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MAX11125 Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX11125 Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 40 page ����������������������������������������������������������������� Maxim Integrated Products 6 MAX11120–MAX11128 1Msps, Low-Power, Serial 12-/10-/8-Bit, 4-/8-/16-Channel ADCs ELECTRICAL CHARACTERISTICS (MAX11121/MAX11124/MAX11127) (continued) (VDD = 2.35V to 3.6V, VOVDD = 1.5V to 3.6V, fSAMPLE = 1Msps, fSCLK = 16MHz, 50% duty cycle, VREF+ = VDD, TA = -40NC to +125NC, unless otherwise noted. Typical values are at TA = +25NC.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DYNAMIC PERFORMANCE (250kHz, input sine wave) (Notes 3 and 7) Signal-to-Noise Plus Distortion SINAD 61 61.7 dB Signal-to-Noise Ratio SNR 61 61.7 dB Total Harmonic Distortion (Up to the 5th Harmonic) THD -86 -76 dB Spurious-Free Dynamic Range SFDR 77 85 dB Intermodulation Distortion IMD f1 = 249.878kHz, f2 = 219.97kHz -84 dB Full-Power Bandwidth -3dB 50 MHz -0.1dB 7.5 MHz Full-Linear Bandwidth SINAD > 61dB 1.5 MHz Crosstalk -0.5dB below full-scale of 249.878kHz sine-wave input to the channel being sampled; apply full- scale 219.97kHz sine wave signal to all 15 nonselected input channels -88 dB CONVERSION RATE Power-Up Time tPU Conversion cycle, external clock 2 Cycles Acquisition Time tACQ 156 ns Conversion Time tCONV Internally clocked fSAMPLE = 1Msps (Note 8) 5.9 µs Externally clocked, fSCLK = 16MHz, 16 cycles (Note 8) 1000 ns External Clock Frequency fSCLK 0.16 16 MHz Aperture Delay 8 ns Aperture Jitter RMS 30 ps ANALOG INPUT Input Voltage Range VINA Unipolar (single-ended and pseudo differential) 0 VREF+ V Bipolar (Note 9) RANGE bit set to 0 -VREF+/2 +VREF+/2 RANGE bit set to 1 -VREF+ +VREF+ Absolute Input Voltage Range AIN+, AIN- relative to GND -0.1 VREF+ + 0.1 V Static Input Leakage Current IILA VAIN_ = VDD, GND -0.1 F A Input Capacitance CAIN During acquisition time, RANGE bit = 0 (Note 10) 15 pF During acquisition time, RANGE bit = 1 (Note 10) 7.5 |
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