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MAX1180 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1180 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 20 page  Dual 10-Bit, 105Msps, +3.3V, Low-Power ADC with Internal Reference and Parallel Outputs 4 _______________________________________________________________________________________ PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS UNBUFFERED EXTERNAL REFERENCE (VREFIN = AGND, reference voltage applied to REFP, REFN, and COM ) REFP, REFN Input Resistance RREFP, RREFN Measured between REFP and COM and REFN and COM 4k Ω Differential Reference Input Voltage Range ∆VREF ∆VREF = VREFP - VREFN 1.024 ±10% V COM Input Voltage Range VCOM VDD/2 ±10% V REFP Input Voltage VREFP VCOM+ ∆VREF /2 V REFN Input Voltage VREFN VCOM - ∆VREF /2 V DIGITAL INPUTS (CLK, PD, OE, SLEEP, T/B) CLK 0.8 x VDD Input High Threshold VIH PD, OE, SLEEP, T/B 0.8 x OVDD V CLK 0.2 x VDD Input Low Threshold VIL PD, OE, SLEEP, T/B 0.2 x OVDD V Input Hysteresis VHYST 0.1 V IIH VIH = OVDD or VDD (CLK) ±5 Input Leakage IIL VIL = 0 ±5 µA Input Capacitance CIN 5pF DIGITAL OUTPUTS (D9A–D0A, D9B–D0B) Output Voltage Low VOL ISINK = -200µA 0.2 V Output Voltage High VOH ISOURCE = 200µA OVDD - 0.2 V Three-State Leakage Current ILEAK OE = OVDD ±10 µA Three-State Output Capacitance COUT OE = OVDD 5pF POWER REQUIREMENTS Analog Supply Voltage Range VDD 2.7 3.3 3.6 V Output Supply Voltage Range OVDD 1.7 2.5 3.6 V Operating, fINA or B = 20MHz at -0.5dB FS 125 155 Sleep mode 2.8 mA Analog Supply Current IVDD Shutdown, clock idle, PD = OE = OVDD 115 µA ELECTRICAL CHARACTERISTICS (continued) (VDD = +3.3V, OVDD = +2.5V; 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10k Ω resistor, VIN = 2Vp-p (differential w.r.t. COM), CL = 10pF at digital outputs (Note 5), fCLK = 105.263MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) |
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