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LT2179IS#TR

Description
Precision Amplifier LT2179 - 17++A Max, Quad, Single Supply, Precision Op Amps
Categorysemiconductor    Amplifier IC    Precision amplifier   
File Size202KB,12 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

LT2179IS#TR Overview

Precision Amplifier LT2179 - 17++A Max, Quad, Single Supply, Precision Op Amps

LT2179IS#TR Parametric

Parameter NameAttribute value
MakerADI
Product Categoryprecision amplifier
RoHSN
seriesLT2179
Number of channels4 Channel
SR - 转换速率 0.025 V/us
CMRR - Common Mode Rejection Ratio103 dB
Output current of each channel5 mA
Ib - input bias current0.003 uA
en - Input voltage noise density49 nV/rtHz
Supply voltage - max.44 V
Supply voltage - min.2.2 V
Working power current0.013 mA
Package/boxSO-14
high1.75 mm
In—input noise current density0.01 pA/rtHz
FEATURES
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LT2178/LT2179
17µA Max, Dual and Quad,
Single Supply, Precision Op Amps
DESCRIPTION
The LT
®
2178 is a micropower dual op amp in a surface
mount standard 8-pin configuration, the LT2179 is a
micropower quad op amp offered in a surface mount
14-pin package. Both devices are optimized for single
supply operation at 5V. Specifications are also provided
at
±15V
supply.
The extremely low supply current is combined with true
precision specifications: offset voltage is 30μV and offset
current is 50pA. Both offset parameters have low drift with
temperature. The 1.5pA
P-P
current noise and picoampere
offset current permit the use the megohm level source
resistors without introducing serious errors. Voltage
noise, at 0.9μV
P-P
, is remarkably low considering the low
supply current.
The LT2178/LT2179 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 resistors are needed.
For surface mount applications where three times higher
supply current is acceptable, the micropower LT1077
single, LT2078 dual and LT2079 quad are recommended.
The LT1077/LT2078/LT2079 have significantly higher
bandwidth, slew rate, lower voltage noise and better output
drive capability. For applications requiring DIP packages
refer to the LT1178/LT1179.
n
SO Package with Standard Pinout
Supply Current per Amplifier: 17μA Max
Offset Voltage: 70μV Max
Offset Current: 250pA Max
Input Bias Current: 5nA Max
Voltage Noise: 0.9μV
P-P
, 0.1Hz to 10Hz
Current Noise: 1.5pA
P-P
, 0.1Hz to 10Hz
Offset Voltage Drift: 0.5μV/°C
Gain Bandwidth Product: 85kHz
Slew Rate: 0.04V/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
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Battery- or Solar-Powered Systems
Portable Instrumentation
Remote Sensor Amplifier
Satellite Circuitry
Micropower Sample-and-Hold
Thermocouple Amplifier
Micropower Filters
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.
TYPICAL APPLICATION
Self-Buffered, Dual Output, Micropower Reference
2
SUPPLY CURRENT PER AMPLIFIER A)
TOTAL BATTERY CURRENT = 28mA
OUTPUT ACCURACY = 0.4% MAX
TEMPERATURE COEFFICIENT = 20ppm/°C
LOAD REGULATION = 25ppm/mA, I
L
≤ 5mA, V
+
≥ 5V
LINE REGULATION = 10ppm/V
* 0.1% FILM RESISTORS
20
Supply Current vs Temperature
1/2 LT2178
1
250k
6
0.1μF
LT1004-1.2
2M
1M*
1M*
21789 TA01
+
+
3
1.2365V
OUTPUT
4V TO 9V
18
V
S
= 15V
16
4
5
8
7
2.470V
OUTPUT
1/2 LT2178
0.1μF
14
V
S
= 5V, 0V
12
V
S
= 1.5V
10
–50
–25
25
50
0
TEMPERATURE (°C)
75
100
21789fc
21789 TA02
1

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Description Precision Amplifier LT2179 - 17++A Max, Quad, Single Supply, Precision Op Amps Precision Amplifiers LT2178 - 17++A Max, Dual and Quad, Single Supply, Precision Op Amps Precision Amplifiers LT2178 - 17++A Max, Dual and Quad, Single Supply, Precision Op Amps Precision Amplifiers LT2178 - 17++A Max, Dual and Quad, Single Supply, Precision Op Amps Precision Amplifiers LT2178 - 17++A Max, Dual and Quad, Single Supply, Precision Op Amps Precision Amplifiers LT2179 - 17++A Max, Quad, Single Supply, Precision Op Amps
Maker ADI ADI ADI - ADI -
Is it Rohs certified? - incompatible incompatible incompatible incompatible incompatible
package instruction - 0.150 INCH, PLASTIC, SO-8 0.150 INCH, PLASTIC, SO-8 0.150 INCH, PLASTIC, SO-8 0.150 INCH, PLASTIC, SO-8 0.150 INCH, PLASTIC, SO-14
Reach Compliance Code - not_compliant not_compliant not_compliant not_compliant not_compliant
ECCN code - EAR99 EAR99 EAR99 EAR99 EAR99
Amplifier type - OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER
Maximum average bias current (IIB) - 0.006 µA 0.007 µA 0.007 µA 0.007 µA 0.007 µA
Nominal Common Mode Rejection Ratio - 104 dB 105 dB 104 dB 104 dB 104 dB
Maximum input offset voltage - 480 µV 650 µV 660 µV 660 µV 750 µV
JESD-30 code - R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G14
JESD-609 code - e0 e0 e0 e0 e0
length - 4.9 mm 4.9 mm 4.9 mm 4.9 mm 8.65 mm
Humidity sensitivity level - 1 1 1 1 1
Nominal Negative Supply Voltage (Vsup) - -15 V -15 V -15 V -15 V -15 V
Number of functions - 2 2 2 2 4
Number of terminals - 8 8 8 8 14
Maximum operating temperature - 70 °C 85 °C 70 °C 70 °C 70 °C
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - SOP SOP SOP SOP SOP
Package shape - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form - SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) - 235 235 235 235 235
Certification status - 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 1.75 mm
Nominal slew rate - 0.04 V/us 0.04 V/us 0.04 V/us 0.04 V/us 0.04 V/us
Maximum slew rate - 0.048 mA 0.056 mA 0.056 mA 0.056 mA 0.112 mA
Nominal supply voltage (Vsup) - 15 V 15 V 15 V 15 V 15 V
surface mount - YES YES YES YES YES
technology - BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR
Temperature level - COMMERCIAL INDUSTRIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form - GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch - 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm
Terminal location - DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature - 20 20 20 20 20
Nominal Uniform Gain Bandwidth - 85 kHz 85 kHz 85 kHz 85 kHz 85 kHz
width - 3.9 mm 3.9 mm 3.9 mm 3.9 mm 3.9 mm
Base Number Matches - - 1 1 1 1
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