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MAX1246BMJE Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1246BMJE Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 24 page +2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (VDD = +2.7V to +3.6V (MAX1246); VDD = +2.7V to +5.25V (MAX1247); COM = 0V; fSCLK = 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps); MAX1246—4.7µF capacitor at VREF pin; MAX1247—external reference, VREF = 2.500 V applied to VREF pin; TA = TMIN to TMAX; unless otherwise noted.) V 3.0 VIH VDD = 3.6V DIN, SCLK, CS Input High Voltage VDD > 3.6V, MAX1247 only mV ±0.3 PSR Supply Rejection (Note 10) VDD = 2.7V to VDD(MAX), full-scale input, external reference = 2.500V pF 15 CIN DIN, SCLK, CS Input Capacitance µA ±0.01 ±1 IIN DIN, SCLK, CS Input Leakage V 0.2 VHYST DIN, SCLK, CS Input Hysteresis V 0.8 VIL DIN, SCLK, CS Input Low Voltage 2.0 µA ±4.0 IS SHDN Input Current V 0.4 VSL SHDN Input Low Voltage V VDD - 0.4 VSH SHDN Input High Voltage SHDN = 0V or VDD nA ±100 SHDN Maximum Allowed Leakage, Mid Input V VDD / 2 VFLT SHDN Voltage, Floating SHDN = FLOAT SHDN = FLOAT UNITS MIN TYP MAX SYMBOL PARAMETER (Note 7) VIN = 0V or VDD VDD ≤ 3.6V IDD CONDITIONS Positive Supply Current, MAX1246 µA 1.2 2.0 µA ±0.01 ±10 IL Three-State Leakage Current V VDD - 0.5 VOH Output Voltage High V 0.8 VOL Output Voltage Low 0.4 2.70 3.60 pF 15 COUT Three-State Output Capacitance MAX1246 CS = VDD (Note 7) CS = VDD ISOURCE = 0.5mA ISINK = 16mA ISINK = 5mA V 2.70 5.25 VDD Positive Supply Voltage MAX1247 0.9 1.5 Operating mode, full-scale input 30 70 VDD = 5.25V VDD = 3.6V 3.5 15 VDD = 5.25V VDD = 3.6V 1.2 10 Full power-down mA 1.8 2.5 30 70 1.2 10 Operating mode, full-scale input Fast power-down Full power-down mA V 1.1 VDD - 1.1 VSM SHDN Input Mid Voltage Fast power-down IDD µA Positive Supply Current, MAX1247 DIGITAL INPUTS (DIN, SCLK, CS, SHDN) DIGITAL OUTPUTS (DOUT, SSTRB) POWER REQUIREMENTS |
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