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MAX1184 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1184 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 21 page Dual 10-Bit, 20Msps, +3V, Low-Power ADC with Internal Reference and Parallel Outputs 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (VDD = +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 = 20MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Maximum REFP, COM Source Current ISOURCE 5mA Maximum REFP, COM Sink Current ISINK -250 µA Maximum REFN Source Current ISOURCE 250 µA Maximum REFN Sink Current ISINK -5 mA 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 ∆VREF ∆VREF = VREFP - VREFN 1.024 ±10% V COM Input Voltage 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 ✕ VDD Input High Threshold VIH PD, OE, SLEEP, T/B 0.8 ✕ OVDD V CLK 0.2 ✕ VDD Input Low Threshold VIL PD, OE, SLEEP, T/B 0.2 ✕ 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 |
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