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AD7564 데이터시트(PDF) 4 Page - Analog Devices |
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AD7564 데이터시트(HTML) 4 Page - Analog Devices |
4 / 16 page REV. A AD7564 –4– Parameter A Grade Units Test Conditions/Comments DYNAMIC PERFORMANCE Output Voltage Settling Time 3.5 µs typ To 0.01% of Full-Scale Range. VREF = 0 V. DAC Latch Alter- nately Loaded with all 0s and all 1s. Digital to Analog Glitch Impulse 35 nV-s typ Measured with VIOUT2 = 0 V and VREF = 0 V. DAC Register Alter- nately Loaded with all 0s and all 1s. Multiplying Feedthrough Error –70 dB max DAC Latch Loaded with all 0s. Output Capacitance 100 pF max All 1s Loaded to DAC 40 pF max All 0s Loaded to DAC Digital Feedthrough 5 nV-s typ Feedthrough to Any DAC Output with FSIN HIGH and a Square Wave Applied to SDIN and CLKIN Total Harmonic Distortion –76 dB typ Output Noise Spectral Density @ 1 kHz 20 nV/ √Hz typ All 1s Loaded to DAC. V IOUT2 = 0 V; VREF = 0 V (VDD = +3 V to +5.5 V; VIOUT1 = VIOUT2 = 1.23 V; AGND = 0 V. VREF = 1 kHz, 2.45 V p-p, sine wave biased at 1.23 V; DAC output op amp is AD820; TA = TMIN to TMAX, unless otherwise noted. These characteristics are included for Design Guidance and are not subject to test.) Biased Mode AC Performance Characteristics Parameter B Grade Units Test Conditions/Comments DYNAMIC PERFORMANCE Output Voltage Settling Time 550 ns typ To 0.01% of Full-Scale Range. DAC Latch Alternately Loaded with All 0s and All 1s Digital-to-Analog Glitch Impulse 35 nV-s typ Measured with VREF = 0 V. DAC Register Alternately Loaded with All 0s and All 1s Multiplying Feedthrough Error –70 dB max VREF = 20 V p-p, 10 kHz Sine Wave. DAC Latch Loaded with All 0s Output Capacitance 60 pF max All 1s Loaded to DAC 30 pF max All 0s Loaded to DAC Channel-to-Channel Isolation –76 dB typ Feedthrough from Any One Reference to the Others with 20 V p-p, 10 kHz Sine Wave Applied Digital Crosstalk 5 nV-s typ Effect of All 0s to All 1s Code Transition on Nonselected DACs Digital Feedthrough 5 nV-s typ Feedthrough to Any DAC Output with FSIN High and Square Wave Applied to SDIN and SCLK Total Harmonic Distortion –83 dB typ VREF = 6 V rms, 1 kHz Sine Wave Output Noise Spectral Density @ 1 kHz 30 nV/ √Hz typ All 1s Loaded to the DAC. V REF = 0 V. Output Op Amp Is ADOP07 Normal Mode (VDD = +4.75 V to +5.25 V; VIOUT1 = VIOUT2 = AGND = 0 V. VREF = 6 V rms, 1 kHz sine wave; DAC output op amp is AD843; TA = TMIN to TMAX, unless otherwise noted. These characteristics are included for Design Guidance and are not subject to test.) AC Performance Characteristics |
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