CMRR
PSRR
IS
Input Offset Voltage
Input Offset Voltage Drift
Input Offset Current
Input Bias Current
Large-Signal Voltage Gain
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Maximum Output Voltage Swing
Supply Current
VO = ±10V, RL = 2k
VCM = +13V, –14.9V
VS = ±2V to ±18V, VO = 0V
RL = 2k
●
●
●
●
● 0.5
● 97
● 100
● ±12
●
80
0.5
0.2
9
1.5
114
117
±13.8
400
320 110
2.2 0.6
2.0
18
0.25
94
97
±11.5
650
0.3
11
1.0
113
116
±13.8
400
460 µV
2.8 µV/°C
3.0 nA
27 nA
V/µV
dB
dB
V
750 µA
The ● denotes the specifications which apply over the full operating temperature range. VS = ±15V, 0°C ≤ TA ≤ 70°C, unless otherwise
noted.
SYMBOL PARAMETER
VOS Input Offset Voltage
∆VOS
∆Temp
Input Offset Voltage Drift
IOS
IB
AVOL
CMRR
PSRR
IS
Input Offset Current
Input Bias Current
Large-Signal Voltage Gain
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Maximum Output Voltage Swing
Supply Current
CONDITIONS
J8/H Package
N8 Package
S8 Package
J8/H Package
N8 Package
S8 Package
VO = ±10V, RL = 2k
VCM = 13V, –15V
VS = ±2V to ±18V, VO = 0V
RL = 2k
LT1006AC
LT1006C
MIN TYP MAX MIN TYP MAX UNITS
● 50 200
75 300
µV
● 80 330 µV
●
150 730
µV
● 0.5 2.2
●
●
0.6 2.8 µV/°C
0.7 3.5 µV/°C
1.0 4.5 µV/°C
● 0.15 1
0.25 2
nA
● 8 15
10 23 nA
●1
3
0.7 2.5
V/µV
● 98
116
94 114
dB
● 101
120
97 118
dB
● ±12.5 ±13.9
±11.5 ±13.8
V
● 370 600
380 660
µA
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: This parameter is guaranteed by design and is not tested.
Note 3: Regular operation does not require an external resistor. In order
to program the supply current for low power or high speed operation,
connect an external resistor from Pin 8 to Pin 7 or from Pin 8 to Pin 4,
respectively. Supply current specifications (for RSET = 180k) do not include
current in RSET.
Note 4: Optional offset nulling is accomplished with a potentiometer
connected between the trim terminals and the wiper to V–. A 10k pot
(providing a null range of ±6mV) is recommended for minimum drift of
nulled offset voltage with temperature. For increased trim resolution and
accuracy, two fixed resistors can be used in conjunction with a smaller
potentiometer. For example, two 4.7k resistors tied to Pins 1 and 5, with a
500Ω pot in the middle, will have a null range of ±150µV.
1006fa
5
5 Page 
TYPICAL APPLICATIO S
Platinum RTD Signal Conditioner
with Curvature Correction
+V V = 5.6V TO 10V
39k
LM334
1µF
IK = 100µA
1.21k*
1N457
12k*
5k
400°C
43.2k** TRIM
50k
5°C
TRIM
+V
10k*
1k**
1k**
1k**
RP
1k @
0°C
180k
7
–8
LT1006
+4
1µF 1.21M*
RP = ROSEMOUNT 118MF
** = TRW MAR-6 0.1%
* = 1% METAL FILM
0.02V TO 4V OUT =
2°C TO 400°C
±0.25°C
LT1006 • TA05
LT1006
Voltage Controlled Current Source
with Ground Referred Input and Output
5V
INPUT
0V TO 2V
3
+
7
LT1006
2
–4
6
0.68µF
1k
8
5V
4
7
11
1µF 1µF
12
100Ω
14 13
1/2 LTC1043
17 16
0.001µF
IOUT
=
VIN
100Ω
OPERATES FROM A SINGLE 5V SUPPLY
LT1006 • TA06
Micropower 1MHz V/F Converter
INPUT
0V TO 5V
9V
100Hz
3.1k* TRIM
200k*
220k** TYP
120k** 20k
TYP 1MHz
TRIM
2µF
2k
470k
+ 78
A1
LT1006
–4
0.33µF
47k
0.01µF
VOLTAGE
CONTROLLED
CURRENT
SOURCE
12k
Q8
2N3906
TRIGGER
NC
Q7
3pF 1N4148
STRAY
CAPACI-
TANCE
Q5 1000pF
(POLYSTYRENE)
= 2N3904
* = 1% METAL FILM
** = 1% METAL FILM, SELECTED
= 74C14
Q6
CHARGE PUMP
9V
LM334
2k*
+
10µF
Q1 Q2
Q3 REFERENCE
1 12 11 1 12 11
74C90
74C90
14 14
÷100
Q4
LT1004-2.5
LT1004-1.2
OUTPUT
0MHz TO 1MHz
REFERENCE
SWITCH
0.12% LINEARITY
280µA QUIESCENT CURRENT
680µA AT 1MHz
LT1006 • TA07
1006fa
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet LT1006.PDF ] | |
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