LT1491A (13)
LT1491A is available from Analog Devices Inc. Inc. at Xecor. Designed for micropower rail-to-rail input and output operation, the LT1491A offers exceptional performance with features such as a low input offset voltage of 500µV max, rail-to-rail input and output, and a high output current of 20mA. Available in a compact 3mm × 3mm × 0.8mm DFN package, it is ideal for applications such as battery- or solar-powered systems, supply current sensing, battery monitoring, and 4mA to 20mA transmitters. Whether used in portable instrumentation, sensor conditioning, or micropower active filters, this series ensures high efficiency and reliability for demanding applications. Xecor is an authorized distributor for Analog Devices Inc. Inc.. Please view our extensive selection of the LT1491A series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LT1491ACS | Quad Over-The-Top | SOIC-14 | 7,538 | |
| LT1491AIS#PBF | Tube packaging for added protection during storage and transportation | SOIC-14 | 7,820 | |
| LT1491AIDHC#TRPBF | Quad amplifier with wide voltage range and DFN EP package | DFN-16 | 7,635 | |
| LT1491AHS#TRPBF | 14-pin SOIC package for easy integration | SOIC-14 | 6,547 | |
| LT1491ACS#PBF | Quad General-Purpose Operational Amplifier with Rail-to-Rail Input/Output, ±22V/44V, 14-Pin SOIC | SOIC-14 | 3,229 | |
| LT1491ACDHC#TRPBF | 16-pin DFN EP package with ±22V/44V voltage range | DFN-16 | 2,118 | |
| LT1491AHS#PBF | High-performance op amp for precision applications | SOIC-14 | 7,877 | |
| LT1491ACS#TRPBF | Over-The-Top Op Amps with R2R In & Out | SOIC-14 | 3,252 | |
| LT1491ACN#PBF | High-performance op amps for precision applications | PDIP-14 | 4,508 | |
| LT1491ACDHC#PBF | Op Amp Quad Micropower Amplifier R-R I/O ±22V/44V 16-Pin DFN EP Tube | DFN-16 | 5,928 | |
| LT1491AIDHC#PBF | to-rail inputs and outputs | DFN-16 | 2,194 | |
| LT1491AIS#TRPBF | Operational Amplifiers - Op Amps Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps | SOIC-14 | 6,064 | |
| LT1491AIN#PBF | Over-The-Top uP R2R In & Out Op Amps | PDIP-14 | 4,731 |
Key Featrues
Low Input Offset Voltage (500µV Max): This feature ensures high precision in signal amplification, reducing errors in applications like sensor conditioning and battery monitoring, which require accurate measurements.
Rail-to-Rail Input and Output: The ability to handle signals at both supply rails maximizes dynamic range, making the op amps ideal for low-voltage systems and improving performance in portable instrumentation and micropower active filters.
Micropower Operation (50µA/Amplifier Max): The low quiescent current extends battery life in portable and solar-powered systems, enhancing efficiency in energy-sensitive applications.
High Output Current (20mA): This capability allows the op amps to drive heavy loads, such as 4mA to 20mA transmitters, without compromising performance, making them suitable for industrial control systems.
Reverse Battery Protection (Up to 18V): This feature safeguards the op amps from damage due to incorrect power supply connections, ensuring reliability in battery-powered systems and reducing the risk of failure.
Rail-to-Rail Input and Output: The ability to handle signals at both supply rails maximizes dynamic range, making the op amps ideal for low-voltage systems and improving performance in portable instrumentation and micropower active filters.
Micropower Operation (50µA/Amplifier Max): The low quiescent current extends battery life in portable and solar-powered systems, enhancing efficiency in energy-sensitive applications.
High Output Current (20mA): This capability allows the op amps to drive heavy loads, such as 4mA to 20mA transmitters, without compromising performance, making them suitable for industrial control systems.
Reverse Battery Protection (Up to 18V): This feature safeguards the op amps from damage due to incorrect power supply connections, ensuring reliability in battery-powered systems and reducing the risk of failure.
Applications
Battery-Powered Sensor Conditioning: The LT1490A/LT1491A is ideal for conditioning signals from sensors in battery-powered systems, such as portable instrumentation or remote monitoring devices. Its micropower operation and rail-to-rail input/output capabilities ensure accurate signal processing even with low supply voltages, making it suitable for energy-efficient sensor applications in industrial and environmental monitoring.
4mA to 20mA Transmitter: The LT1490A/LT1491A is well-suited for 4mA to 20mA transmitter applications, where its rail-to-rail output and high output current capability enable precise current loop control. Its low quiescent current and reverse battery protection make it ideal for industrial process control systems requiring reliable and efficient signal transmission.
Micropower Active Filters: The LT1490A/LT1491A is perfect for designing micropower active filters in low-power systems, such as portable medical devices or IoT sensors. Its rail-to-rail input/output and unity-gain stability ensure accurate filtering of signals while maintaining low power consumption, making it suitable for applications requiring both precision and energy efficiency.
Battery Monitoring Systems: The LT1490A/LT1491A is ideal for battery monitoring applications, where its low input offset voltage and rail-to-rail input/output capabilities enable precise measurement of battery voltage and current. Its reverse battery protection and micropower operation make it suitable for use in battery management systems for portable electronics, electric vehicles, and renewable energy storage.
4mA to 20mA Transmitter: The LT1490A/LT1491A is well-suited for 4mA to 20mA transmitter applications, where its rail-to-rail output and high output current capability enable precise current loop control. Its low quiescent current and reverse battery protection make it ideal for industrial process control systems requiring reliable and efficient signal transmission.
Micropower Active Filters: The LT1490A/LT1491A is perfect for designing micropower active filters in low-power systems, such as portable medical devices or IoT sensors. Its rail-to-rail input/output and unity-gain stability ensure accurate filtering of signals while maintaining low power consumption, making it suitable for applications requiring both precision and energy efficiency.
Battery Monitoring Systems: The LT1490A/LT1491A is ideal for battery monitoring applications, where its low input offset voltage and rail-to-rail input/output capabilities enable precise measurement of battery voltage and current. Its reverse battery protection and micropower operation make it suitable for use in battery management systems for portable electronics, electric vehicles, and renewable energy storage.
Popular LT1491A Products comparison
LT1491ACDHC#PBF vs LT1491ACDHC#TRPBF
LT1491ACDHC#PBF vs LT1491ACN#PBF
LT1491ACDHC#PBF vs LT1491ACS#PBF
LT1491ACDHC#PBF vs LT1491ACS#TRPBF
LT1491ACDHC#PBF vs LT1491AHS#PBF
LT1491ACDHC#PBF vs LT1491AHS#TRPBF
LT1491ACDHC#PBF vs LT1491AIDHC#PBF
LT1491ACDHC#PBF vs LT1491AIN#PBF
LT1491ACDHC#PBF vs LT1491AIS#PBF
LT1491ACDHC#PBF vs LT1491AIS#TRPBF