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MAX194AMDE Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX194AMDE Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 24 page 14-Bit, 85ksps ADC with 10µA Shutdown 4 _______________________________________________________________________________________ VDDD = VDDA = 5.25V, VSSD = VSSA = -5.25V VDDD = VDDA = 5.25V, VSSD = VSSA = -5.25V, BP/UP/SHDN = 0V VDDD = VDDA = 5.25V, VSSD = VSSA = -5.25V, BP/UP/SHDN = 0V VDDD = VDDA = 5.25V, VSSD = VSSA = -5.25V, BP/UP/SHDN = 0V VDDD = VDDA = 5.25V, VSSD = VSSA = -5.25V, BP/UP/SHDN = 0V CONDITIONS mW 80 Power Dissipation µA 0.1 5 ISSA VSSA Shutdown Supply Current µA 0.1 5 IDDA VDDA Shutdown Supply Current µA 1.6 5 IDDD VDDD Shutdown Supply Current (Note 5) µA 0.1 5 ISSD VSSD Shutdown Supply Current UNITS MIN TYP MAX SYMBOL PARAMETER ELECTRICAL CHARACTERISTICS (continued) (VDDD = VDDA = +5V, VSSD = VSSA = -5V, fCLK = 1.7MHz, VREF = +5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) TIMING CHARACTERISTICS (VDDD = VDDA = +5V, VSSD = VSSA = -5V, unless otherwise noted.) Note 1: Accuracy and dynamic performance tests performed after calibration. Note 2: Tested with 50% duty cycle. Duty cycles from 25% to 75% at 1.7MHz are acceptable. Note 3: See External Clock section. Note 4: Guaranteed by design, not tested. Note 5: Measured in shutdown mode with CLK and SCLK low. POWER REQUIREMENTS (cont.) PARAMETER SYMBOL CONDITIONS TA = +25°C TYP TA = 0°C to +70°C MIN MAX TA = -40°C to +85°C MIN MAX TA = -55°C to +125°C MIN MAX UNITS CONV Pulse Width tCW 20 30 35 ns CONV to CLK Falling Synchronization (Note 4) tCC1 10 10 10 ns CONV to CLK Rising Synchronization (Note 4) tCC2 40 40 ns Data Access Time tDV CL = 50pF 80 80 40 ns Bus Relinquish Time tDH CL = 10pF 40 40 40 ns CLK to EOC High tCEH CL = 50pF 300 300 350 ns CLK to EOC Low tCEL CL = 50pF 300 300 350 ns CLK to DOUT Valid tCD CL = 50pF 100 350 100 375 100 400 ns SCLK to DOUT Valid tSD CL = 50pF 20 140 20 160 20 160 ns CS to SCLK Setup Time tCSS 75 75 75 ns CS to SCLK Hold Time tCSH -10 -10 -10 ns Acquisition Time tAQ 2.4 2.4 2.4 µs Calibration Time tCAL 14,000(CLK) 8.2 8.2 8.2 ms RESET to CLK Setup Time tRCS -40 -40 -40 ns RESET to CLK Hold Time tRCH 120 120 120 Start-Up Time (Note 6) tSU Exiting shutdown 3.2 ns 90 µs Note 6: Settling time required after deasserting shutdown to achieve less than 0.1LSB additional error. |
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