LT1990ACS8#PBF

Product Overview

Category

The LT1990ACS8#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic circuits for current sensing and monitoring applications.

Characteristics

• High accuracy and precision in current measurement.
• Wide input voltage range.
• Low power consumption.
• Small form factor.
• Robust design for reliable operation.

Package

The LT1990ACS8#PBF is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the LT1990ACS8#PBF is its ability to accurately measure and monitor current in electronic circuits.

Packaging/Quantity

This product is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: -0.3V to +44V
• Supply Voltage Range: 2.7V to 36V
• Operating Temperature Range: -40°C to +85°C
• Gain Error: ±0.5%
• Offset Voltage: ±50μV
• Bandwidth: 500kHz
• Quiescent Current: 1.2mA

Detailed Pin Configuration

The LT1990ACS8#PBF has the following pin configuration:

1. IN+
2. IN-
3. REF
4. V-
5. OUT
6. GND
7. NC
8. V+

Functional Features

• High common-mode rejection ratio (CMRR).
• Built-in fault detection and protection mechanisms.
• Low input bias current.
• Adjustable gain through external resistors.
• Wide supply voltage range.

Advantages and Disadvantages

Advantages

• Accurate and precise current measurement.
• Wide input voltage range allows for versatile applications.
• Low power consumption for energy-efficient designs.
• Compact form factor enables integration into space-constrained circuits.
• Robust design ensures reliable operation in various environments.

Disadvantages

• Limited output current capability.
• Requires external resistors for gain adjustment.
• Sensitive to electromagnetic interference (EMI) due to high gain.

Working Principles

The LT1990ACS8#PBF operates based on the principle of measuring the voltage drop across a sense resistor connected in series with the current being monitored. This voltage drop is amplified and converted into a proportional output voltage, which can be further processed or displayed.

Detailed Application Field Plans

The LT1990ACS8#PBF finds applications in various fields, including:

1. Power management systems.
2. Battery monitoring and charging circuits.
3. Motor control and protection.
4. Industrial automation and control systems.
5. Automotive electronics.
6. Renewable energy systems.

Detailed and Complete Alternative Models

1. INA219: Similar functionality with higher accuracy and built-in communication interface.
2. MAX4080: Higher output current capability with lower input offset voltage.
3. AD8210: Wide input voltage range with integrated overcurrent detection.

These alternative models offer similar functionalities to the LT1990ACS8#PBF, but with varying specifications and features.

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