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MAX1438 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX1438 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 23 page Octal, 12-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (continued) (AVDD = 1.8V, OVDD = 1.8V, CVDD = 3.3V, GND = 0, external VREFIO = 1.24V, CREFIO to GND = 0.1µF, CREFP to GND = 10µF, CREFN to GND = 10µF, fCLK = 50MHz (50% duty cycle), VDT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS TIMING CHARACTERISTICS (Note 6) Data Valid to CLKOUT Rise/Fall tOD Figure 5 (Note 7) (tSAMPLE / 24) - 0.15 (tSAMPLE / 24) + 0.15 ns CLKOUT Output-Width High tCH Figure 5 tSAMPLE / 12 ns CLKOUT Output-Width Low tCL Figure 5 tSAMPLE / 12 ns FRAME Rise to CLKOUT Rise tCF Figure 4 (Note 7) (tSAMPLE / 24) - 0.15 (tSAMPLE / 24) + 0.15 ns Sample CLK Rise to FRAME Rise tSF Figure 4 (Note 7) (tSAMPLE / 2) + 1.1 (tSAMPLE / 2) + 2.6 ns Crosstalk (Note 2) -95 dB Gain Matching CGM fIN = 5.3MHz (Note 2) ±0.1 dB Phase Matching CPM fIN = 5.3MHz (Note 2) ±0.25 Degrees Note 1: Specifications at TA ≥ +25°C are guaranteed by production testing. Specifications at TA < +25°C are guaranteed by design and characterization and not subject to production testing. Note 2: See definition in the Parameter Definition section at the end of this data sheet. Note 3: See the Common-Mode Output (CMOUT) section. Note 4: Connect REFADJ to GND directly to enable internal reference mode. Connect REFADJ to AVDD directly to disable the internal bandgap reference and enable external reference mode. Note 5: Measured using CREFP to GND = 1µF and CREFN to GND = 1µF. tENABLE time may be lowered by using smaller capacitor values. Note 6: Data valid to CLKOUT rise/fall timing is measured from 50% of data output level to 50% of clock output level. Note 7: Guaranteed by design and characterization. Not subject to production testing. Typical Operating Characteristics (AVDD = 1.8V, OVDD = 1.8V, CVDD = 3.3V, GND = 0, internal reference, differential input at -0.5dBFS, fIN = 5.3MHz, fCLK = 50MHz (50% duty cycle), VDT = 0, CLOAD = 10pF, TA = +25°C, unless otherwise noted.) FFT PLOT (16,384-POINT DATA RECORD) FREQUENCY (MHz) 0 -10 -20 -30 -40 -50 -70 -60 -80 -100 -90 -110 510 15 020 25 HD2 HD3 fCLK = 50.1523789MHz fIN = 5.304814MHz AIN = -0.5dBFS SNR = 69.959dB SINAD = 69.950dB THD = -96.635dBc SFDR = 96.503dBc FFT PLOT (16,384-POINT DATA RECORD) FREQUENCY (MHz) 0 -10 -20 -30 -40 -50 -70 -60 -80 -100 -90 -110 fCLK = 50.1523789MHz fIN = 24.0997118MHz AIN = -0.5dBFS SNR = 69.707dB SINAD = 69.672dB THD = -90.672dBc SFDR = 93.694dBc 510 15 020 25 HD2 HD3 CROSSTALK (16,384-POINT DATA RECORD) FREQUENCY (MHz) 0 -10 -20 -30 -40 -50 -70 -60 -80 -100 -110 -90 MEASURED ON CHANNEL 1, WITH INTERFERING SIGNAL ON CHANNEL 2 fIN(IN1) = 5.304814MHz fIN(IN2) = 24.0997118MHz CROSSTALK = 103dB 510 15 020 25 fIN(IN2) |
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Similar Description - MAX1438 |
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