MAX9918 Maxim, MAX9918 Datasheet
MAX9918
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MAX9918 Summary of contents
Page 1
... The MAX9918/MAX9920 feature adjustable gain set by an external resistive-divider network. The MAX9919 fea- tures fixed gains of 45V/V (MAX9919F) and 90V/V (MAX9919N). The MAX9918/MAX9919/MAX9920 oper- ...
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... RS+ RS- +14V, V REFIN = 0V MAX9920 RS+ RS- -2V REFIN 0V or GND...........................Continuous CC = +70° / 100kΩ; for MAX9918, A REFIN CC L MIN TYP MAX T = +25°C ±0.14 ±0 -40°C A ±0.7 to +125° +25°C ±0.08 ±0 -40°C A ±1.3 to +125° ...
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... MAX9919_ Differential Common mode MAX9920 Differential MAX9918, MAX9919_ Inferred from gain SENSE error test MAX9920 MAX9918, MAX9920 G MAX9919F MAX9919N MAX9918 G ADJ MAX9920 = V / 100kΩ; for MAX9918, A REFIN CC L MIN TYP MAX = +14V ±1.2 RS- = -2V ±3.3 RS- = +14V ±1.8 RS- = -2V ±1.8 RS- = +14V ± ...
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... SENSE R = 10kΩ MAX9920 OUT shorted OUT shorted to GND R OUT M AX 9918, M AX9919_ Inferred from REFIN CMRR test MAX9920 = V / 100kΩ; for MAX9918, A REFIN CC L MIN TYP MAX T = +25°C, A ±0.08 ±0 REFIN T = -40° +125°C, ± ...
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... M AX 9918 9919_ REFIN MAX9920 ±200mV RS+ RS ≤ V ≤ V SHDN CC V Inferred from PSRR test CC MAX9918, MAX9919_ 4.5V ≤ V PSRR 4.5V ≤ V MAX9920 T = +25° +14V RS+ RS 40° 125° +25° -2V ...
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... Measurements are made MAX9918/MAX9919N/MAX9919F, and V Note 3: Extrapolated V as described above in Note 2 is used to calculate V OS Note 4: OUT should be 100mV away from either rail to achieve rated accuracy, or limited MAX9918/MAX9919N/MAX9919F and 200mV for the MAX9920. Note 5: Not production tested. Guaranteed by design. 6 _______________________________________________________________________________________ = ( 0V, V ...
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... RS+ 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 -400 -320 -240 -160 - 160 240 320 400 OFFSET VOLTAGE (FV 125 100 14V -25 - -2V CM MAX9918ASA - REF GND -100 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 V (V) CC GAIN ERROR (V = -2V, MAX9919F +45V/V) RS+ V 0.6 0.5 0.4 0.3 0.2 0.1 0 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 GAIN ERROR (%) 7 ...
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... 0.06 REFIN 90V/V V 0.04 BIDIRECTIONAL 0.02 0 -0.02 -0.04 -0.06 -0.08 -0. (mV) GAIN ERROR vs +125NC +25NC -40NC A MAX9918ASA REF GND - (V) CM LINEARITY vs. V SENSE REFIN 90V -40°C ...
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... +125°C A -100 -80 -60 -40 - 100 V (mV) SENSE V V vs. V OUT - REFIN SENSE - SOLID LINE CM 14V V : DASHED LINE CM MAX9918 REFIN UNIDIRECTIONAL, GAIN = 90V/V -20 - (mV) SENSE +14V ...
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... V (V) CM GAIN vs. FREQUENCY -10 -20 MAX9918 V = 14V -30 CM GAIN = 90V/V - 0.001 0.01 0.1 FREQUENCY (MHz) PSRR vs. FREQUENCY 0 MAX9918 V = 14V CM - 50mV SENSE -40 -60 -80 -100 -120 -140 100 0.0001 0.001 0.01 0 FREQUENCY (kHz 100 1k 10k ...
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... CM 100mV/div MAX9918 toc33 50mV/div = 14V 1V/div MAX9918 toc35 MAX9918 14V (50mV) SENSE SMALL-SIGNAL TRANSIENT (GAIN = 90V/V) MAX9918 toc32 MAX9918 14V 10mV TO 15mV SENSE 10Fs/div LARGE-SIGNAL TRANSIENT (GAIN = 90V/V) MAX9918 toc34 MAX9918 14V 50mV SENSE 10Fs/div OUTPUT RESPONSE TO ...
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... MAX9918 toc37 5V/div 2V/div MAX9918 14V (50mV) SENSE 4Fs/div MAX9918 toc39 MAX9918 14V SENSE 50mV/div 2V/div 4Fs/div POWER-UP TIME MAX9918 toc38 MAX9918 14V (50mV) SENSE 4Fs/div OUTPUT OVERDRIVE RECOVERY (90V/V) MAX9918 toc40 MAX9918 14V SENSE 4Fs/div ...
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... GND Ground 5 OUT Current-Sense Output. V Feedback Input. Connect resistive-divider network to set the gain for the MAX9918 and 6 FB MAX9920. See the Adjustable Gain (MAX9918/MAX9920) section for more information. Leave FB unconnected for the MAX9919 for proper operation. Reference Input. Set REFIN to V ...
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... SENSE RS+ RS- MAX9919N SHDN GND Figure 2. Bidirectional Operation 14 ______________________________________________________________________________________ The MAX9918/MAX9919 operate in bidirectional mode by application of a low-source impedance reference voltage in the REFIN. For the MAX9920, the reference voltage range = V . The REFIN GND relative to V OUT ±V ...
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... The MAX9918/MAX9920 feature externally adjustable gain set by a resistive-divider network circuit using resistors R1 and R2 (see the Functional Diagram ). The gain frequency compensation is set for a minimum gain of 30V/V for the MAX9918 and 7.5V/V for the MAX9920. The gain G for the MAX9918/MAX9920 is given by the following equation: ⎛ ...
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... INPUT INPUT STAGE/ LEVEL SHIFTER SHDN GND V CC MAX9918 MAX9920 INPUT INPUT STAGE/ LEVEL SHIFTER SHDN GND GAIN IS SET BY EXTERNAL RESISTORS, R1 AND [1+(R2/R1)] FOR MAX9918 G = [1+(R2/R1)]/4 FOR MAX9920 PROCESS: BiCMOS Functional Diagram OUT REFIN FIXED GAIN G = 45V/V OR 90V/V OUT ...
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... 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 ...
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... Added automotive qualified parts for the MAX9919NASA/V+ and the MAX9920ASA/V+ 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. ...