LT1990IS8-10#PBF

Product Overview

Category

The LT1990IS8-10#PBF belongs to the category of integrated circuits (ICs) specifically designed for current sensing applications.

Use

This product is primarily used for accurate measurement and monitoring of current in various electronic systems.

Characteristics

• High precision: The LT1990IS8-10#PBF offers exceptional accuracy in current sensing, making it suitable for demanding applications.
• Wide input voltage range: It can handle a wide range of input voltages, allowing for versatile use in different circuit designs.
• Low power consumption: This IC is designed to consume minimal power, ensuring efficient operation and reducing energy consumption.
• Small package size: The LT1990IS8-10#PBF comes in a compact S8 package, enabling space-saving integration into electronic devices.
• Robustness: It is built to withstand harsh operating conditions, making it suitable for industrial and automotive applications.

Package and Quantity

The LT1990IS8-10#PBF is available in an S8 package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 2.7V to 36V
• Input Common Mode Voltage Range: -0.3V to VCC + 0.3V
• Operating Temperature Range: -40°C to 125°C
• Gain Error: ±0.1%
• Offset Voltage: ±50µV
• Bandwidth: 200kHz
• Quiescent Current: 500µA

Pin Configuration

The LT1990IS8-10#PBF has eight pins arranged as follows:

```

---

| | --| V+ OUT |-- --| IN+ GND |-- --| IN- REF |-- --| V- ADJ |-- --| VCC NC |-- --| VEE |-- |___________| ```

Functional Features

1. High Accuracy: The LT1990IS8-10#PBF provides precise current sensing, ensuring accurate measurements in various applications.
2. Wide Input Voltage Range: It can handle a wide range of input voltages, making it suitable for diverse circuit designs.
3. Low Power Consumption: The IC is designed to minimize power consumption, enhancing energy efficiency in electronic systems.
4. Overvoltage Protection: The LT1990IS8-10#PBF incorporates overvoltage protection, safeguarding the IC and the connected circuitry.
5. Temperature Compensation: It features temperature compensation mechanisms to maintain accuracy across varying operating temperatures.

Advantages and Disadvantages

Advantages

• High precision current sensing
• Wide input voltage range
• Low power consumption
• Compact package size
• Robust design for harsh environments

Disadvantages

• Relatively higher cost compared to some alternative models
• Limited availability in certain regions

Working Principles

The LT1990IS8-10#PBF utilizes a differential amplifier configuration to measure current accurately. It compares the voltage drop across a sense resistor with a reference voltage and amplifies the difference. This amplified signal is then outputted for further processing or monitoring.

Application Field Plans

The LT1990IS8-10#PBF finds application in various fields, including:

1. Industrial Automation: Current monitoring in motor control systems, power supplies, and robotics.
2. Automotive Electronics: Battery management, electric vehicle charging systems, and motor control units.
3. Renewable Energy: Solar panel monitoring, wind turbine control, and battery charging systems.
4. Telecommunications: Power distribution units, network equipment, and data centers.
5. Consumer Electronics: Power management in smartphones, tablets, and wearable devices.

Alternative Models

1. LT1990ACS8-10#PBF
2. LT1990AIS8-10#PBF
3. LT1990HIS8-10#PBF
4. LT1990CMS8-10#PBF
5. LT1990CIS8-10#PBF

These alternative models offer similar functionality and performance to the LT1990IS8-10#PBF, providing options for different design requirements.

In conclusion, the LT1990IS8-10#PBF is a high-precision current sensing IC with wide application potential in various industries. Its accuracy, versatility, and robustness make it an excellent choice for demanding electronic systems requiring precise current measurements.