LT1990HS8#TRPBF

Product Overview

Category

The LT1990HS8#TRPBF belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for precision current sensing applications.

Characteristics

• High accuracy and precision
• Wide input voltage range
• Low power consumption
• Small form factor
• Robust design for harsh environments

Package

The LT1990HS8#TRPBF comes in an 8-pin surface mount package.

Essence

The essence of this product lies in its ability to accurately measure current in various applications.

Packaging/Quantity

The LT1990HS8#TRPBF is typically packaged in reels and is available in quantities suitable for both prototyping and large-scale production.

Specifications

• Input Voltage Range: ±250mV
• Supply Voltage Range: 2.7V to 36V
• Operating Temperature Range: -40°C to 125°C
• Gain Error: ±0.5%
• Offset Voltage: ±50µV
• Bandwidth: 500kHz
• Quiescent Current: 1.3mA

Detailed Pin Configuration

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

Functional Features

• High common-mode rejection ratio (CMRR)
• Low input bias current
• Overvoltage protection
• Thermal shutdown protection
• Wide supply voltage range

Advantages and Disadvantages

Advantages

• Accurate and precise current sensing
• Wide input voltage range allows for versatile applications
• Low power consumption prolongs battery life
• Compact size enables integration into space-constrained designs
• Resilient design ensures reliable operation in challenging environments

Disadvantages

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

Working Principles

The LT1990HS8#TRPBF utilizes a differential amplifier configuration to accurately measure current. It amplifies the voltage difference between the IN+ and IN- pins, allowing for precise current sensing. The IC incorporates various protection mechanisms to ensure safe operation and prevent damage from overvoltage or excessive temperature.

Detailed Application Field Plans

The LT1990HS8#TRPBF finds applications in a wide range of industries, including:

1. Power electronics: Current monitoring in motor drives, power supplies, and inverters.
2. Automotive: Battery management systems, electric vehicle charging stations, and motor control.
3. Industrial automation: Process control, robotics, and instrumentation.
4. Renewable energy: Solar panel monitoring, wind turbine control, and energy storage systems.
5. Medical devices: Patient monitoring, infusion pumps, and diagnostic equipment.

Detailed and Complete Alternative Models

1. AD8210: Precision current shunt monitor with similar specifications.
2. INA240: High-side current sense amplifier with integrated shunt resistor.
3. MAX4080: Precision high-side current-sense amplifier with adjustable gain.

These alternative models offer comparable functionality and can be considered as substitutes for the LT1990HS8#TRPBF.

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