Datasheet MAX1086, MAX1087, MAX1088, MAX1089 (Maxim) - 3

150ksps, 10-Bit, 2-Channel Single-Ended, and 1-Channel True-Differential ADCs in SOT23 and TDFN MAX1086–MAX1089 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) V Bipolar -VREF /2 VREF/2 Input Leakage Current C hannel not sel ected or conver si on stop p ed ±0.01 ±1 µA Input Capacitance 34 pF
EXTERNAL REFERENCE INPUT
V Input Voltage Range V DD REF 1.0 V +50mV VREF = +2.5V at 150ksps 16 30 Input Current IREF VREF = +4.096V at 150ksps 26 45 µA Acquisition/Between conversions ±0.01 ±1
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 V Output High Voltage V DD OH ISOURCE = 1.5mA V -0.5 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 V MAX1087/MAX1089 2.7 3.0 3.6 fSAMPLE =150ksps 245 350 fSAMPLE =100ksps 150 VDD = +3V fSAMPLE =10ksps 15 fSAMPLE =1ksps 2 Positive Supply Current IDD fSAMPLE =150ksps 320 400 µA fSAMPLE =100ksps 215 VDD = +5V fSAMPLE =10ksps 22 fSAMPLE =1ksps 2.5 Shutdown 0.2 5 VDD = 5V ±5%; full-scale input ±0.1 1.0 Positive Supply Rejection PSR mV VDD = +2.7V to +3.6V; full-scale input ±0.1 ±1.2
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