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|DAC8531E/250G4 from TEXAS, 96pcs , MSOP-8 , Alternate PN:DAC8531E250G4,Low Power, Rail-to-Rail Output, 16-Bit, Serial Input Digital-to-Analog Converter|
|DAC8531E/250G4 from TI, Texas Instruments 5pcs , MSOP8P , Alternate PN:DAC8531E250G4,Low Power, Rail-to-Rail Output, 16-Bit, Serial Input Digital-to-Analog Converter|
ELECTRICAL CHARACTERISTICS (Cont.)V = +2.7V to +5.5V. –40°C to +105°C, unless otherwise specified.DDDAC8531EPARAMETER CONDITIONS MIN TYP MAX UNITS(2)LOGIC INPUTSInput Current ±1 µ AV L, Input LOW Voltage V = +5V 0.8 VIN DDV L, Input LOW Voltage V = +3V 0.6 VIN DDV H, Input HIGH Voltage V = +5V 2.4 VIN DDV H, Input HIGH Voltage V = +3V 2.1 VIN DDPin Capacitance 3pFPOWER REQUIREMENTSV 2.7 5.5 VDDI (normal mode) DAC Active and Excluding Load CurrentDDV = +3.6V to +5.5V V = V and V = GND 250 400 µ ADD IH DD ILV = +2.7V to +3.6V V = V and V = GND 240 390 µ ADD IH DD ILI (all power-down modes)DDV = +3.6V to +5.5V V = V and V = GND 0.2 1 µ ADD IH DD ILV = +2.7V to +3.6V V = V and V = GND 0.05 1 µ ADD IH DD ILPOWER EFFICIENCYI /I I = 2mA, V = +5V 89 %OUT DD LOAD DDTEMPERATURE RANGESpecified Performance –40 +105 °CPIN DESCRIPTIONPIN CONFIGURATIONSTop View PIN NAME DESCRIPTION1V Power-Supply Input, +2.7V to +5.5V.DDReference Voltage Input2VREFV 1 8 GNDDDFeedback connection for the output amplifier.3VFBV 2 7 DREF INAnalog output voltage from DAC. The output ampli-4VOUTDAC8531fier has rail-to-rail operation.V 3 6 SCLKFB5 SYNC Level-triggered control input (active LOW). This isV 4 5 SYNCthe frame sychronization signal for the input data.OUTWhen SYNC goes LOW, it enables the input shiftregister and data is transferred in on the fallingMSOP-8edges of the following clocks. The DAC is updatedfollowing the 24th clock cycle unless SYNC is takenHIGH before this edge, in which case the risingedge of SYNC acts as an interrupt and the writesequence is ignored by the DAC8531.6 SCLK Serial Clock Input. Data can be transferred at ratesV 1 8 GND up to 30MHz.DD7D Serial Data Input. Data is clocked into the 24-bitINV 2 7 DREF INinput shift register on the falling edge of the serialDAC8531clock input.V 3 6 SCLKFB8 GND Ground reference point for all circuitry on the part.V 4 5 SYNCOUTSON-8DAC85313SBAS192B(1, 2)TIMING CHARACTERISTICSV = +2.7V to +5.5V; all specifications –40°C to +105°C unless otherwise noted.DDDAC8531EPARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNITS(3)t SCLK Cycle Time1V = 2.7V to 3.6V 50 nsDDV = 3.6V to 5.5V 33 nsDDt SCLK HIGH Time2V = 2.7V to 3.6V 13 nsDDV = 3.6V to 5.5V 13 nsDDt SCLK LOW Time3V = 2.7V to 3.6V 22.5 nsDDV = 3.6V to 5.5V 13 nsDDt SYNC to SCLK Rising4Edge Setup TimeV = 2.7V to 3.6V 0 nsDDV = 3.6V to 5.5V 0 nsDDt Data Setup Time5V = 2.7V to 3.6V 5 nsDDV = 3.6V to 5.5V 5 nsDDt Data Hold Time6V = 2.7V to 3.6V 4.5 nsDDV = 3.6V to 5.5V 4.5 nsDDt SCLK Falling Edge to7SYNC Rising EdgeV = 2.7V to 3.6V 0 nsDDV = 3.6V to 5.5V 0 nsDDt Minimum SYNC HIGH Time8V = 2.7V to 3.6V 50 nsDDV = 3.6V to 5.5V 33 nsDDNOTES: (1) All input signals are specified with t = t = 5ns (10% to 90% of V ) and timed from a voltage level of (V + V )/2. (2) See Serial Write Operation timingR F DD IL IHdiagram, below. (3) Maximum SCLK frequency is 30MHz at V = +3.6V to +5.5V and 20MHz at V = +2.7V to +3.6V.DD DDSERIAL WRITE OPERATIONt1SCLKt t8 2t3 t7t4SYNCt6t5DB23 DB0DINDAC85314SBAS192B
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