Click here to ask an associate for production status of specific part numbers. MAX40080 Precision, Fast Sample-Rate, Digital Current-Sense Amplifier General Description Benefits and Features The MAX40080 is a high-precision, fast-response, bi-di- Programmable Sample Rate up to 1Msps rectional current-sense amplifier with digital output and a Wide Input Common-Mode range from -0.1V (ground very wide input common-mode range from -0.1V (ground sensing) to 36V sensing) to 36V. Programmable Input Sense Range (10mV and 50mV) The device features an ultra-low 5V input offset voltage Very low 5V Input Offset Voltage allows using a and a very low 0.2% gain error. The low input offset volt- small sense resistor age is especially important because it allows using a small 2 I C compliant and SMBus compatible interface with sense resistor, thus saving power dissipation, but at the smart modes to save power: same time not compromising the measurement accuracy. The device also features a programmable input sensing Wake-up current threshold range between 10mV and 50mV (or programmable in- Low 4 measurements/s rate 2 put gain between 125V/V and 25V/V) which is very useful Auto-shutdown when I C is inactive to enhance accuracy at low current. Bi-directional current sensing The device includes an analog-to-digital converter with a Common-Mode Voltage monitoring up to 36V programmable sample rate and 12-bit resolution (13-bit in- Space-saving 12-bump WLP (0.4mm pitch) and 12-pin cluding sign bit for current measurement) and features an TDFN 2 I C compliant and SMBus compatible interface. Peak current Log Programmable over-current/voltage thresholds and The device features a wake-up current threshold and au- under-voltage threshold 2 to-shutdown mode when the I C is inactive. Both these Alert output with programmable response time features are designed to minimize power consumption. 64-cell deep FIFO The device is available in a small 12-pin WLP (and also a 12-pin TDFN) and is specified over the -40C to +125C extended operating temperature range. Applications Server Backplanes Base-Station PA Control Telecom Equipment Battery Operated Devices Industrial Control and Automation Ordering Information appears at end of data sheet. 19-101226 Rev 0 10/21 2021 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. One Analog Way, Wilmington, MA 01887 U.S.A. Tel: 781.329.4700 2021 Analog Devices, Inc. All rights reserved.MAX40080 Precision, Fast Sample-Rate, Digital Current-Sense Amplifier Block Diagram MAX40080 WAKE-UP VDD CURRENT THRESHOLD V ALERT COMP PROGRAMMABLE I RESPONSE TIME VBATT COMP UP TO 36V PROGRAMMABLE VS RESPONSE TIME SDA I RS+ SCL DIGITAL ADC MUX FIFO FILTER R SENSE CSA A0 V RS- PEAK CURRENT LOG LOAD AUTO-SHUTDOWN WHEN INACTIVE GND FLT+ FLT- www.analog.com Analog Devices 2