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LT1881IN8

Description
Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps
CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size295KB,18 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

LT1881IN8 Overview

Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps

LT1881IN8 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerADI
package instruction0.300 INCH, PLASTIC, DIP-8
Reach Compliance Codenot_compliant
ECCN codeEAR99
Amplifier typeOPERATIONAL AMPLIFIER
Maximum average bias current (IIB)0.0007 µA
Nominal Common Mode Rejection Ratio125 dB
Maximum input offset voltage150 µV
JESD-30 codeR-PDIP-T8
JESD-609 codee0
length10.16 mm
Humidity sensitivity level1
Negative supply voltage upper limit-20 V
Nominal Negative Supply Voltage (Vsup)-15 V
Number of functions2
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height3.937 mm
Nominal slew rate0.4 V/us
Supply voltage upper limit20 V
Nominal supply voltage (Vsup)15 V
surface mountNO
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Nominal Uniform Gain Bandwidth850 kHz
width7.62 mm
FEATURES
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n
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n
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n
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LT1881/LT1882
Dual and Quad
Rail-to-Rail Output, Picoamp
Input Precision Op Amps
DESCRIPTION
The LT
®
1881 and LT1882 op amps bring high accuracy
input performance to amplifiers with rail-to-rail output
swing. Input bias currents and capacitive load driving
capabilities are superior to the similar LT1884 and LT1885
amplifiers, at the cost of a slight loss in speed. Input
offset voltage is trimmed to less than 50μV and the
low drift maintains this accuracy over the operating
temperature range. Input bias currents are an ultralow
200pA maximum.
The amplifiers work on any total power supply voltage
between 2.7V and 36V (fully specified from 5V to ±15V).
Output voltage swings to within 40mV of the negative
supply and 220mV of the positive supply make these
amplifiers good choices for low voltage single supply
operation.
Capacitive loads up to 1000pF can be driven directly in
unity-gain follower applications.
The dual LT1881 and LT1881A are available with standard
pinouts in S8 and PDIP packages. The quad LT1882 is in a
14-pin SO package. For a higher speed device with similar
DC specifications, see the LT1884/LT1885.
Offset Voltage: 50μV Maximum (LT1881A)
Input Bias Current: 200pA Maximum (LT1881A)
Offset Voltage Drift: 0.8μV/°C Maximum
Rail-to-Rail Output Swing
Supply Range: 2.7V to 36V
Operates with Single or Split Supplies
Open-Loop Voltage Gain: 1 Million Minimum
1mA Maximum Supply Current Per Amplifier
Stable at A
V
= 1, C
L
= 1000pF
Standard Pinouts
Wide Operating Temperature Range:
–55°C to 125°C (LT1882)
APPLICATIONS
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n
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n
Thermocouple Amplifiers
Bridge Transducer Conditioners
Instrumentation Amplifiers
Battery-Powered Systems
Photo Current Amplifiers
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
16-Bit Voltage Output DAC on ± 5V Supply
5V
26
24
22
20
18
16
14
12
10
8
6
4
2
0
V
S
= ±15V
40 N8 (1 LOT)
144 S8 (2 LOTS)
184 TOTAL PARTS
TC V
OS
Distribution, Industrial Grade
5V
+
LT1881
LT1634
4.096V
R1
–5V
R
COM
REF
R
OFS
33pF
5V
DAC
PERCENT OF UNITS (%)
1.65k
LT1881
1 –0.9 –0.8 –0.7 –0.6 –0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
INPUT OFFSET VOLTAGE DRIFT (μV/°C)
18812 TA01b
LTC
®
1597
+
–5V
V
OUT
–4.096V
TO 4.096V
18812 TA01a
18812fb
1

LT1881IN8 Related Products

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Description Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifiers Dual R-to-R Output Picoamp OA Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifiers Dual R-to-R Output Picoamp OA Precision Amplifiers LT1881 - Dual Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifiers Dual R-to-R Output Picoamp OA Precision Amplifier LT1882 - Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps Precision Amplifier 2x R2R Out, pA In Prec Op Amps Precision Amplifier Dual R-to-R Output Picoamp OA
Is it Rohs certified? incompatible conform to incompatible incompatible conform to incompatible conform to incompatible conform to conform to
Maker ADI ADI ADI ADI ADI ADI ADI ADI ADI ADI
package instruction 0.300 INCH, PLASTIC, DIP-8 DIP, SOP, DIP, DIP, SOP, DIP, SOP, SOP, 0.150 INCH, PLASTIC, SO-8
Reach Compliance Code not_compliant compliant not_compliant not_compliant compliant not_compliant compliant not_compliant compliant compliant
Amplifier type OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER
Maximum average bias current (IIB) 0.0007 µA 0.0006 µA 0.00025 µA 0.00025 µA 0.0007 µA 0.00025 µA 0.00025 µA 0.0006 µA 0.0007 µA 0.0007 µA
Nominal Common Mode Rejection Ratio 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB 125 dB
Maximum input offset voltage 150 µV 125 µV 85 µV 85 µV 150 µV 85 µV 85 µV 125 µV 150 µV 110 µV
JESD-30 code R-PDIP-T8 R-PDIP-T8 R-PDSO-G8 R-PDIP-T8 R-PDIP-T8 R-PDSO-G8 R-PDIP-T8 R-PDSO-G14 R-PDSO-G8 R-PDSO-G8
JESD-609 code e0 e3 e0 e0 e3 e0 e3 e0 e3 e3
length 10.16 mm 10.16 mm 4.9 mm 10.16 mm 10.16 mm 4.9 mm 10.16 mm 8.65 mm 4.9 mm 4.9 mm
Humidity sensitivity level 1 1 1 1 1 1 1 1 1 1
Negative supply voltage upper limit -20 V -20 V -20 V -20 V -20 V -20 V -20 V -20 V -20 V -20 V
Nominal Negative Supply Voltage (Vsup) -15 V -15 V -15 V -15 V -15 V -15 V -15 V -15 V -15 V -15 V
Number of functions 2 2 2 2 2 2 2 4 2 2
Number of terminals 8 8 8 8 8 8 8 14 8 8
Maximum operating temperature 85 °C 70 °C 70 °C 70 °C 85 °C 70 °C 70 °C 70 °C 85 °C 85 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code DIP DIP SOP DIP DIP SOP DIP SOP SOP SOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form IN-LINE IN-LINE SMALL OUTLINE IN-LINE IN-LINE SMALL OUTLINE IN-LINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED 235 NOT SPECIFIED NOT SPECIFIED 235 NOT SPECIFIED 235 260 260
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 3.937 mm 3.937 mm 1.75 mm 3.937 mm 3.937 mm 1.75 mm 3.937 mm 1.75 mm 1.75 mm 1.75 mm
Nominal slew rate 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us 0.4 V/us
Supply voltage upper limit 20 V 20 V 20 V 20 V 20 V 20 V 20 V 20 V 20 V 20 V
Nominal supply voltage (Vsup) 15 V 15 V 15 V 15 V 15 V 15 V 15 V 15 V 15 V 15 V
surface mount NO NO YES NO NO YES NO YES YES YES
Temperature level INDUSTRIAL COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) MATTE TIN Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb) MATTE TIN Tin/Lead (Sn/Pb) Matte Tin (Sn) Matte Tin (Sn)
Terminal form THROUGH-HOLE THROUGH-HOLE GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING THROUGH-HOLE GULL WING GULL WING GULL WING
Terminal pitch 2.54 mm 2.54 mm 1.27 mm 2.54 mm 2.54 mm 1.27 mm 2.54 mm 1.27 mm 1.27 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED 20 NOT SPECIFIED NOT SPECIFIED 20 NOT SPECIFIED 20 30 30
Nominal Uniform Gain Bandwidth 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz 850 kHz
width 7.62 mm 7.62 mm 3.9 mm 7.62 mm 7.62 mm 3.9 mm 7.62 mm 3.9 mm 3.9 mm 3.9 mm
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