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MAX148 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX148 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 23 page +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs 4 ______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (VDD = +2.7V to +5.25V; COM = 0; fSCLK = 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps); MAX149—4.7FF capacitor at VREF pin; MAX148—external reference, VREF = 2.500V applied to VREF pin; TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DIGITAL INPUTS (DIN, SCLK, CS, SHDN) DIN, SCLK, CS Input High Voltage VIH VDD ≤ 3.6V 2.0 V VDD > 3.6V 3.0 DIN, SCLK, CS Input Low Voltage VIL 0.8 V DIN, SCLK, CS Input Hysteresis VHYST 0.2 V DIN, SCLK, CS Input Leakage IIN VIN = 0 or VDD ±0.01 ±1 μA DIN, SCLK, CS Input Capacitance CIN (Note 10) 15 pF SHDN Input High Voltage VSH VDD - 0.4 V SHDN Input Mid Voltage VSM 1.1 VDD - 1.1 V SHDN Input Low Voltage VSL 0.4 V SHDN Input Current IS SHDN = 0 or VDD ±4.0 μA SHDN Voltage, Unconnected VFLT SHDN = unconnected VDD/2 V SHDN Maximum Allowed Leakage, Mid Input SHDN = unconnected ±100 nA DIGITAL OUTPUTS (DOUT, SSTRB) Output-Voltage Low VOL ISINK = 5mA 0.4 V ISINK = 16mA 0.8 Output-Voltage High VOH ISOURCE = 0.5mA VDD - 0.5 V Three-State Leakage Current IL CS = VDD ±0.01 ±10 μA Three-State Output Capacitance COUT CS = VDD (Note 10) 15 pF POWER REQUIREMENTS Positive Supply Voltage VDD 2.70 5.25 V Positive Supply Current IDD Operating mode, full-scale input (Note 11) VDD = 5.25V 1.6 3.0 mA VDD = 3.6V 1.2 2.0 Full power-down VDD = 5.25V 3.5 15 μA VDD = 3.6V 1.2 10 Fast power-down (MAX149) 30 70 Supply Rejection (Note 12) PSR Full-scale input, external reference = 2.500V, VDD = 2.7V to 5.25V ±0.3 mV |
Similar Part No. - MAX148_09 |
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Similar Description - MAX148_09 |
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