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MAX40016 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX40016 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 22 page  General Description The MAX40016 is a very wide range current sense amplifier (CSA) with internal sense element that senses from less than 300µA to greater than 3A current range. The 4-decade sensed current functions with 1% (typical) gain error and offers three, multiplexed programmable output ranges in order to interface with 12-bit ADCs. Having an integrated sense element has the extra advantage that the entire current measuring path can be factory-trimmed, saving the user from having to calibrate independent sense resistors and CSAs. The MAX40016 (WLP package) drops a typical of 60mV at 3A from the voltage input to load output. The MAX40016's integrated current-sensing element saves the space and cost of an external high-power, precision current sense resistor. The MAX40016 is offered in an ultra-tiny, 1.98mm x 1.31mm, 15-bump wafer- level package (WLP), further reducing board space. The MAX40016 is also available in a 4mm x 4mm 16-pin TQFN package. The MAX40016 operates with a supply voltage from 2.5V to 5.5V. The device features a low-power mode in which the current-sensing element remains on, but the outputs are turned off to reduce the total supply current below 10µA (max). The MAX40016 also includes a committed on-board amplifier with an internal gain of 1.5V/V. The MAX40016 operates over the -40°C to +125°C temperature range. Applications ● Mobile Devices ● RF Power Monitoring ● Portable Instruments Ordering Information appears at end of data sheet. 19-100232; Rev 2; 11/18 Benefits and Features ● Integrated Current Sense Element Saves The Space and Cost of Expensive Precision Sense Resistors ● 4-Decade Measurement Range • Maintains Accuracy from < 300µA to > 3A ● Withstands Overloads to 4A ● Low Voltage Drop Across Sense Element • 60mV (Active Mode, 3A Load, WLP Package) • 35mV (Low Power Mode, 3A Load, WLP Package) ● Three Multiplexed Scaling Resistor Outputs Allow Full Dynamic Range while Interfaced to 12-bit ADCs ● +2.5V to +5.5V Input Supply Voltage Range ● Low Power Mode Reduces Supply Current to 10µA Max ● Space-Saving • Tiny 1.98mm x 1.3mm, 15-Bump WLP • 4mm x 4mm 16-Pin TQFN ● -40°C to +125°C Operating Temperature Range MAX40016 4-Decade Current Sense Amplifier with Integrated Current Sense Element EVALUATION KIT AVAILABLE Click here for production status of specific part numbers. |
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