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MAX1343 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX1343 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 44 page 12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (continued) (AVDD = DVDD = 2.7V to 5.25V, external reference VREF = 2.5V, fCLK = 3.6MHz (50% duty cycle), TA = -40°C to +85°C, unless other- wise noted. Typical values are at AVDD = DVDD = 3V. TA = +25°C. Outputs are unloaded, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS From power-down mode, AVDD = 5V 25 Wake-Up Time (Note 12) From power-down mode, AVDD = 2.7V 21 µs 1k Ω Output Termination Programmed in power-down mode 1 k Ω 100k Ω Output Termination At wake-up or programmed in power-down mode 100 k Ω DYNAMIC PERFORMANCE (Notes 5, 13) Output-Voltage Slew Rate SR Positive and negative 3 V/µs Output-Voltage Settling Time tS To 1 LSB, 400 - C00 hex (Note 7) 2 5 µs Digital Feedthrough Code 0, all digital inputs from 0 to DVDD 0.5 nV•s Major Code Transition Glitch Impulse Between codes 2047 and 2048 4 nV•s From VREF 660 Output Noise (0.1Hz to 50MHz) Using internal reference 720 µVP-P From VREF 260 Output Noise (0.1Hz to 500kHz) Using internal reference 320 µVP-P DAC-to-DAC Transition Crosstalk 0.5 nV•s INTERNAL REFERENCE REF1 Output Voltage 2.482 2.50 2.518 V REF1 Temperature Coefficient TCREF ±30 ppm/°C REF1 Short-Circuit Current VREF = 2.5V 0.39 mA EXTERNAL-REFERENCE INPUT REF1 Input Voltage Range VREF1 REF modes 01, 10, and 11 (Note 4) 0.7 AVDD V REF1 Input Impedance RREF1 70 100 130 k Ω DIGITAL INTERFACE DIGITAL INPUTS (SCLK, DIN, CS, CNVST, LDAC) Input-Voltage High VIH DVDD = 2.7V to 5.25V 2.4 V DVDD = 3.6V to 5.25V 0.8 Input-Voltage Low VIL DVDD = 2.7V to 3.6V 0.6 V Input Leakage Current IL ±0.01 ±10 µA Input Capacitance CIN 15 pF DIGITAL OUTPUT (DOUT) (Note 14) Output-Voltage Low VOL ISINK = 2mA 0.4 V |
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