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MAX1185ECM Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1185ECM Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 20 page Dual 10-Bit, 20Msps, +3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = +3V, OVDD = +2.5V, 0.1µF and 1µF 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 fINA or B = 7.5MHz -74 Third-Harmonic Distortion HD3 fINA or B = 12MHz -72 dBc fINA or B = 11.9852MHz at -6.5dB FS Intermodulation Distortion IMD fINA or B = 12.8934MHz at -6.5dB FS (Note 2) -76 dBc fINA or B = 7.5MHz, TA = +25 °C -72 -64 Total Harmonic Distortion (first 4 harmonics) THD fINA or B = 12MHz -71 dBc Small-Signal Bandwidth Input at -20dB FS, differential inputs 500 MHz Full-Power Bandwidth FPBW Input at -0.5dB FS, differential inputs 400 MHz Aperture Delay tAD 1ns Aperture Jitter tAJ 2psRMS Overdrive Recovery Time For 1.5 ✕ full-scale input 2 ns Differential Gain ±1% Differential Phase ±0.25 degrees Output Noise INA+ = INA- = INB+ = INB- = COM 0.2 LSBRMS INTERNAL REFERENCE Reference Output Voltage REFOUT 2.048 ±3% V Reference Temperature Coefficient TCREF 60 ppm/°C Load Regulation 1.25 mV/mA BUFFERED EXTERNAL REFERENCE (VREFIN = +2.048V) REFIN Input Voltage VREFIN 2.048 V Positive Reference Output Voltage VREFP 2.012 V Negative Reference Output Voltage VREFN 0.988 V Differential Reference Output Voltage Range ∆VREF ∆VREF = VREFP - VREFN 0.98 1.024 1.07 V REFIN Resistance RREFIN >50 M Ω |
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