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DAC7528UB 数据表(PDF) 2 Page - Burr-Brown (TI) |
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DAC7528UB 数据表(HTML) 2 Page - Burr-Brown (TI) |
2 / 8 page ® DAC7528 2 SPECIFICATIONS ELECTRICAL At VDD = +5V; VREFA, B = + 10V; IOUT = GND = 0V: T = Full Temperature Range specification under Absolute Maximum Ratings unless otherwise noted. DAC7528P, U DAC7528PB, UB PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX UNITS DC ACCURACY (1) Resolution N 8 8 Bits Relative Accuracy INL ±1 ±1/2 LSB Differential Nonlinearity DNL Guaranteed Monolithic Over Temp ±1 ±1/2 LSB FS Gain Error (2) TA = +25°C ±2 ±1 LSB TA = TMIN to TMAX ±4 ±2 LSB Gain Tempco (2)(3) ±2 ±35 – – ppm/ °C Supply Rejection PSR ∆V DD = ±5%, TA = +25°C 0.001 0.01 – – %FSR/% TA = TMIN to TMAX 0.001 0.01 – – %FSR/% Output Leakage Current (OUTA) DACA = 0016, TA = +25°C ±50 – nA TA = TMIN to TMAX ±200 – nA Output Leakage Current (OUTB) DACB = 0016, TA = +25°C ±50 – nA TA = TMIN to TMAX ±200 – nA REFERENCE INPUT Input Resistance (VREFA, VREFB) 8 10 15 – – – k Ω Input Resistance Match (VREFA, VREFB) ±1– % DYNAMIC PERFORMANCE (4) Output Current Settling Time to 1/2 LSB Enable Pins Low TA = +25°C 180 – ns Load = 100 Ω/13pF, T A = TMIN to TMAX 200 – ns Digital-to-Analog Propagation Delay Enable Pins Low TA= +25°C80 – ns to 90% of Output Load = 100 Ω/13pF, T A = TMIN to TMAX 100 – ns Digital-to-Analog Impulse 125 – nVs AC Feedthrough VREFA = 20Vpp Sinewave, TA = +25°C –70 dB (VREFA to OUTA) 100kHz,VREFB = 0V, TA = TMIN to TMAX –65 dB AC Feedthrough VREFA = 20Vpp Sinewave, TA = +25°C –70 dB (VREFB to OUTB) 100kHz, VREFB = 0V, TA = TMIN to TMAX –65 dB Channel-to-Channel Isolation VREFA = 20Vpp Sinewave, 100kHz, –90 – dB (VREFA to OUTB) VREFB = 0V, Both DACs = FF16 Channel-to-Channel Isolation VREFB = 20Vpp Sinewave 100kHz, –90 – dB (VREFB to OUTA) VREFA = 0V, Both DACs = FF16 Digital Crosstalk Measured With Code Transition 0016 to FF16 30 – nVs Harmonic Distortion THD VIN = 6Vrms at 1kHz –85 – dB ANALOG OUTPUTS (4) OUTA capacitance COUTA DAC = 0016 50 – pF DAC = FF16 120 – pF OUTB capacitance COUTB DAC = 0016 50 – pF DAC = FF16 120 – pF DIGITAL INPUTS Input High Voltage VIH 2.4 – V Input Low Voltage VIL 0.8 – V Input Current IIN TA = +25°C ±1– µA TA = TMIN to TMAX ±10 – µA Input Capacitance (4) CIN All Digital Inputs 10 – pF POWER REQUIREMENTS Supply Current IDD Digital Inputs = VIH or VIL, TA = +25°C1 – mA TA = TMIN to TMAX 1– mA Digital Inputs = 0V or VDD, TA = +25°C 100 – µA TA = TMIN to TMAX 500 – µA SWITCHING CHARACTERISTICS (100% tested) See Timing Diagram Chip Select To Write Setup Time tCS TA = +25°C 200 – ns TA = TMIN to TMAX 230 – ns Chip Select To Write Hold Time tCH TA = +25°C20 – ns TA = TMIN to TMAX 30 – ns DAC Select To Write Setup Time tAS TA = +25°C 200 – ns TA = TMIN to TMAX 230 – ns DAC Select To Write Hold Time tAH TA = +25°C20 – ns TA = TMIN to TMAX 30 – ns Write Pulse Width tWR TA = +25°C 180 – ns TA = TMIN to TMAX 200 – ns Data Setup Time tDS TA = +25°C 110 – ns TA = TMIN to TMAX 130 – ns Data Hold Time tDH TA = +25°C0 – ns NOTES: (1) Specifications apply to both DACs. (2) Gain error is measured using internal feedback resistor. Full Scale Range (FSR) = VREF. (3) Guaranteed, but not tested. (4) These characteristics are for design guidance only and are not subject to test. |
类似零件编号 - DAC7528UB |
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类似说明 - DAC7528UB |
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