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MAX1415EWE Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1415EWE Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 36 page 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS—MAX1415 (continued) (VDD = 3V, GND = 0, VREF+ = 1.225V, VREF- = GND, external fCLKIN = 2.4576MHz, CLKDIV bit = 0, CREF+ to GND = 0.1µF, CREF- to GND = 0.1µF, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DOUT and DRDY, ISOURCE = 100µA VDD - 0.6V Output-Voltage High VOH CLKOUT, ISOURCE = 10µA VDD - 0.6V V Tri-State Leakage Current IL DOUT only ±10 µA Tri-State Output Capacitance COUT DOUT only 9 pF SYSTEM CALIBRATION Full-Scale Calibration Range GAIN = selected PGA gain (1 to 128) (Note 10) -1.05 × VREF / GAIN 1.05 × VREF / GAIN V Offset Calibration Range GAIN = selected PGA gain (1 to 128) (Note 10) -1.05 × VREF / GAIN 1.05 × VREF / GAIN V Input Span GAIN = selected PGA gain (1 to 128) (Notes 10, 11) 0.8 × VREF / GAIN 2.1 × VREF / GAIN V POWER REQUIREMENTS Power-Supply Voltage VDD 2.7 3.6 V Unbuffered, fCLKIN = 1MHz, gain = 1 to 128 0.40 Buffered, fCLKIN = 1MHz, gain = 1 to 128 0.725 Gain = 1 to 4 0.55 Unbuffered, fCLKIN = 2.4576MHz Gain = 8 to 128 0.55 Gain = 1 to 4 0.825 Buffered, fCLKIN = 2.4576MHz Gain = 8 to 128 1.0 mA Power-Supply Current (Note 12) IDD Power-down mode (Note 13) 8 µA Power-Supply Rejection Ratio PSRR VDD = 2.7V to 3.6V (Note 14) dB EXTERNAL-CLOCK TIMING SPECIFICATIONS CLKIN Frequency fCLKIN (Note 15) 400 2500 kHz Duty Cycle 40 60 % INTERNAL-CLOCK TIMING SPECIFICATIONS MAX1415AE__, fCLK = 1MHz (CLK = 0) or 2.4576MHz (CLK = 1) TA = -40°C to +85°C ±4 MAX1415C__, fCLK = 1MHz (CLK = 0) or 2.4576MHz (CLK = 1) TA = 0°C to +70°C ±4 TA = -40°C to 0°C ±7 Internal-Clock Frequency fCLK MAX1415E__, fCLK = 1MHz (CLK = 0) or 2.4576MHz (CLK = 1) TA= 0°C to +85°C ±4 % |
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