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LT1491AIS from LT

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LT1491AIS

Manufacturer: LT

Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps

Partnumber Manufacturer Quantity Availability
LT1491AIS LT 133 In Stock

Description and Introduction

Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps The LT1491AIS is a precision operational amplifier (op-amp) manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** ±2.2V to ±15V (4.4V to 30V single supply)  
- **Input Offset Voltage:** 75µV (max)  
- **Input Offset Voltage Drift:** 0.6µV/°C (typ)  
- **Input Bias Current:** 1nA (max)  
- **Input Noise Voltage:** 0.9µVp-p (0.1Hz to 10Hz)  
- **Gain Bandwidth Product:** 1.2MHz  
- **Slew Rate:** 0.5V/µs  
- **Common Mode Rejection Ratio (CMRR):** 120dB (min)  
- **Power Supply Rejection Ratio (PSRR):** 120dB (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Lead SOIC  

### **Descriptions:**
- The LT1491AIS is a low-power, precision op-amp designed for high-accuracy applications.  
- It features ultra-low input offset voltage and drift, making it suitable for precision signal conditioning.  
- The device operates with very low input bias current, reducing errors in high-impedance circuits.  
- It is optimized for single or dual-supply operation with rail-to-rail output swing.  

### **Features:**
- **Low Power Consumption:** 400µA per amplifier (typ)  
- **Rail-to-Rail Output Swing**  
- **Low Input Offset Voltage and Drift**  
- **High CMRR and PSRR**  
- **Wide Supply Voltage Range**  
- **Stable with Capacitive Loads**  
- **ESD Protected (3kV HBM)**  

The LT1491AIS is commonly used in precision instrumentation, medical devices, data acquisition systems, and sensor interfaces.

Application Scenarios & Design Considerations

Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps

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