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MAX1298CEAE Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1298CEAE Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 20 page 12-Bit Serial-Output Temperature Sensors with 5-Channel ADC _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = 4.75V to 5.25V (MAX1298), VDD = +2.7V to 3.6V (MAX1299), external reference, VREF = +2.5V (MAX1298), VREF = +1.2V (MAX1299), fSCLK = 2.5MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DIGITAL INPUTS Input Voltage Low VIL 0.8 V Input Voltage High VIH VDD - 0.8 V Input Hysteresis VHYST 0.2 V Input Leakage Current IIN 1 µA Input Capacitance 16 pF DIGITAL OUTPUTS V Output Low Voltage VOL ISINK = 5mA 0.6 V Output High Voltage VOH ISOURCE = 0.5mA VDD - 0.6 V Three-State Output Leakage Current IOUT ±10 µA Three-State Output Capacitance 15 pF POWER REQUIREMENTS MAX1298 4.75 5.25 Positive Supply Voltage VDD MAX1299 2.7 3.6 V MAX1298 390 Full-on, voltage measurements, internal reference MAX1299 350 MAX1298 310 Full-on, voltage measurements, external reference MAX1299 280 MAX1298 440 500 Full-on, temperature measure- ments, internal reference MAX1299 400 500 MAX1298 360 Full-on, temperature measure- ments, external reference MAX1299 330 Standby, SCLK = GND 120 Standby-plus, SCLK = GND 190 Positive Supply Current (Note 6) IDD Shutdown, SCLK = GND 2 10 µA Power-Supply Rejection Ratio PSRR (Note 7) 50 65 dB INTERNAL VOLTAGE REFERENCE CHARACTERISTICS VDD = 5V MAX1298 2.494 2.50 2.506 Reference Voltage VREF VDD = 3V MAX1299 1.197 1.20 1.203 V Reference Tempco TC VREF ±20 ppm/ °C Output Short-Circuit Current 1.25 mA Capacitive Bypass at REF 0.1 µF MAX1298 130 REF Output Noise fN = 10Hz to 10kHz MAX1299 65 µVRMS MAX1298 +3.0 REF Line Regulation MAX1299 +0.2 mV/V MAX1298 4 10 REF Load Regulation 0 to 100 µA output current (Note 8) MAX1299 2 10 µV/µA |
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