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MAX1416 Datasheet(PDF) 7 Page - Maxim Integrated Products |
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MAX1416 Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 36 page 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs _______________________________________________________________________________________ 7 ELECTRICAL CHARACTERISTICS—MAX1416 (continued) (VDD = 5V, GND = 0, VREF+ = 2.5V, VREF- = GND, fCLKIN = 2.4576MHz, CLKDIV bit = 0, CREF+ to GND = 0.1µF, CREF- to GND = 0.1µF, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS EXTERNAL REFERENCE (REF+, REF-) REF Differential Input Range VREF (Note 9) 1 3.5 V REF Absolute Input Voltage GND VDD V REF Input Capacitance Gain = 1 to 128 10 pF REF Input Sampling Rate fs fCLKIN / 64 MHz DIGITAL INPUTS (DIN, SCLK, CS, RESET) Input High Voltage VIH 2V Input Low Voltage VIL 0.8 V DIN, CS, RESET 250 Input Hysteresis VHYST SCLK 500 mV Input Current IIN ±1µA Input Capacitance 5pF CLKIN INPUT CLKIN Input High Voltage VCLKINH 3.5 V CLKIN Input Low Voltage VCLKINL 0.8 V CLKIN Input Current ICLKIN ±10 µA DIGITAL OUTPUTS (DOUT, DRDY, CLKOUT) DOUT and DRDY, ISINK = 800µA 0.4 Output-Voltage Low VOL CLKOUT, ISINK = 10µA 0.4 V DOUT and DRDY, ISOURCE = 200µA 4.0 Output-Voltage High VOH CLKOUT, ISOURCE = 10µA 4.0 V Tri-State Leakage Current IL DOUT only ±10 µA Tri-State Output Capacitance COUT DOUT only 9 pF SYSTEM CALIBRATION Full-Scale Calibration Range GAIN = selected PGA gain (1 to 128) (Note 10) -1.05 × VREF / GAIN +1.05 × VREF / GAIN V Offset Calibration Range GAIN = selected PGA gain (1 to 128) (Note 10) -1.05 × VREF / GAIN +1.05 × VREF / GAIN V Input Span GAIN = selected PGA gain (1 to 128) (Notes 10, 11) 0.8 × VREF / GAIN 2.1 × VREF / GAIN V POWER REQUIREMENTS Power-Supply Voltage VDD 4.75 5.25 V |
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