LT1990ACS8#TRPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics:
  • High precision current sensing
  • Wide input voltage range
  • Low offset voltage and drift
  • Rail-to-rail output swing
• Package: 8-Lead SOIC (Small Outline Integrated Circuit)
• Essence: The LT1990ACS8#TRPBF is a current sense amplifier designed for accurate measurement of current in various applications.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: ±2.7V to ±18V
• Input Common Mode Voltage Range: -0.3V to +44V
• Gain Bandwidth Product: 1.5MHz
• Input Offset Voltage: ±200µV (maximum)
• Input Bias Current: ±50nA (maximum)
• Output Voltage Swing: Rail-to-Rail
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LT1990ACS8#TRPBF has the following pin configuration:

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| | | V+ | |_______________| | | | IN+ | |_______________| | | | IN- | |_______________| | | | OUT | |_______________| | | | REF | |_______________| | | | GND | |_______________| ```

Functional Features

• High accuracy current sensing
• Wide input voltage range allows for versatile applications
• Low offset voltage and drift ensure precise measurements
• Rail-to-rail output swing enables full utilization of the output voltage range

Advantages

• Accurate and reliable current sensing
• Versatile input voltage range
• Stable and precise measurements
• Wide output swing for maximum utilization

Disadvantages

• Limited gain bandwidth product compared to some other models
• Higher supply voltage requirement compared to certain alternatives

Working Principles

The LT1990ACS8#TRPBF operates by amplifying the voltage drop across a sense resistor in series with the current being measured. The amplified voltage is then available at the output pin, allowing for accurate measurement and monitoring of the current.

Detailed Application Field Plans

The LT1990ACS8#TRPBF finds applications in various fields, including: 1. Power management systems 2. Battery monitoring and protection circuits 3. Motor control systems 4. Industrial automation 5. Current monitoring in electronic equipment

Detailed and Complete Alternative Models

Some alternative models to the LT1990ACS8#TRPBF that offer similar functionality include: 1. INA219 from Texas Instruments 2. MAX4080 from Maxim Integrated 3. AD8211 from Analog Devices 4. LTC6101 from Linear Technology

These alternative models provide comparable current sensing capabilities and can be considered based on specific application requirements.

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