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MAX11131 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX11131 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 36 page 3 MAX11129–MAX11132 3Msps, Low-Power, Serial 12-/10-Bit, 8-/16-Channel ADCs ELECTRICAL CHARACTERISTICS (MAX11131/MAX11132) (continued) (VDD = 2.35V to 3.6V, VOVDD = 1.5V to 3.6V, fSAMPLE = 3Msps, fSCLK = 48MHz, 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 Full-Power Bandwidth -3dB 50 MHz -0.1dB 7.5 Full-Linear Bandwidth SINAD > 70dB 1.5 MHz Crosstalk -0.5dB below full scale of 492.1875kHz sine wave input to the channel being sampled, apply full- scale 398.4375kHz 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 52 ns Conversion Time tCONV Internally clocked (Note 8) 2.1 µs Externally clocked, fSCLK = 48MHz, 16 cycles (Note 8) 333 ns External Clock Frequency fSCLK 0.48 48 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 ±1.5 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 EXTERNAL REFERENCE INPUT REF- Input Voltage Range VREF- -0.3 +1 V REF+ Input Voltage Range VREF+ 1 VDD + 50mV V REF+ Input Current IREF+ VREF+ = 2.5V, fSAMPLE = 3Msps 110 F A VREF+ = 2.5V, fSAMPLE = 0 0.1 |
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