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| MAX1020_12 Datasheet, PDF (15/44 Pages) Maxim Integrated Products – 10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports | |||
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10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
Typical Operating Characteristics (continued)
(VAVDD = VDVDD = 3V (MAX1057), external VREF = 2.5V (MAX1057), VAVDD = VDVDD = 5V (MAX1020/MAX1022/MAX1058), external
VREF = 4.096V (MAX1020/MAX1022/MAX1058), fCLK = 3.6MHz (50% duty cycle), fSAMPLE = 225ksps, CLOAD = 50pF, 0.1µF capaci-
tor at REF, TA = +25°C, unless otherwise noted.)
DAC DIGITAL FEEDTHROUGH (RLOAD = 10kâ¦,
CLOAD = 100pF, CS = HIGH, DIN = LOW)
MAX1020 toc55
DAC DIGITAL FEEDTHROUGH (RLOAD = 10kâ¦,
CLOAD = 100pF, CS = HIGH, DIN = LOW)
MAX1020 toc56
NEGATIVE FULL-SCALE SETTLING TIME
RLOAD = 10kâ¦, CLOAD = 100pF
MAX1020 toc57
MAX1057
SCLK
1V/div
SCLK
2V/div
VOUT
1V/div
MAX1057
200ns
VOUT
100mV/div
AC-COUPLED
MAX1020/MAX1022/MAX1058
200ns
VOUT
100mV/div
AC-COUPLED
VLDAC
1V/div
1µs
NEGATIVE FULL-SCALE SETTLING TIME
RLOAD = 10kâ¦, CLOAD = 100pF
MAX1020 toc58
POSITIVE FULL-SCALE SETTLING TIME
RLOAD = 10kâ¦, CLOAD = 100pF
MAX1020 toc59
MAX1057
POSITIVE FULL-SCALE SETTLING TIME
RLOAD = 10kâ¦, CLOAD = 100pF
MAX1020 toc60
MAX1020/MAX1022/MAX1058
2µs
VLDAC
2V/div
VOUT_
2V/div
VOUT_
1V/div
VLDAC
1V/div
1µs
VLDAC
2V/div
VOUT_
2V/div
MAX1020/MAX1022/MAX1058
1µs
ADC REFERENCE FEEDTHROUGH
RLOAD = 10kâ¦, CLOAD = 100pF
MAX1020 toc61
VREF2
1V/div
ADC REFERENCE FEEDTHROUGH
RLOAD = 10kâ¦, CLOAD = 100pF
MAX1020 toc62
VREF2
2V/div
ADC REFERENCE SWITCHING
200µs
VDAC-OUT
10mV/div
AC-COUPLED
MAX1057
MAX1020/MAX1022/MAX1058
ADC REFERENCE SWITCHING
VDAC-OUT
2mV/div
AC-COUPLED
200µs
______________________________________________________________________________________ 15
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