LT1990AHS8#TRPBF

Product Overview

Category

The LT1990AHS8#TRPBF 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.
• High common-mode rejection ratio (CMRR).
• Temperature stability.

Package

The LT1990AHS8#TRPBF is available in an 8-pin surface mount package.

Essence

The essence of this product lies in its ability to accurately measure and monitor current in electronic circuits.

Packaging/Quantity

The LT1990AHS8#TRPBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 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: ±0.5%
• Offset Voltage: ±50µV
• Bandwidth: 500kHz
• Quiescent Current: 1.2mA

Detailed Pin Configuration

The LT1990AHS8#TRPBF has the following pin configuration:

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

Functional Features

• High accuracy current sensing.
• Differential input configuration for improved noise rejection.
• Wide supply voltage range allows for versatile applications.
• Low power consumption for energy-efficient designs.
• High common-mode rejection ratio minimizes errors caused by common-mode signals.

Advantages

• Accurate and precise current measurement.
• Wide input voltage range allows for compatibility with various systems.
• Small form factor enables integration into space-constrained designs.
• Low power consumption prolongs battery life in portable applications.
• High common-mode rejection ratio reduces errors caused by noise or interference.

Disadvantages

• Limited bandwidth may not be suitable for high-frequency applications.
• Higher cost compared to some alternative models.
• Sensitivity to temperature variations may require additional compensation circuitry.

Working Principles

The LT1990AHS8#TRPBF utilizes a differential amplifier configuration to measure the voltage drop across a sense resistor, which is proportional to the current flowing through it. The amplified voltage output is then processed to provide an accurate representation of the current being sensed.

Detailed Application Field Plans

The LT1990AHS8#TRPBF finds applications in various fields, including:

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

Detailed and Complete Alternative Models

1. INA219: Similar functionality with I2C interface.
2. ACS712: Hall effect-based current sensor.
3. MAX4172: Precision current-sense amplifier.
4. AD8210: High-voltage, high-side current shunt monitor.

These alternative models offer similar current sensing capabilities but may have different specifications, package options, or additional features.

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