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MAX11212AEUB Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX11212AEUB Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 14 page 6 Maxim Integrated 18-Bit, Single-Channel, Ultra-Low Power, Delta- Sigma ADC with 2-Wire Serial Interface MAX11212 Typical Operating Characteristics (continued) (VAVDD = 3.6V, VDVDD = 1.8V, VREFP - VREFN = VAVDD; internal clock; TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25NC.) INTERNAL OSCILLATOR FREQUENCY vs. AVDD VOLTAGE AVDD VOLTAGE (V) 3.45 3.30 3.15 3.00 2.85 2.2 2.3 2.4 2.5 2.6 2.1 2.70 3.60 VDVDD = 1.8V MAX11212A MAX11212B OFFSET ERROR vs. VREF (MAX11212A/MAX11212B) VREF VOLTAGE (V) 3.5 3.0 2.5 2.0 1.5 -0.5 0 0.5 1.0 1.5 2.0 -1.0 1.0 4.0 VREF = VREFP - VREFN TA = +85°C TA = -45°C TA = +25°C OFFSET ERROR vs. TEMPERATURE (MAX11212A/MAX11212B) TEMPERATURE (°C) 75 55 35 15 -5 -25 0.5 1.0 1.5 2.0 2.5 0 -45 95 CALIBRATED AT +25°C INTEGRAL NONLINEARITY vs. INPUT VOLTAGE (MAX11212A/MAX11212B) INPUT VOLTAGE (V) 2.0 1.5 0.5 1.0 -1.5 -1.0 -0.5 0 -2.0 -8 -6 -4 -2 0 2 4 6 8 10 -10 -2.5 2.5 VAVDD = 3.0V VDVDD = 1.8V VREF = 2.5V VIN(CM) = 1.5V TA = +25°C TA = -45°C TA = +85°C TEMPERATURE (°C) FULL-SCALE ERROR vs. TEMPERATURE (MAX11212A/MAX11212B) 75 55 15 35 -5 -25 -8 -6 -4 -2 0 2 4 6 8 10 -10 -45 VREF = 2.5V +FS ERROR -FS ERROR PSRR vs. FREQUENCY (MAX11212A) FREQUENCY (Hz) 10k 1k 100 10 -120 -100 -80 -60 -40 -20 0 -140 1 100k VDVDD VAVDD PSRR vs. FREQUENCY (MAX11212B) FREQUENCY (Hz) 10k 1k 100 10 -120 -100 -80 -60 -40 -20 0 -140 1 100k VDVDD VAVDD CMRR vs. FREQUENCY (MAX11212A/MAX11212B) FREQUENCY (Hz) 10k 1k 100 10 -120 -100 -80 -60 -40 -20 0 -140 1 100k MAX11212A MAX11212B NORMAL-MODE FREQUENCY RESPONSE (MAX11212A) FREQUENCY (Hz) 100 10 -120 -100 -80 -60 -40 -20 0 -140 11k |
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