MAX40056F/MAX40056T/ Bidirectional Current Sense MAX40056U Amplifier with PWM-Rejection Absolute Maximum Ratings RS+ and RS- to GND .. -5V to +70V Continuous Power Dissipation (Multi Layer Board) (TA = RS+ to RS- ... ±2V +70°C, derate 4.8mW/°C above +70°C) ...390mW VDD to GND .. -0.3V to +6V Operating Temperature Range ...-40°C to +125°C REF, CIP, OUT, COP To GND ... -0.3V to VDD + 0.3V Storage Temperature Range ..-65°C to +150°C Continuous Current in REF, CIP ... 5mA Continuous Current in OUT and COP ... 10mA Continuous Current in RS+ and RS- ... 10mA Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Package Information8 µMAX Package Code U8+4 Outline Number 21-0036 Land Pattern Number 90-0092 Thermal Resistance, Four-Layer Board: Junction-to-Ambient (θJA) 206°C/W Junction-to-Case Thermal Resistance (θJC) 42°C/W 8 WLP Package Code W81B2+1 Outline Number 21-100255 Land Pattern Number Refer to Application Note 1891 Thermal Resistance, Four-Layer Board: Junction-to-Ambient (θJA) 74.65°C/W For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/ thermal-tutorial. www.maximintegrated.com Maxim Integrated | 2 Document Outline General Description Applications Benefits and Features Typical Operating Characteristic and Simplified Block Diagram Absolute Maximum Ratings Package Information 8 µMAX 8 WLP Electrical Characteristics Typical Operating Characteristics Pin Configuration Pin Description Detailed Description Overview PWM Rejection Input Stage Low Input Offset Voltage and Low Gain Error CSA Output Voltage Reference Window Comparator and Hysteresis Applications Information Input Sense Voltage Range Choice of Reference Voltage Important Considerations Kelvin Connections Stray Inductance Typical Application Circuits Current Sensing in a 3-Phase Servo Motor Ordering Information Revision History