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MAX1292 Fiches technique(PDF) 3 Page - Maxim Integrated Products |
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MAX1292 Fiches technique(HTML) 3 Page - Maxim Integrated Products |
3 / 20 page V 400ksps, +5V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = VLOGIC = +5V ±10%, COM = GND, REFADJ = VDD, VREF = +2.5V, 4.7µF capacitor at REF pin, fCLK = 7.6MHz (50% duty cycle), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) CONDITIONS UNITS MIN TYP MAX SYMBOL PARAMETER 0 to 0.5mA output load To power down the internal reference For small adjustments On/off-leakage current, VIN = 0 or VDD Unipolar, VCOM = 0 V 1.0 VDD + 50mV VREF REF Input Voltage Range µF 4.7 10 Capacitive Bypass at REF µF 0.01 1 Capacitive Bypass at REFADJ mV/mA 0.2 Load Regulation (Note 7) V VDD - 1 REFADJ High Threshold mV ±100 REFADJ Input Range ±20 ppm/°C TCREF REF Temperature Coefficient mA 15 REF Short-Circuit Current V 2.49 2.5 2.51 REF Output Voltage pF 12 CIN Input Capacitance µA ±0.01 ±1 Multiplexer Leakage Current V Analog Input Voltage Range Single Ended and Differential (Note 6) 0VREF VIN CS = VDD ISOURCE = 1mA ISINK = 1.6mA VIN = 0 or VDD VLOGIC = 4.5V µA ±0.1 ±1 ILEAKAGE Three-State Leakage Current V VLOGIC - 0.5 VOH Output Voltage High V 0.4 VOL Output Voltage Low pF 15 CIN Input Capacitance µA ±0.1 ±1 IIN Input Leakage Current mV 200 VHYS Input Hysteresis V 0.8 VIL Input Voltage Low V 4.0 CS = VDD pF 15 COUT Three-State Output Capacitance Bipolar, VCOM = VREF / 2 -VREF/2 +VREF/2 VLOGIC = 2.7V 2.0 VIH Input Voltage High VREF = 2.5V, fSAMPLE = 400ksps 200 300 Shutdown mode µA 2 IREF Shutdown REF Input Current ANALOG INPUTS INTERNAL REFERENCE EXTERNAL REFERENCE AT REF DIGITAL INPUTS AND OUTPUTS |
Numéro de pièce similaire - MAX1292 |
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Description similaire - MAX1292 |
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