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MAX1039 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1039 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 22 page 2.7V to 5.5V, Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = 2.7V to 3.6V (MAX1037/MAX1039), VDD = 4.5V to 5.5V (MAX1036/MAX1038). External reference, VREF = 2.048V (MAX1037/MAX1039), VREF = 4.096V (MAX1036/MAX1038). External clock, fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Internal clock, SCAN[1:0] = 01 (MAX1036/MAX1037) 76 Internal clock, SCAN[1:0] = 00 CS[3:0] = 1011 (MAX1038/MAX1039) 77 Throughput Rate fSAMPLE External clock 188 ksps Track/Hold Acquisition Time 588 ns Internal Clock Frequency 2.25 MHz External clock, fast mode 45 Aperture Delay tAD External clock, high-speed mode 30 ns ANALOG INPUT (AIN0–AIN11) Unipolar 0 VREF Input Voltage Range, Single Ended and Differential (Note 6) Bipolar ±VREF / 2 V Input Multiplexer Leakage Current On/off-leakage current, VAIN_= 0 or VDD, no clock, fSCL = 0 ±0.01 ±1µA Input Capacitance CIN 18 pF INTERNAL REFERENCE (Note 7) MAX1037/MAX1039 1.925 2.048 2.171 Reference Voltage VREF TA = +25°C MAX1036/MAX1038 3.850 4.096 4.342 V Reference Temperature Coefficient TCREF 120 ppm/ °C Reference Short-Circuit Current 10 mA Reference Source Impedance (Note 8) 675 Ω EXTERNAL REFERENCE Reference Input Voltage Range VREF (Note 9) 1.0 VDD V REF Input Current IREF fSAMPLE = 188ksps 14 30 µA DIGITAL INPUTS/OUTPUTS (SCL, SDA) Input High Voltage VIH 0.7 x VDD V Input Low Voltage VIL 0.3 x VDD V Input Hysteresis VHYST 0.1 x VDD V Input Current IIN VIN = 0 to VDD ±10 µA Input Capacitance CIN 15 pF Output Low Voltage VOL ISINK = 3mA 0.4 V |
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