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MAX1198 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1198 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 22 page ![]() Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = 3.3V, OVDD = 2.5V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10k Ω resistor, VIN = 2VP-P (differential with respect to COM), CL = 10pF at digital outputs, fCLK = 100MHz, 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.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS fINA or B = 7.5MHz at -1dB FS 48.3 fINA or B = 20MHz at -1dB FS 46.5 48.2 fINA or B = 50MHz at -1dB FS 48.1 Signal-to-Noise and Distortion SINAD fINA or B = 115.1MHz at -1dB FS 48 dB fINA or B = 7.5MHz at -1dB FS 67 fINA or B = 20MHz at -1dB FS 60 67 fINA or B = 50MHz at -1dB FS 66 Spurious-Free Dynamic Range SFDR fINA or B = 115.1MHz at -1dB FS 65 dBc fINA or B = 7.5MHz at -1dB FS -67 fINA or B = 20MHz at -1dB FS -67 fINA or B = 50MHz at -1dB FS -67 Third-Harmonic Distortion HD3 fINA or B = 115.1MHz at -1dB FS -66 dBc Intermodulation Distortion (First Five Odd-Order IMDs) IMD fIN1(A or B) = 1.989MHz at -7dB FS fIN2(A or B) = 2.038MHz at -7dB FS (Note 2) -69.5 dBc Third-Order Intermodulation Distortion IM3 fIN1(A or B) = 1.989MHz at -7dB FS fIN2(A or B) = 2.038MHz at -7dB FS (Note 2) -80 dBc fINA or B = 7.5MHz at -1dB FS -66 fINA or B = 20MHz at -1dB FS -67 -57 fINA or B = 50MHz at -1dB FS -64 Total Harmonic Distortion (First Four Harmonics) THD fINA or B = 115.1MHz at -1dB FS -58 dBc Small-Signal Bandwidth Input at -20dB FS, differential inputs 500 MHz Full-Power Bandwidth FPBW Input at -1dB FS, differential inputs 400 MHz Gain Flatness (12MHz Spacing) fIN1(A or B) = 106MHz at -1dB FS fIN2(A or B) = 118MHz at -1dB FS (Note 3) 0.05 dB Aperture Delay tAD 1ns Aperture Jitter tAJ 1dB SNR degradation at Nyquist 2 psRMS Overdrive Recovery Time For 1.5 × full-scale input 2 ns INTERNAL REFERENCE (REFIN = REFOUT through 10k Ω resistor; REFP, REFN, and COM levels are generated internally.) Reference Output Voltage VREFOUT (Note 4) 2.048 ±3% V Positive Reference Output Voltage VREFP (Note 5) 2.162 V Negative Reference Output Voltage VREFN (Note 5) 1.138 V Common-Mode Level VCOM (Note 5) VDD / 2 ±0.1 V |