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MAX1220BETX Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX1220BETX Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 47 page 12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (continued) (AVDD = DVDD = 2.7V to 3.6V (MAX1257), external reference VREF = 2.5V (MAX1257), AVDD = 4.75V to 5.25V, DVDD = 2.7V to AVDD (MAX1220/MAX1258), external reference VREF = 4.096V (MAX1220/MAX1258), fCLK = 3.6MHz (50% duty cycle), TA = -40°C to +85°C, unless otherwise noted. Typical values are at AVDD = DVDD = 3V (MAX1257), AVDD = DVDD = 5V (MAX1220/MAX1258), TA = +25°C. Outputs are unloaded, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS 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 MAX1257 2.482 2.5 2.518 REF1 Output Voltage (Note 8) MAX1220/MAX1258 4.066 4.096 4.126 V REF1 Temperature Coefficient TCREF ±30 ppm/°C VREF = 2.5V 0.39 REF1 Short-Circuit Current VREF = 4.096V 0.63 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 Output-Voltage High VOH ISOURCE = 2mA DVDD - 0.5 V Tri-State Leakage Current ±10 µA Tri-State Output Capacitance COUT 15 pF |
Similar Part No. - MAX1220BETX |
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Similar Description - MAX1220BETX |
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