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LT1490AIS8
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LT1490AIS8
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Datasheet LT1490AIS8 DataSheet
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In Stock5799
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Specifications
| Attribute | Value |
| Package / Case | Tube |
| Series | LT® |
| Part Status | Active |
| Amplifier Type | General Purpose |
| Number of Circuits | 2 |
| Output Type | Rail-to-Rail |
| Slew Rate | 0.06V/µs |
| Gain Bandwidth Product | 200 kHz |
| Current - Input Bias | 1 nA |
| Voltage - Input Offset | 285 µV |
| Supply Current | 50µA (x2 Channels) |
| Current - Output / Channel | 25 mA |
| Voltage - Supply Span(Min) | 2 V |
| Voltage - Supply Span(Max) | 44 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Overview
Description
Key specifications include a bandwidth of 1MHz and a slew rate of 0.4V/µs, making it suitable for a wide range of applications such as sensor signal conditioning, battery-powered systems, and portable instruments. The device operates over a wide temperature range, typically from -40°C to 85°C, ensuring reliability in various environments.
Packaged in an 8-lead SOIC (Small Outline Integrated Circuit), the LT1490AIS8 is compact and easy to integrate into existing designs. Its low quiescent current of 40µA per amplifier makes it ideal for energy-conscious designs. This op-amp is favored for its balance of performance, power efficiency, and precision.
Equivalent
1. Texas Instruments OPA2132 - a dual precision operational amplifier known for low distortion and wide bandwidth.
2. Analog Devices AD822 - a dual precision op-amp offering low noise and low distortion.
3. Maxim Integrated MAX4478 - a dual operational amplifier with low power consumption and rail-to-rail output.
These alternatives offer similar performance characteristics in terms of precision and power consumption. However, always verify specific requirements for compatibility with your application.
Features
1. Low Power Consumption: It operates with a supply current of approximately 1.5μA per amplifier, making it suitable for battery-powered applications.
2. Wide Supply Voltage Range: Operates from a supply voltage as low as 2V up to 44V, offering flexibility for various applications.
3. Input Common Mode Range: Includes the negative supply, allowing for single-supply operation.
4. Rail-to-Rail Output: The output can swing within millivolts of the supply rails, maximizing dynamic range.
5. Low Input Bias Current: With input bias currents typically around 3pA, it is suitable for high-impedance sensor interfaces.
6. Durable Design: The amplifier is designed to withstand over-voltage conditions, safeguarding against potential damage.
7. Temperature Range: It is specified for operation over a wide temperature range, ensuring reliability in diverse environments.
8. Package Options: Available in SO-8 and other compact packages, facilitating integration into space-constrained designs.
These features make the LT1490AIS8 ideal for precision low-power applications, such as portable instrumentation and remote sensors.
Pinout
1. Pin 1 (OUT A): Output of Op-Amp A.
2. Pin 2 (IN– A): Inverting input of Op-Amp A.
3. Pin 3 (IN+ A): Non-inverting input of Op-Amp A.
4. Pin 4 (V–): Negative power supply voltage.
5. Pin 5 (IN+ B): Non-inverting input of Op-Amp B.
6. Pin 6 (IN– B): Inverting input of Op-Amp B.
7. Pin 7 (OUT B): Output of Op-Amp B.
8. Pin 8 (V+): Positive power supply voltage.
The LT1490AIS8 is typically used in applications requiring high precision and low power consumption, such as sensor interfacing, signal conditioning, and portable instrumentation.
Manufacturer
Application
1. Signal Conditioning: Ideal for amplifying low-level signals in sensors and data acquisition systems.
2. Instrumentation: Used in medical and industrial instrumentation for precise measurements.
3. Active Filters: Suitable for designing active low-pass, high-pass, and band-pass filters.
4. Data Acquisition Systems: Enhances the accuracy of ADCs by providing a stable reference.
5. Portable Devices: Its low power consumption makes it suitable for battery-operated devices.
6. Telecommunications: Used in signal processing within communication equipment.
These applications leverage the device's low noise, low power, and high precision characteristics.