MAX9928F Maxim, MAX9928F Datasheet
MAX9928F
Available stocks
Related parts for MAX9928F
MAX9928F Summary of contents
Page 1
... Denotes a lead-free/RoHS-compliant package Tape and reel. * The MAX9928FABT and the MAX9929FABT use Package Code R61A1+1 with backside coating to minimize die chipping. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ...
Page 2
... Operating Temperature Range ........................-40°C to +125°C Storage Temperature Range ............................-65°C to +150°C + 0.3V) Junction Temperature .....................................................+150°C CC Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) .......................................+260° 0V 10kΩ for MAX9928F, T RS+ RS- OUT CONDITIONS T = +25° 3.6V RS -40° ...
Page 3
... R PULL-UP POWER SUPPLY Supply Voltage Range (Note 10) Amplifier Power-Supply Rejection PSRR Ratio (Note 10) Comparator Power-Supply PSRR Rejection Ratio Quiescent Supply Current _______________________________________________________________________________________ = ( 0V 10kΩ for MAX9928F, T RS+ RS- OUT CONDITIONS MAX9928F OUT MAX9929F MAX9928F 10kΩ OUT V OH MAX9929F T = +25°C ...
Page 4
... SENSE Note 9: Discharge to charge trip point is functionally tested at V Note 10: Guaranteed by PSRR test. Extrapolated V V has to be such that the output voltage is 650mV below V SENSE 4 _______________________________________________________________________________________ = ( 0V 10kΩ for MAX9928F, T RS+ RS- OUT CONDITIONS BW MAX992_F 50mV SENSE MAX992_F 3.6V, ...
Page 5
Input Range, Micropower, Uni-/Bidirectional, Current-Sense Amplifiers (V = 3.3V 12V +25°C, unless otherwise noted HISTOGRAM 50V ...
Page 6
... Input Range, Micropower, Uni-/Bidirectional, Current-Sense Amplifiers (V = 3.3V 12V +25°C, unless otherwise noted.) CC RS+ A MAX9928F I vs. V OUT SENSE 2500 OUT T = -40°C A 2000 T = +25°C A 1500 T = +125°C A 1000 500 0 0 0.1 0.2 0.3 0.4 V (V) SENSE GAIN ACCURACY vs. SUPPLY VOLTAGE 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0 ...
Page 7
Input Range, Micropower, Uni-/Bidirectional, Current-Sense Amplifiers (V = 3.3V 12V +25°C, unless otherwise noted.) CC RS+ A PSRR vs. FREQUENCY 20 0 -20 -40 -60 -80 -100 -120 0 100 1k ...
Page 8
... The MAX9928F/MAX9929F oper- CC ate from a 2.5V to 5.5V single supply and draw a low 20µA quiescent supply current. Current flows through the sense resistor, generating a sense voltage V (Figure 1) ...
Page 9
... 80kΩ For both positive and negative V current flowing out of the current mirror is equal to: For the MAX9928F, the transconductance of the device is trimmed so that I MAX9929F, the voltage gain of the device is trimmed so that V the comparator indicates the polarity of V 1.0 2.0 3.0 The output voltage equation for the MAX9928_ is given ...
Page 10
... Figure 2). Comparator hysteresis of 0.6mV pre- vents oscillation of SIGN output. If current direction is not needed, leave SIGN unconnected. Applications Information Choosing R The MAX9928F/MAX9929F operate over a wide variety of current ranges with different sense resistors. Adjust the R value to monitor higher or lower current lev- SENSE els ...
Page 11
... MAX9929F N.C. 4 μMAX Typical Operating Circuit R SENSE V IN -0.1V TO +28V LOAD RS+ RS- 2.5V TO MAX9928F V 5.5V SIGN CC MAX9929F 0.1μF OUT GND *FOR THE MAX9928F ONLY ______________________________________________________________________________________ TOP VIEW (BUMPS ON THE BOTTOM) 8 OUT A 7 GND N.C. B WALL-CUBE CHARGER μC DIGITAL INPUT ADC R * OUT GND Pin Configurations ...
Page 12
... Uni-/Bidirectional, Current-Sense Amplifiers For the latest package outline information and land patterns (footprints www.maxim-ic.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 per- tains to the package regardless of RoHS status ...
Page 13
... Uni-/Bidirectional, Current-Sense Amplifiers For the latest package outline information and land patterns (footprints www.maxim-ic.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 per- tains to the package regardless of RoHS status ...
Page 14
... Updated top marks Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © ...