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ADFS5758 датащи(PDF) 10 Page - Analog Devices |
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ADFS5758 датащи(HTML) 10 Page - Analog Devices |
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10 / 75 page ![]() ADFS5758 Data Sheet Rev. 0 | Page 10 of 75 AC PERFORMANCE CHARACTERISTICS AVDD1 = VDPC+ = 15 V; dc-to-dc converter disabled; AVDD2 = 5 V; AVSS = −15 V; VLOGIC = 1.71 V to 5.5 V; AGND = DGND = REFGND = PGND1 = 0 V; REFIN = 2.5 V external; voltage output: RL = 1 kΩ, CL = 220 pF; current output: RL = 300 Ω; all specifications at TA = −40°C to +105°C, TJ < 125°C, unless otherwise noted. Table 2. Parameter Min Typ Max Unit Test Conditions/Comments DYNAMIC PERFORMANCE1 Current Output Output Current Settling Time 15 µs To 0.1% FSR (0 mA to 24 mA), dc-to-dc converter disabled 15 µs PPC mode, dc-to-dc converter enabled, dc-to-dc current limit = 150 mA 200 µs DPC mode, dc-to-dc converter enabled; external inductor and capacitor components as described in Table 10, dc-to-dc current limit = 150 mA. Output Noise (0.1 Hz to 10 Hz Bandwidth) 0.2 LSB p-p 16-bit LSB, 0 mA to 24 mA range Output Noise Spectral Density 0.8 nA/√Hz Measured at 10 kHz, midscale output, 0 mA to 24 mA range AC PSRR 80 dB 200 mV, 50 Hz/60 Hz sine wave superimposed on power supply voltage Voltage Output Output Voltage Settling Time Output voltage settling time specifications also apply for dc- to-dc converter enabled 6 20 µs 5 V step to ±0.03% FSR, 0 V to 5 V range 12 20 µs 10 V step to ±0.03% FSR, 0 V to 10 V range 15 µs 100 mV step to 1 LSB (16-bit LSB), 0 V to 10 V range Slew Rate 3 V/µs 0 V to 10 V range, digital slew rate control disabled Power-On Glitch Energy 25 nV-sec Digital-to-Analog Glitch Energy 5 nV-sec Glitch Impulse Peak Amplitude 25 mV Digital Feedthrough 2 nV-sec Output Noise (0.1 Hz to 10 Hz Bandwidth) 0.2 LSB p-p 16-bit LSB, 0 V to 10 V range Output Noise Spectral Density 185 nV/√Hz Measured at 10 kHz, midscale output, 0 V to 10 V range AC PSRR 70 dB 200 mV, 50 Hz/60 Hz sine wave superimposed on power supply voltage 1 Guaranteed by design and characterization; not production tested. |
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