Manufacturer Part Number
MAX9919NASA+T
Manufacturer
Maxim Integrated
Introduction
The MAX9919NASA+T is a precision, low-power, current-sense amplifier with rail-to-rail input and output capability.
Product Features and Performance
Rail-to-rail input and output
Low-power operation (1mA supply current)
High-bandwidth (120kHz -3dB bandwidth)
Low input offset voltage (400µV)
Low input bias current (175µA)
High common-mode rejection ratio (100dB)
Low noise (12nV/√Hz)
Wide operating temperature range (-40°C to 125°C)
Product Advantages
Precision current sensing for power management and control applications
Enables accurate measurement of current in high-side or low-side configurations
Compact 8-SOIC package with exposed pad for improved thermal performance
Key Technical Parameters
Manufacturer Part Number: MAX9919NASA+T
Amplifier Type: Current Sense
Number of Circuits: 1
Voltage Supply Span (Min/Max): 4.5V to 5.5V
Current Supply: 1mA
Slew Rate: 3V/µs
Voltage Input Offset: 400µV
Current Input Bias: 175µA
-3dB Bandwidth: 120kHz
Quality and Safety Features
RoHS3 compliant
Qualified for automotive and industrial applications
Compatibility
Suitable for a wide range of applications, including power supplies, motor controls, and current sensing in industrial and automotive systems.
Application Areas
Power management and control
Current sensing in high-side or low-side configurations
Industrial and automotive electronics
Product Lifecycle
The MAX9919NASA+T is an active product and is not nearing discontinuation.
Replacements and upgrades may be available from Maxim Integrated, but specific information should be confirmed with the manufacturer.
Key Reasons to Choose This Product
Precision current sensing with high accuracy and low offset voltage
Low-power operation for energy-efficient designs
Wide bandwidth and fast slew rate for responsive current monitoring
Compact and thermally-efficient package for space-constrained applications
Broad operating temperature range for industrial and automotive environments
RoHS3 compliance for environmentally-friendly solutions