LT1490ACS8#PBF

20mA 2 110uV 60V/ms 1nA 98dB 40uA 180kHz Rail-to-Rail Input, Rail-to-Rail Output SO-8 Instrumentation, Op Amps, Buffer Amps RoHS

SO-8ROHS3 CompliantActive

Manufacturer: ADI
Manufacturer part #: LT1490ACS8#PBF
Store part #: C117366
Package / case: SO-8
Category: Instrumentation, Op Amps, Buffer Amps
Packaging: Tube-packed

Datasheet (PDF)

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12 in stock

#C117366

Stock & price checked 9 days ago

Quantity	Unit price	Pack price
1+	₹1,248.37	₹1,248.37
10+	₹1,073.67	₹10,736.70
30+	₹967.19	₹29,015.70
100+	₹877.89	₹87,789.00

Quantity (min 1)

1 × ₹1,248.37

₹1,248.37

excl. GST

₹1,473.08 incl. 18% GST

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Standard pack: 100 per tube

LT1490ACS8#PBF

₹1,248.37 for 1 + GST

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Specifications

Output Current: 20mA
Number of Channels: 2
Vos - Input Offset Voltage: 110uV
Slew Rate: 60V/ms
Input Offset Current(Ios): 200pA
Operating Temperature: 0℃~+70℃
Ib - Input Bias Current: 1nA
Common Mode Rejection Ratio(CMRR): 98dB
Input Offset Voltage Drift(Vos TC): 2uV/℃
Quiescent Current: 40uA
Gain Bandwidth Product: 180kHz
Input Voltage Noise Density: 50nV/√Hz@1kHz
Rail to Rail: Rail-to-Rail Input, Rail-to-Rail Output
Single Supply: 2V~44V

Packaging & compliance

RoHS: ROHS3 Compliant
Lifecycle: Active
ECCN: EAR99
Packaging: Tube-packed
Standard pack: 100 / Tube
Sold per: Piece
Minimum order: 1
Unit weight: 0.188 g

Overview

The LT1490A/LT1491A are dual and quad op amps with a low input offset voltage of 500μV max. The LT1490A/LT1491A operate on all single and split supplies with a total voltage of 2V to 44V, drawing only 40μA of quiescent current per amplifier. These amplifiers are reverse supply protected; they draw virtually no current for reverse supply up to 18V. The input range of the LT1490A/LT1491A includes both supplies and the output swings to both supplies. Unlike most micropower op amps, the LT1490A/LT1491A can drive heavy loads; their rail-to-rail outputs drive 20mA. The LT1490A/LT1491A are unity-gain stable and drive all capacitive loads up to 10,000pF when optional 0.22μF and 150 compensation is used. The LT1490A/LT1491A have a unique input stage that operates and remains high impedance when above the positive supply. The inputs take 44V both differential and common mode even when operating on a 3V supply. Built-in resistors protect the inputs for faults below the negative supply up to 15V. There is no phase reversal of the output for inputs 15V below V- or 44V above V-, independent of V+ The LT1490A dual op amp is available in the 8-pin MSOP, PDIP and SO packages. For space limited applications LT1490A is available in a 3mmx3mmx0.8mm, dual fine pitch leadless package (DFN). The quad LT1491A is available in the 14-pin SO, PDIP and 5mmx3mmx0.8mm DFN packages.

Applications

Battery- or Solar-Powered Systems
Portable Instrumentation
Sensor Conditioning
Supply Current Sensing
Battery Monitoring
Micropower Active Filters
4mA to 20mA Transmitters

Key features

Low Input Offset Voltage: 500μV
Max Output Swings to 10mV Max from V-
Rail-to-Rail Input and Output
Micropower: 50μA /Amplifier Max
Over-The-Top Input Common Mode Range Extends 44V Above V-, Independent of V+
Specified on 3V, 5V and ±15V Supplies
High Output Current: 20mA
Output Drives 10,000pF with Output Compensation
Reverse Battery Protection to 18V
No Supply Sequencing Problems
High Voltage Gain: 1500V/mV
High CMRR: 98dB
No Phase Reversal
Gain Bandwidth Product: 200kHz
Tiny 3mm×3mm×0.8mm DFN Package

Alternatives

Similar parts — check the datasheet before substituting.

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