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MAX1190 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1190 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 21 page 
Dual 10-Bit, 120Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs 4 _______________________________________________________________________________________ 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 3.4 k 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 × 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 VIH = VDD (CLK) ±5 IIH VIH = OVDD (PD, OE, SLEEP, T/B) ±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 2.8 3.3 3.6 V Output Supply Voltage Range OVDD 1.7 2.5 3.6 V ELECTRICAL CHARACTERISTICS (continued) (VDD = 3.3V; OVDD = 2V; 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND, REFOUT connected to REFIN through a 10k Ω resistor; VREFIN = 2.048V; VIN = 2VP-P (differential with respect to COM); CL = 10pF at digital outputs; fCLK = 120MHz; TA = TMIN to TMAX, unless otherwise noted; ≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization; typical values are at TA = +25°C.) |
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