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MAX1087ETA+T Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1087ETA+T Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 17 page 150ksps, 10-Bit, 2-Channel Single-Ended, and 1-Channel True-Differential ADCs in SOT23 _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = +2.7V to +3.6V, VREF = +2.5V for MAX1087/MAX1089, or VDD = +4.75V to +5.25V, VREF = +4.096V for MAX1086/MAX1088, 0.1µF capacitor at REF, fSCLK = 8MHz (50% duty cycle), AIN- = GND for MAX1088/MAX1089. TA = TMIN to TMAX, unless otherwise noted. Typical values at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ANALOG INPUT Unipolar 0 VREF Input Voltage Range (Note 4) Bipolar -VREF /2 VREF/2 V Input Leakage Current Channel not selected or conversion stopped ±0.01 ±1µA Input Capacitance 34 pF EXTERNAL REFERENCE INPUT Input Voltage Range VREF 1.0 VDD +50mV V VREF = +2.5V at 150ksps 16 30 VREF = +4.096V at 150ksps 26 45 Input Current IREF Acquisition/Between conversions ±0.01 ±1 µA DIGITAL INPUTS/OUTPUTS (SCLK, CNVST, DOUT) Input Low Voltage VIL 0.8 V Input High Voltage VIH VDD -1 V Input Leakage Current IL ±0.1 µA Input Capacitance CIN 15 pF ISINK = 2mA 0.4 V Output Low Voltage VOL ISINK = 4mA 0.8 V Output High Voltage VOH ISOURCE = 1.5mA VDD -0.5 V Three-State Leakage Current CNVST = GND ±10 µA Three-State Output Capacitance COUT CNVST = GND 15 pF POWER REQUIREMENTS MAX1086/MAX1088 4.75 5.0 5.25 Positive Supply Voltage VDD MAX1087/MAX1089 2.7 3.0 3.6 V fSAMPLE =150ksps 245 350 fSAMPLE =100ksps 150 fSAMPLE =10ksps 15 VDD = +3V fSAMPLE =1ksps 2 fSAMPLE =150ksps 320 400 fSAMPLE =100ksps 215 fSAMPLE =10ksps 22 VDD = +5V fSAMPLE =1ksps 2.5 Positive Supply Current IDD Shutdown 0.2 5 µA VDD = 5V ±5%; full-scale input ±0.1 1.0 Positive Supply Rejection PSR VDD = +2.7V to +3.6V; full-scale input ±0.1 ±1.2 mV |
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