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LT1112AC Datasheet

  • LT1112AC

  • Linear Technology [Dual/Quad Low Power Precision, Picoamp I...

  • LINER

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LT1112/LT1114
Dual/Quad Low Power
Precision, Picoamp Input Op Amps
FEATURES
s
s
s
DESCRIPTIO
s
s
s
s
s
s
s
s
s
S8 Package 鈥?Standard Pinout
Offset Voltage 鈥?Prime Grade: 60碌V Max
Offset Voltage 鈥?Low Cost Grade
(Including Surface Mount Dual/Quad): 75碌V Max
Offset Voltage Drift: 0.5碌V/擄C Max
Input Bias Current: 250pA Max
0.1Hz to 10Hz Noise: 0.3碌V
P-P
, 2.2pA
P-P
Supply Current per Amplifier: 400碌A(chǔ) Max
CMRR: 120dB Min
Voltage Gain: 1 Million Min
Guaranteed Specs with
鹵1.0V
Supplies
Guaranteed Matching Specifications
LT1114 in Narrow Surface Mount Package
The LT1112 dual and LT1114 quad op amps achieve a new
standard in combining low cost and outstanding precision
specifications.
The performance of the selected prime grades matches or
exceeds competitive devices. In the design of the LT1112/
LT1114 however, particular emphasis has been placed on
optimizing performance in the low cost plastic and SO
packages. For example, the 75碌V maximum offset voltage
in these low cost packages is the lowest on any dual or
quad non-chopper op amp.
The LT1112/LT1114 also provide a full set of matching
specifications, facilitating their use in such matching
dependent applications as two and three op amp instru-
mentation amplifiers.
Another set of specifications is furnished at
鹵1V
supplies.
This, combined with the low 320碌A(chǔ) supply current per
amplifier, allows the LT1112/LT1114 to be powered by
two nearly discharged AA cells.
Protected by U.S. Patents 4,575,685; 4,775,884 and 4,837,496
APPLICATI
s
s
s
s
s
s
S
Picoampere/Microvolt Instrumentation
Two and Three Op Amp Instrumentation Amplifers
Thermocouple and Bridge Amplifiers
Low Frequency Active Filters
Photo Current Amplifiers
Battery-Powered Systems
Dual Output, Buffered Reference (On Single 3V Supply)
TOTAL SUPPLY CURRENT = 700碌A(chǔ)
2V REFERENCE: SOURCES 1.7mA, SINKS 5mA
R
X
OPTIONAL R
X
= 300鈩?INCREASES SOURCE
CURRENT TO 5mA
0.765V REFERENCE: SOURCES 5mA,
SINKS 0.5mA
TEMPERATURE COEFFICIENT LIMITED
BY REFERENCE = 20ppm/擄C
2.000V
MINIMUM SUPPLY = 2.7V
3V
30
25
15k
PERCENT OF UNITS
75k
0.1%
LT1004-1.2
46.4k
0.1%
+
5
鈥?/div>
6
+
3
鈥?/div>
2
8
1
20
15
10
5
1/2 LT1112
1/2 LT1112
4
7
0.765V
0
鈥?0 鈥?0
LT1112/14 鈥?TA01
U
Distribution of Input Offset Voltage
(In All Packages)
V
S
= 鹵15V
T
A
= 25擄C
50
30
鈥?0 鈥?0 10
INPUT OFFSET VOLTAGE (碌V)
70
LT1112/14 鈥?TA02
UO
1

LT1112AC PDF文件相關(guān)型號

LT1112AM,LT1112C,LT1114C,LT1114M,LT1114S

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