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AD7111ACRZ Fiches technique(PDF) 3 Page - Analog Devices |
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AD7111ACRZ Fiches technique(HTML) 3 Page - Analog Devices |
3 / 8 page AD7111/AD7111A REV. 0 –3– AD7111A–ELECTRICAL CHARACTERISTICS AD7111AC Grade AD7111AB Grade Parameter TA = +25 CTA = TMIN, TMAX TA = +25 CTA = TMIN, TMAX Units Conditions/Comments NOMINAL RESOLUTION 0.375 0.375 0.375 0.375 dB ACCURACY RELATIVE TO 0 dB ATTENUATION 0.375 dB Steps: Accuracy ≤ ±0.17 dB 0 to 36 0 to 36 0 to 30 0 to 30 dB min Guaranteed Attenuation Ranges Monotonic 0 to 54 0 to 54 0 to 48 0 to 48 dB min for Specified Step Sizes 0.75 dB Steps: Accuracy ≤ ±0.35 dB 0 to 48 0 to 42 0 to 42 0 to 36 dB min Monotonic 0 to 72 0 to 66 0 to 72 0 to 60 dB min 1.5 dB Steps: Accuracy ≤ ±0.7 dB 0 to 54 0 to 48 0 to 48 0 to 42 dB min Full Range Is from 0 dB Monotonic Full Range 0 to 78 0 to 85.5 0 to 72 dB min to 88.5 dB 3.0 dB Steps: Accuracy ≤ ±1.4 dB 0 to 66 0 to 54 0 to 60 0 to 48 dB min Monotonic Full Range Full Range Full Range Full Range dB min 6.0 dB Steps: Accuracy ≤ ±2.7 dB 0 to 72 0 to 60 0 to 60 0 to 48 dB min Monotonic Full Range Full Range Full Range Full Range dB min GAIN ERROR ± 0.1 ± 0.15 ±0.15 ±0.20 dB max VIN INPUT RESISTANCE 9/11/15 9/11/15 7/11/18 7/11/18 k Ω min/typ/max RFB INPUT RESISTANCE 9.3/11.5/15.7 9.3/11.5/15.7 7.3/11.5/18.8 7.3/11.5/18.8 k Ω min/typ/max DIGITAL INPUTS VIH (Input High Voltage) 2.4 2.4 2.4 2.4 V min VIL (Input High Voltage) 0.8 0.8 0.8 0.8 V max Input Leakage Current ± 1 ± 10 ±1 ±10 µA max Digital Inputs = VDD SWITCHING CHARACTERISTICS 1 tCS 0 0 0 0 ns min Chip Select to Write Setup Time tCH 0 0 0 0 ns min Chip Select to Write Hold Time tWR 57 57 57 57 ns min Write Pulse Width tDS 25 25 25 25 ns min Data Valid to Write Setup Time tDH 10 10 10 10 ns min Data Valid to Write Hold Time POWER SUPPLY VDD +5 +5 +5 +5 V Digital Inputs = VIL or VIH IDD 1 2 1 2 mA max CS = WR = 0 V 1 1 1 1 mA max Digital Inputs = 0 V or VDD; See Figure 6 NOTE 1Sample tested at +25 °C to ensure compliance. Specifications subject to change without notice. (VDD = +5 V, VIN = –10 V dc, IOUT = AGND = DGND = O V output amplifier AD711 except where noted) AC PERFORMANCE CHARACTERISTICS These characteristics are included for design guidance only and are not subject to test. VDD = +5 V, VIN = –10 V dc except where noted, IOUT = AGND = DGND = O V, output amplifier AD711 except where noted. AD7111AC Grade AD7111AB Grade Parameter TA = +25 CTA = TMIN, TMAX TA = +25 CTA = TMIN, TMAX Units Conditions/Comments DC Supply Rejection, ∆Gain/∆V DD 0.001 0.005 0.001 0.005 dB per % max ∆V DD = ± 10%, Input Code = 00000000 Propagation Delay 1 1.5 1 1.5 µs max Full-Scale Change Measured from WR Going High, CS = 0 V Digital-to-Analog Glitch Impulse 10 20 10 20 nV secs typ Measured with AD843 as Output Amplifier for Code Transition 10000000 to 00000000 C1 of Figure 1 is 0 pF Output Capacitance, Pin 1 50 50 50 50 pF max Input Capacitance, Pin 15 and Pin 16 7 7 7 7 pF max Feedthrough at 1 kHz –94 –90 –92 –90 dB max Total Harmonic Distortion –91 –91 –91 –91 dB typ VIN = 6 V rms at 1 kHz Output Noise Voltage Density 70 70 70 70 nV/ √Hz max Includes AD711 Amplifier Noise Digital Input Capacitance 7 7 7 7 pF max Specifications subject to change without notice. |
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