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MAX1021 Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX1021 Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 47 page 10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports 8 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (AVDD = DVDD = 2.7V to 3.6V (MAX1021/MAX1023/MAX1057), external reference VREF = 2.5V (MAX1021/MAX1023/MAX1057), AVDD = DVDD = 4.75V to 5.25V (MAX1020/MAX1022/MAX1058), external reference VREF = 4.096V (MAX1020/MAX1022/MAX1058), fSCLK = 4.8MHz (50% duty cycle), TA = -40°C to +85°C, unless otherwise noted. Typical values are at AVDD = DVDD = 3V (MAX1021/MAX1023/MAX1057), AVDD = DVDD = 5V (MAX1020/MAX1022/MAX1058), TA = +25°C. Outputs are unloaded, unless otherwise noted.) Note 1: Tested at DVDD = AVDD = +3.6V (MAX1021/MAX1023/MAX1057), DVDD = AVDD = +5.25V (MAX1020/MAX1022/MAX1058). Note 2: Offset nulled. Note 3: No bus activity during conversion. Conversion time is defined as the number of conversion clock cycles multiplied by the clock period. Note 4: See Table 5 for reference-mode details. Note 5: Not production tested. Guaranteed by design. Note 6: See the ADC/DAC References section. Note 7: Fast automated test, excludes self-heating effects. Note 8: Specified over the -40°C to +85°C temperature range. Note 9: REFSEL[1:0] = 00 or when DACs are not powered up. Note 10: DAC linearity, gain, and offset measurements are made between codes 115 and 3981. Note 11: The DAC buffers are guaranteed by design to be stable with a 500pF load. Note 12: Time required by the DAC output to power up and settle within 1 LSB in the external reference mode. Note 13: All DAC dynamic specifications are valid for a load of 1nF and 10kΩ. Note 14: Only one digital output (either DOUT, EOC, or the GPIOs) can be indefinitely shorted to either supply at one time. Note 15: All digital inputs at either DVDD or DGND. DVDD should not exceed AVDD. Note 16: See the Reset Register section and Table 9 for details on programming the SLOW bit. Note 17: Clock mode 11 only. SHUTDOWN CURRENT vs. ANALOG SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 5.15 5.05 4.95 4.85 0.05 0.10 0.15 0.20 0.25 0.30 0 4.75 5.25 MAX1020/MAX1022/MAX1058 SHUTDOWN CURRENT vs. ANALOG SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 3.3 3.0 0.12 0.14 0.16 0.18 0.20 0.10 2.7 3.6 MAX1021/MAX1023/MAX1057 SHUTDOWN CURRENT vs. TEMPERATURE TEMPERATURE (°C) 60 35 10 -15 0.1 0.2 0.3 0.4 0.5 0.6 0 -40 85 Typical Operating Characteristics (AVDD = DVDD = 3V (MAX1021/MAX1023/MAX1057), external VREF = 2.5V (MAX1021/MAX1023/MAX1057), AVDD = DVDD = 5V (MAX1020/MAX1022/MAX1058), external VREF = 4.096V (MAX1020/MAX1022/MAX1058), fCLK = 4.8MHz (50% duty cycle), fSAMPLE = 300ksps, CLOAD = 50pF, 0.1µF capacitor at REF, TA = +25°C, unless otherwise noted.) |
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