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LT2079AC

Description
DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8
CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size346KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Related ProductsFound2parts with similar functions to LT2079AC
Download Datasheet Parametric Compare View All

LT2079AC Overview

DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8

LT2079AC Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSOIC
package instructionSOP, SOP14,.25
Contacts14
Reach Compliance Codecompli
ECCN codeEAR99
Amplifier typeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Maximum average bias current (IIB)0.009 µA
Maximum bias current (IIB) at 25C0.008 µA
Nominal Common Mode Rejection Ratio112 dB
frequency compensationYES
Maximum input offset voltage410 µV
JESD-30 codeR-PDSO-G14
JESD-609 codee0
length8.65 mm
low-dissonanceYES
micropowerYES
Negative supply voltage upper limit-22 V
Nominal Negative Supply Voltage (Vsup)-15 V
Number of functions4
Number of terminals14
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP14,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)245
power supply5/+-15 V
Certification statusNot Qualified
Maximum seat height1.75 mm
minimum slew rate0.04 V/us
Nominal slew rate0.1 V/us
Maximum slew rate0.292 mA
Supply voltage upper limit22 V
Nominal supply voltage (Vsup)15 V
surface mountYES
technologyBIPOLAR
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Nominal Uniform Gain Bandwidth200 kHz
Minimum voltage gain110000
width3.9 mm
LT 2078/LT 2079
Micropower, Dual and
Quad, Single Supply,
Precision Op Amps
FEATURES
s
s
s
s
s
s
s
s
s
s
DESCRIPTION
The LT
®
2078 is a micropower dual op amp in 8-pin small
outline, standard surface mount package, and LT2079 is
a micropower quad op amp offered in the standard 14-pin
surface mount package. Both devices are optimized for
single supply operation at 5V.
±15V
specifications are also
provided.
Micropower performance of competing devices is achieved
at the expense of seriously degrading precision, noise,
speed and output drive specifications. The design effort of
the LT2078/LT2079 was concentrated on reducing sup-
ply current without sacrificing other parameters. The
offset voltage achieved is the lowest on any dual or quad
nonchopper stabilized op amp––micropower or other-
wise. Offset current, voltage and current noise, slew rate
and gain bandwidth product are all two to ten times better
than on previous micropower op amps.
Both the LT2078/LT2079 can be operated from a single
supply (as low as one lithium cell or two NiCd batteries).
The input range goes below ground. The all NPN output
stage swings to within a few millivolts of ground while
sinking current––no power consuming pull-down resis-
tors are needed. For applications requiring DIP packages
refer to the LT1078/LT1079.
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
SO Package with Standard Pinout
Supply Current per Amplifier: 50µA Max
Offset Voltage: 70µV Max
Offset Current: 250pA Max
Voltage Noise: 0.6µV
P-P
, 0.1Hz to 10Hz
Current Noise: 3pA
P-P
, 0.1Hz to 10Hz
Offset Voltage Drift: 0.4µV/°C
Gain Bandwidth Product: 200kHz
Slew Rate: 0.07V/µs
Single Supply Operation
Input Voltage Range Includes Ground
Output Swings to Ground while Sinking Current
No Pull-Down Resistors Needed
Output Sources and Sinks 5mA Load Current
APPLICATIONS
s
s
s
s
Battery or Solar-Powered Systems
Portable Instrumentation
Remote Sensor Amplifier
Satellite Circuitry
Micropower Sample-and-Hold
Thermocouple Amplifier
Micropower Filters
TYPICAL APPLICATION
Single Battery, Micropower, Gain = 100, Instrumentation Amplifier
10.1k
1M
1M
3V
(Li-Ion)
8
7
OUT
Distribution of Input Offset Voltage
800
700
V
S
= 5V, 0V
5000 OP AMPS
TYPICAL PERFORMANCE
INPUT OFFSET VOLTAGE = 40µV
INPUT OFFSET CURRENT = 0.2nA
TOTAL POWER DISSIPATION = 240µW
COMMON MODE REJECTION = 110dB (AMPLIFIER LIMITED)
GAIN BANDWIDTH PRODUCT = 200kHz
OUTPUT NOISE = 85
µV
P-P
0.1Hz TO 10Hz
= 300
µV
RMS
OVER FULL BANDWIDTH
INPUT RANGE = 0.03V TO 1.8V
OUTPUT RANGE= 0.03V TO 2.3V
(0.3mV
V
IN+
– V
IN–
23mV)
OUTPUTS SINK CURRENT—NO PULL-DOWN RESISTORS
+
+
INVERTING 3
–INPUT
NONINVERTING 5
+INPUT
A
1/2 LT2078
1
10.1k
6
NUMBER OF OP AMPS
2
600
500
400
300
200
100
0
–120
–80
–40
40
80
0
INPUT OFFSET VOLTAGE (µV)
120
2078/79 • TA02
B
1/2 LT2078
4
LT2078/79 • TA01
U
U
U
1

LT2079AC Related Products

LT2079AC LT2079C LT2079I LT2079AI LT2079 LT2078IS8 LT2078CS8 LT2078ACS8 LT2078AIS8 LT2078
Description DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8 DUAL OP-AMP, 430 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8
Amplifier type OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER
Maximum input offset voltage 410 µV 540 µV 700 µV 500 µV 430 µV 600 µV 460 µV 330 µV 430 µV 430 µV
length 8.65 mm 8.65 mm 8.65 mm 8.65 mm 4.9 mm 4.9025 mm 4.9025 mm 4.9025 mm 4.9025 mm 4.9 mm
Number of functions 4 4 4 4 2 2 2 2 2 2
Number of terminals 14 14 14 14 8 8 8 8 8 8
Maximum operating temperature 70 °C 70 °C 85 °C 85 °C 85 Cel 85 °C 70 °C 70 °C 85 °C 85 Cel
Minimum operating temperature - - -40 °C -40 °C -40 Cel -40 °C - - -40 °C -40 Cel
surface mount YES YES YES YES YES YES YES YES YES YES
Temperature level COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Minimum voltage gain 110000 80000 60000 80000 80000 60000 80000 110000 80000 80000
width 3.9 mm 3.9 mm 3.9 mm 3.9 mm 3.9 mm 3.899 mm 3.899 mm 3.899 mm 3.899 mm 3.9 mm
Is it Rohs certified? incompatible incompatible incompatible incompatible - incompatible incompatible incompatible incompatible -
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) - Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) -
Parts packaging code SOIC SOIC SOIC SOIC - SOIC SOIC SOIC SOIC -
package instruction SOP, SOP14,.25 SOP, SOP14,.25 SOP, SOP14,.25 SOP, SOP14,.25 - SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25 0.150 INCH, PLASTIC, SOP-8 -
Contacts 14 14 14 14 - 8 8 8 8 -
Reach Compliance Code compli compli compli compli - _compli _compli _compli _compli -
ECCN code EAR99 EAR99 EAR99 EAR99 - EAR99 EAR99 EAR99 EAR99 -
Architecture VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK - VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK -
Maximum average bias current (IIB) 0.009 µA 0.011 µA 0.012 µA 0.01 µA - 0.012 µA 0.011 µA 0.009 µA 0.01 µA -
Maximum bias current (IIB) at 25C 0.008 µA 0.01 µA 0.01 µA 0.008 µA - 0.01 µA 0.01 µA 0.008 µA 0.008 µA -
Nominal Common Mode Rejection Ratio 112 dB 112 dB 110 dB 110 dB - 110 dB 112 dB 112 dB 110 dB -
frequency compensation YES YES YES YES - YES YES YES YES -
JESD-30 code R-PDSO-G14 R-PDSO-G14 R-PDSO-G14 R-PDSO-G14 - R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 -
JESD-609 code e0 e0 e0 e0 - e0 e0 e0 e0 -
low-dissonance YES YES YES YES - YES YES YES YES -
micropower YES YES YES YES - YES YES YES YES -
Negative supply voltage upper limit -22 V -22 V -22 V -22 V - -22 V -22 V -22 V -22 V -
Nominal Negative Supply Voltage (Vsup) -15 V -15 V -15 V -15 V - -15 V -15 V -15 V -15 V -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY -
encapsulated code SOP SOP SOP SOP - SOP SOP SOP SOP -
Encapsulate equivalent code SOP14,.25 SOP14,.25 SOP14,.25 SOP14,.25 - SOP8,.25 SOP8,.25 SOP8,.25 SOP8,.25 -
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR -
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE - SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE -
Peak Reflow Temperature (Celsius) 245 245 245 NOT SPECIFIED - 235 235 235 235 -
power supply 5/+-15 V 5/+-15 V 5/+-15 V 5/+-15 V - 5/+-15 V 5/+-15 V 5/+-15 V 5/+-15 V -
Certification status Not Qualified Not Qualified Not Qualified Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified -
Maximum seat height 1.75 mm 1.75 mm 1.75 mm 1.75 mm - 1.752 mm 1.752 mm 1.752 mm 1.752 mm -
minimum slew rate 0.04 V/us 0.04 V/us 0.04 V/us 0.04 V/us - 0.04 V/us 0.04 V/us 0.04 V/us 0.04 V/us -
Nominal slew rate 0.1 V/us 0.1 V/us 0.1 V/us 0.1 V/us - 0.1 V/us 0.1 V/us 0.1 V/us 0.1 V/us -
Maximum slew rate 0.292 mA 0.34 mA 0.38 mA 0.32 mA - 0.19 mA 0.17 mA 0.146 mA 0.16 mA -
Supply voltage upper limit 22 V 22 V 22 V 22 V - 22 V 22 V 22 V 22 V -
Nominal supply voltage (Vsup) 15 V 15 V 15 V 15 V - 15 V 15 V 15 V 15 V -
technology BIPOLAR BIPOLAR BIPOLAR BIPOLAR - BIPOLAR BIPOLAR BIPOLAR BIPOLAR -
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) -
Terminal pitch 1.27 mm 1.27 mm 1.27 mm 1.27 mm - 1.27 mm 1.27 mm 1.27 mm 1.27 mm -
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED - 20 20 20 20 -
Nominal Uniform Gain Bandwidth 200 kHz 200 kHz 200 kHz 200 kHz - 200 kHz 200 kHz 200 kHz 200 kHz -

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