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AD5045BRUZ bảng dữ liệu(PDF) 3 Page - Analog Devices |
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3 / 33 page Preliminary Technical Data AD5025/45/65 SPECIFICATIONS VDD = 2.7 V to 5.5 V, RL = 2 kΩ to GND, CL = 200 pF to GND, 2.2V ≤VREFIN ≤. VDD unless otherwise specified. All specifications TMIN to TMAX, unless otherwise noted. Table 2. Parameter Min B Grade1 Typ Max Unit Conditions/Comments STATIC PERFORMANCE2 Resolution 16 Bits AD5065 14 AD5045 12 AD5025 Relative Accuracy 0.5 ±1 LSB AD5065 TA = -40°C to +105°C 0.5 ±1.5 AD5065 TA = -40°C to +125°C 0.5 ±1 LSB AD5045 TA = -40°C to +105°C 0.5 ±1.5 AD5045 TA = -40°C to +125°C 0.5 ±1 LSB AD5025 TA = -40°C to +105°C 0.5 ±1.5 AD5025 TA = -40°C to +125°C Differential Nonlinearity ±1 LSB AD5065/45/25: Guaranteed monotonic by design Total Unadjusted Error Tue 0.2 ±2 mV AD5065/45/25 TA = -40°C to +105°C 0.2 ±2 mV AD5065/45/25 TA = -40°C to +125°C Offset Error 1 9 mV All 0s loaded to DAC register Offset Error Drift ±2 μV/°C Full-Scale Error −0.2 −1 % FSR All 1s loaded to DAC register Gain Error ±1 % FSR Gain Temperature Coefficient ±2.5 ppm Of FSR/°C DC Power Supply Rejection Ratio –80 dB VDD ± 10% DC Crosstalk 0.5 LSB Due to single-channel full-scale output change, RL = 2 kΩ to GND or VDD 0.5 LSB/m A Due to load current change 0.5 LSB Due to powering down (per channel) OUTPUT CHARACTERISTICS3 Output Voltage Range 0 VDD V Capacitive Load Stability 1 pF RL = 2 kΩ, RL = 100 kΩ and RL = ∞ DC Output Impedance 0.5 Ω (Normal mode) DC Output Impedance DAC in Power Down mode (output connected to 100kΩ 100 kΩ Output impedance tolerance ± 20Ω network) (output connected to 1kΩ 1 kΩ Output impedance tolerance ± 400Ω network) Short-Circuit Current 60 mA DAC = full scale, o/p shorted to Gnd 45 mA DAC = zero scale, o/p shorted to VDD Power-Up Time 4.5 μs Coming out of power-down mode VDD = 5 V DC PSRR -92 dB VDD±10%, DAC = full scale Wideband SFDR -67 dB Output frequency = 10Khz REFERENCE INPUTS Reference Input Range 2.2 VDD V Reference Current 30 50 μA Per DAC channel VREF = VDD = 5.5 V Reference Input Impedance 120 KΩ Per DAC channel LOGIC INPUTS3 Input Current4 ±3 μA All digital inputs Rev. PrB | Page 3 of 3 3 |
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