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MAX1069BCUD Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1069BCUD Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 20 page  58.6ksps, 14-Bit, 2-Wire Serial ADC in a 14-Pin TSSOP 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (AVDD = +4.75V to +5.25V, DVDD = +2.7V to +5.5V, fSCL = 1.7MHz (33% duty cycle), fSAMPLE = 58.6ksps, VREF = +4.096V, external ref- erence applied to REF, REFADJ = AVDD, CREF = 10µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER REQUIREMENTS (AVDD, AGND, DVDD, DGND) Analog Supply Voltage AVDD 4.75 5.25 V Digital Supply Voltage DVDD 2.7 5.5 V fSAMPLE = 58.6ksps 1.8 2.5 fSAMPLE = 10ksps 0.7 mA fSAMPLE = 1ksps 40 Internal reference (powered down between conversions, R/W = 0) Shutdown 0.4 5.0 µA fSAMPLE = 58.6ksps 1.8 2.5 fSAMPLE = 10ksps 1.4 mA fSAMPLE = 1ksps 1.1 mA Internal reference (always on, R/W = 1) Shutdown 0.4 5 µA fSAMPLE = 58.6ksps 0.90 1.8 fSAMPLE = 10ksps 0.36 mA fSAMPLE = 1ksps 40 Analog Supply Current IAVDD External reference (REFADJ = AVDD) Shutdown 0.4 5 µA fSAMPLE = 58.6ksps 260 400 fSAMPLE = 10ksps 65 fSAMPLE = 1ksps 6 Digital Supply Current IDVDD Shutdown 0.2 5 µA Power-Supply Rejection Ratio PSRR AVDD = 5V ±5%, full-scale input (Note 8) 2 6 LSB/V TIMING CHARACTERISTICS FOR 2-WIRE FAST MODE (Figure 1a and Figure 2) Serial Clock Frequency fSCL 400 kHz Bus Free Time Between a STOP and a START Condition tBUF 1.3 µs Hold Time for Start Condition tHD,STA 0.6 µs Low Period of the SCL Clock tLOW 1.3 µs High Period of the SCL Clock tHIGH 0.6 µs Setup Time for a Repeated START Condition (Sr) tSU,STA 0.6 µs Data Hold Time tHD,DAT (Note 9) 0 900 ns Data Setup Time tSU,DAT 100 ns Rise Time of Both SDA and SCL Signals, Receiving tR (Note 10) 20 + 0.1CB 300 ns Fall Time of SDA Transmitting tF (Note 10) 20 + 0.1CB 300 ns Setup Time for STOP Condition tSU,STO 0.6 µs Capacitive Load for Each Bus Line CB 400 pF Pulse Width of Spike Suppressed tSP 50 ns |
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