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MAX5292 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX5292 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 33 page  Buffered, Fast-Settling, Dual, 12-/10-/8-Bit, Voltage-Output DACs _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (AVDD = 2.7V to 3.6V, DVDD = 1.8V to AVDD, AGND = 0, DGND = 0, VREF = 2.5V, RL = 10k Ω, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25 °C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Power-Supply Rejection Ratio PSRR Full-scale output, AVDD = 2.7V to 3.6V 200 µV/V REFERENCE INPUT Reference Input Range VREF 0.25 AVDD V Reference Input Resistance RREF Normal operation (no code dependence) 145 200 k Ω Reference Leakage Current IREF Shutdown mode 0.5 1 µA DAC OUTPUT CHARACTERISTICS Unity gain 85 SLOW mode, full scale Force sense 67 Unity gain 140 Output Voltage Noise FAST mode, full scale Force sense 110 µVRMS Unity-gain output 0 AVDD Output Voltage Range (Note 4) Force-sense output 0 AVDD / 2 V DC Output Impedance 38 Ω Short-Circuit Current AVDD = 3V, OUT_ to AGND, full scale, FAST mode 45 mA Power-Up Time From DVDD applied, interface is functional 30 60 µs Wake-Up Time Coming out of shutdown, outputs settled 40 µs Output OUT_ and FB_ Open-Circuit Leakage Current Programmed in shutdown mode, force-sense outputs only 0.01 µA DIGITAL OUTPUTS (UPIO_) Output High Voltage VOH ISOURCE = 2mA DVDD - 0.5 V Output Low Voltage VOL ISINK = 2mA 0.4 V DIGITAL INPUTS (SCLK, CS, DIN, DSP, UPIO_) 2.7V ≤ DVDD ≤ 3.6V 2.4 Input High Voltage VIH DVDD < 2.7V 0.7 x DVDD V 2.7V ≤ DVDD ≤ 3.6V 0.6 Input Low Voltage VIL DVDD < 2.7V 0.2 V Input Leakage Current IIN ±0.1 ±1 µA Input Capacitance CIN 10 pF |
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