Professional IC Distribution & Technical Solutions

The MAX9911EXT+T is a precision, high-side current-sense amplifier manufactured by MAXIM Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: MAXIM Integrated
• Part Number: MAX9911EXT+T
• Package: 6-Pin TDFN-EP (3mm x 3mm)
• Operating Voltage Range: 2.7V to 28V
• Input Common-Mode Voltage Range: -0.1V to +28V (independent of supply voltage)
• Gain Options: 20V/V, 50V/V, 100V/V (fixed)
• Bandwidth: 500kHz (typical)
• Quiescent Current: 85µA (typical)
• Offset Voltage: ±150µV (max at 25°C)
• Operating Temperature Range: -40°C to +125°C
• Output Type: Rail-to-Rail

Descriptions:

The MAX9911EXT+T is a high-side current-sense amplifier designed for precision measurement of current in applications such as battery monitoring, power management, and motor control. It operates with a wide common-mode voltage range and provides a fixed gain for accurate current sensing. The device features low offset voltage and low quiescent current, making it suitable for power-sensitive applications.

Features:

• Wide Input Common-Mode Range (-0.1V to +28V)
• Low Offset Voltage (±150µV max)
• Fixed Gain Options (20V/V, 50V/V, 100V/V)
• Rail-to-Rail Output Swing
• Low Quiescent Current (85µA typical)
• Small 6-Pin TDFN-EP Package
• Wide Supply Voltage Range (2.7V to 28V)
• High Bandwidth (500kHz typical)
• AEC-Q100 Qualified (for automotive applications)

This device is ideal for applications requiring high-side current sensing with high accuracy and minimal power consumption.