Dual/Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps; Package: SO; No of Pins: 14; Temperature Range: 0°C to +70°C
|Manufacturer :||Analog Devices, Inc|
|Product Categories :||Operational Amplifiers|
|Datasheet:||LT1491ACS Datasheet (PDF)|
|RoHs Status:||Lead free / RoHS Compliant|
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LT1491ACS Product Details
The LT1490A/LT1491ACS are dual and quad op amps with a low input offset voltage of 500µV max. The LT1490A/LT1491ACS 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/LT1491ACS includes both supplies and the output swings to both supplies. Unlike most micropower op amps, the LT1490A/LT1491ACS can drive heavy loads; their rail-to-rail outputs drive 20mA. The LT1490A/LT1491ACS are unity-gain stable and drive all capacitive loads up to 10,000pF when optional 0.22µF and 150Ω compensation is used.
The LT1490A/LT1491ACS 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 3mm × 3mm × 0.8mm, dual fine pitch leadless package (DFN). The quad LT1491ACS is available in the 14-pin SO, PDIP and 5mm × 3mm × 0.8mm DFN packages.
- 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
- Battery- or Solar-Powered Systems
- Portable Instrumentation
- Sensor Conditioning
- Supply Current Sensing
- Battery Monitoring
- Micropower Active Filters
- 4mA to 20mA Transmitters
- Number of Circuits
- Number of Channels
- Slew Rate
- 60.0 mV/μs
- Gain Bandwidth Product
- 200 kHz
- Product Lifecycle Status
- Mounting Style
- Surface Mount
- Number of Pins
- Lead Free Status
- Contains Lead
LT1491A Technical Documentation/Data sheet
LT1491ACS Related Products
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Estimated Delivery Time: Jun 10 - Jun 15 days (choose Expedited at checkout).
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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
- Q: How does Jotrin guarantee that LT1491ACS is the original manufacturer or agent of ADI?
- We have a professional business development department to strictly test and verify the qualifications of ADI original manufacturers and agents. All ADI suppliers must pass the qualification review before they can publish their LT1491ACS devices; we pay more attention to the channels and quality of LT1491ACS products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of LT1491ACS chips? Including ADI original factory information, Operational Amplifiers application, LT1491ACS pictures?
- You can use Jotrin's intelligent search engine, or filter by Operational Amplifiers (Op Amps) ; Rail-to-Rail Op Amps category, or find it through Analog Devices, Inc Information page.
- Q: Are the ADI's LT1491ACS price and stock displayed on the platform accurate?
- The ADI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LT1491ACS, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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- Q: What is the process for returns or replacement of LT1491ACS?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the LT1491ACS we delivered, we will accept the replacement or return of the LT1491ACS only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LT1491ACS.
(3)The LT1491ACS is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
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