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MAX1039 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1039 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 23 page 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (VDD = 2.7V to 3.6V (MAX1037/MAX1039), VDD = 4.5V to 5.5V (MAX1036/MAX1038). External reference, VREF = 2.048V (MAX1037/MAX1039), VREF = 4.096V (MAX1036/MAX1038). External clock, fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER REQUIREMENTS MAX1037/MAX1039 2.7 3.6 Supply Voltage (Note 10) VDD MAX1036/MAX1038 4.5 5.5 V Internal REF, external clock 350 650 fSAMPLE = 188ksps External REF, external clock 250 External REF, external clock 110 fSAMPLE = 75ksps External REF, internal clock 150 External REF, external clock 8 fSAMPLE = 10ksps External REF, internal clock 10 External REF, external clock 2 fSAMPLE = 1ksps External REF, internal clock 2.5 Supply Current IDD Power-down 1 10 µA Power-Supply Rejection Ratio PSRR (Note 11) ±0.25 ±1 LSB/V TIMING CHARACTERISTICS FOR 2-WIRE FAST MODE (Figures 1A and 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 12) 0 150 ns Data Setup Time tSU, DAT 100 ns Rise Time of Both SDA and SCL Signals, Receiving tR (Note 13) 20 + 0.1CB 300 ns Fall Time of SDA Transmitting tF (Note 13) 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 TIMING CHARACTERISTICS FOR 2-WIRE HIGH-SPEED MODE (Figures 1B and 2) Serial Clock Frequency fSCLH (Note 14) 1.7 MHz Hold Time (Repeated) Start Condition tHD, STA 160 ns Low Period of the SCL Clock tLOW 320 ns High Period of the SCL Clock tHIGH 120 ns |
Similar Part No. - MAX1039 |
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Similar Description - MAX1039 |
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