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MAX1241AMJA+ Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1241AMJA+ Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 15 page ppm/°C +2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = +2.7V to +3.6V (MAX1240); VDD = +2.7V to +5.25V (MAX1241); 73ksps, fSCLK = 2.1MHz (50% duty cycle); MAX1240—4.7µF capacitor at REF pin, MAX1241—external reference; VREF = 2.500V applied to REF pin; TA = TMIN to TMAX; unless otherwise noted.) VIN = 0V or VDD µA TA = +25°C µA 100 150 ±0.01 ±1 IIN SCLK, CS Input Leakage V 0.2 Input Current CONDITIONS VSHDN = 0V µA ±0.01 10 VHYST SCLK, CS Input Hysteresis VSHDN = 0V or VDD µA REF Input Current in Shutdown k Ω 18 25 ±4.0 SHDN Input Current Input Resistance V 0.4 VSL SHDN Input Low Voltage V (Note 5) VDD - 0.4 VSH SHDN Input High Voltage pF 15 CIN V REF Output Voltage SCLK, CS Input Capacitance SHDN = unconnected nA SHDN = unconnected ±100 SHDN Max Allowed Leakage, Mid Input V VDD/2 VFLT SHDN Voltage, Unconnected V 1.1 VDD - 1.1 VSM SHDN Input Mid Voltage ISINK = 5mA UNITS MIN TYP MAX SYMBOL PARAMETER V 0.4 VOL Output Voltage Low CS = VDD (Note 5) pF 15 COUT Three-State Output Capacitance CS = VDD µA ISOURCE = 0.5mA ±0.01 ±10 IL Three-State Leakage Current V VDD - 0.5 VOH V VDD ≤ 3.6V 0.8 VIL µF 0.1 Capacitive Bypass at REF SCLK, CS Input Low Voltage V 2.0 VIH SCLK, CS Input High Voltage Output Voltage High ISINK = 16mA VDD > 3.6V (MAX1241) 0.8 3.0 2.480 2.500 2.520 V Input Voltage Range 1.00 VDD + 50mV MAX1240AC/BC ppm/°C REF Temperature Coefficient ±30 ±50 REF Short-Circuit Current 30 MAX1240AE/BE ±30 ±60 MAX1240AM/BM ±30 ±80 0mA to 0.2mA output load Load Regulation (Note 4) 0.35 mA µF Capacitive Bypass at REF 4.7 MAX1240C ±30 DIGITAL OUTPUT: DOUT DIGITAL INPUTS: SCLK, C CS S, S SH HD DN N EXTERNAL REFERENCE (VREF = 2.500V) INTERNAL REFERENCE (MAX1240 only) |
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