MAX9643UASA+ Maxim Integrated, MAX9643UASA+ Datasheet
MAX9643UASA+
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MAX9643UASA+ Summary of contents
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High-Speed Precision Current-Sense Amplifier General Description The MAX9643 is a high-speed 60V precision unidirec- tional current-sense amplifier ideal for a wide variety of power-supply control applications. Its high signal band- width allows its use within DC-DC switching converter power-supply ...
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... V = 60V RS+ RS- Input Offset Current (Note 6) Maximum Sense Voltage Before Input Saturation Maxim Integrated CP2 to GND ............................................. (V Short-Circuit Duration ................................................Continuous Continuous Input Current into Any Pin ............................ Q20mA ESD on RS+, RS- .......................................................Q4kV HBM ESD on All Other Pins ................................................Q2kV HBM Maximum Power Dissipation Operating Temperature Range ........................ -40NC to +125NC Junction Temperature ...
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... CMRR, and PSRR are measured with the charge pump off Note 6: Guaranteed by design and/or characterization. Note 7: The maximum V of the MAX9643T is 400mV. With the gain = 2.5V/V, the output swing high is not applicable to the SENSE MAX9643T. Maxim Integrated = -40NC to +125NC, unless otherwise noted.) (Note 3) SYMBOL CONDITIONS MAX9643T MAX9643U T = +25NC ...
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... INPUT OFFSET VOLTAGE (V) GAIN ERROR vs. COMMON-MODE VOLTAGE 0.20 0.18 0.16 0.14 0.12 0.10 0.08 0.06 0.04 0. COMMON-MODE VOLTAGE (V) Maxim Integrated Typical Operating Characteristics SUPPLY CURRENT vs. SUPPLY VOLTAGE 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0 SUPPLY VOLTAGE (V) GAIN ERROR vs. TEMPERATURE 0.20 0.18 0.16 0.14 0.12 0.10 0.08 0.06 0.04 0. -50 - TEMPERATURE (° ...
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... FREQUENCY (kHz) OUTPUT-VOLTAGE LOW vs. OUTPUT SINK CURRENT 600 500 400 300 200 100 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 OUTPUT SINK CURRENT (mA) Maxim Integrated Typical Operating Characteristics (continued) SMALL SIGNAL vs. FREQUENCY (MAX9643T -10 10,000 1 10 100 ...
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... GND 1µs/div INPUT SENSE VOLTAGE SATURATION (V = 12V) CM GND GND 200µs/div CHARGE-PUMP NOISE GND 1µs/div Maxim Integrated Typical Operating Characteristics (continued) OUTPUT LOW-SATURATION RECOVERY RESPONSE (INPUT SIGNAL = 0V TO 20mV) MAX9643T V RS_ GND 200ns/div MAX9643 toc16 MAX9643T MAX9643 toc18 ...
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... High-Speed Precision Current-Sense Amplifier PIN NAME 1 GND CP1 4 CP2 5 RS OUT — EP Maxim Integrated TOP VIEW OUT V RS- RS MAX9643 + GND V CP1 CP2 EE TDFN Ground Charge-Pump Output. Connect 1µF to GND. Positive Terminal of 1µF Flying Capacitor Negative Terminal of 1µ ...
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... The MAX9643 EV kit shows a good example layout. A representation is shown in Figure 1. Maxim Integrated The use of an internal negative voltage rail for its input stage allows the current-sense amplifier to extend its input common-mode voltage below ground without any crossover inaccuracies ...
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... Chip Information PROCESS: BiCMOS Maxim Integrated Choose R U Voltage loss: A high R power-source voltage to reduce due to IR drop. For minimal voltage loss, use the lowest R U Accuracy: A high measured more accurately ...
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... For the latest package outline information and land patterns (footprints 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 TYPE 8 TDFN-EP Maxim Integrated PACKAGE CODE OUTLINE NO. T823+1 MAX9643 Package Information LAND PATTERN NO ...
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... Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed ...