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|DAC8234SPFB from TI, Texas Instruments 15pcs , TQFP48,Quad 14-Bit High Accuracy +/-16.5 V Output Serial Input Digital-To-Analog Converter 48-TQFP -40 to 105|
ELECTRICAL CHARACTERISTICSAll specifications at T = T to T , AV = +11V to +18V, AV = –11V to –18V, V = REF-A = REF-B = +5V,A MIN MAX DD SS REFDV = +5V, IOV = +1.8V to DV , AGND = DGND = REFGND-A = REFGND-B = SGND-x = 0V, and DAC gain = 4, unlessDD DD DDotherwise noted.DAC8234PARAMETER CONDITIONS MIN TYP MAX UNITSTATIC PERFORMANCEBipolar OutputResolution 14 BitsLinearity error, INL ±0.5 LSBDifferential linearity error, DNL ±0.5 LSBT = +25°C, before user calibration ±1 LSBA(1)Bipolar zero error(2)T = +25°C, after user calibration ±0.031 LSBA(2)Bipolar zero error TC ±0.5 ppm FSR/°CT = +25°C, before user calibration ±1 LSBA(1)Gain error(2)T = +25°C, after user calibration ±0.25 LSBA(2)Gain error TC ±0.5 ppm FSR/°C(2)(3)DC crosstalk Output unloaded ±0.1 LSBUnipolar OutputResolution 14 BitsLinearity error, INL AV = +21V, AV = –11V ±0.5 LSBDD SSDifferential linearity error, DNL AV = +21V, AV = –11V ±0.5 LSBDD SSAV = +21V, AV = –11V, T = +25°C, before userDD SS A±1 LSBcalibrationZero errorAV = +21V, AV = –11V, T = +25°C, after userDD SS A±0.031 LSB(2)calibration(2)Zero error TC AV = +21V, AV = –11V ±0.2 ppm FSR/°CDD SSAV = +21V, AV = –11V, T = +25°C, before userDD SS A±1 LSBcalibrationGain errorAV = +21V, AV = –11V, T = +25°C, after userDD SS A±0.25 LSB(2)calibration(2)Gain error TC AV = +21V, AV = –11V ±0.5 ppm FSR/°CDD SS(2)(3)DC crosstalk AV = +21V, AV = –11V, output unloaded ±0.1 LSBDD SSANALOG OUTPUT (V -0 to V -3)OUT OUTAV = +16.5V, AV = –16.5V, V = +7.5V, gain = 4 –15 +15 VDD SS REF(4)Bipolar voltage outputV = +5V, gain = 4 –10 +10 VREF(4)Unipolar voltage output AV = +21V, AV = –11V, V = +5V, gain = 4 0 +20 VDD SS REFOperating for 500 hours at +25°C 2 ppm of FSROutput voltage drift vs timeOperating for 1000 hours at +25°C 3 ppm of FSR(2)Output impedance ±3mA load current 0.005Ω(2)(5)Short-circuit current 10 mA(4)Load current Output changes no more than ±1 LSB ±3 mA(2)Capacitive load stability 700 pFAV = +5V to +18V, AV = –5V to –18V,(2)(4) DD SSPower-supply rejection ±0.1 LSBDV = 5V ±10%, V = 2VDD REF(1) See the User Calibration for Zero-Code Error and Gain Error section for details.(2) Specified by design and characterization.(3) DC crosstalk is the dc change in the output of one channel as a result of a full-scale code change and subsequent output change onanother channel. The DAC outputs are buffered by op amps that share common AV and AV power supplies. Multiple V and VDD SS DD SSterminals are provided to minimize dc crosstalk.(4) The analog output must not be greater than (AV – 1.0V) and must not be less than (AV + 1.0V).DD SS(5) When the output current is greater than the specification, the current is clamped at the specified maximum value.Copyright 2009, Texas Instruments Incorporated Submit Documentation Feedback 3Product Folder Link(s): DAC8234DAC8234SBAS464A–AUGUST 2009–REVISED SEPTEMBER 2009 ....
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|DAC8234SPFB ,Quad 14-Bit High Accuracy +/-16.5 V Output Serial Input Digital-To-Analog Converter 48-TQFP -40 to 105ELECTRICAL CHARACTERISTICSAll specifications at T = T to T , AV = +11V to +18V, AV = –11V to –18V, ..|
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