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AD7112CR Fiches technique(PDF) 2 Page - Analog Devices |
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AD7112CR Fiches technique(HTML) 2 Page - Analog Devices |
2 / 12 page REV. 0 –2– AD7112–SPECIFICATIONS (V DD = +5 V 5%; OUT A = OUT B = AGND = DGND = 0 V; VIN A = VIN B = 10 V. Output amplifier AD712 except where noted. All specifications TMIN to TMAX unless otherwise noted.) C Version 1 B Version TA =TA =TA =TA = Parameter +25 CTMIN, TMAX +25 CTMIN, TMAX Units Conditions/Comments ACCURACY Resolution 0.375 0.375 0.375 0.375 dB Accuracy Relative to Guaranteed Attenuation 0 dB Attenuation Ranges for Specified Step Sizes. 0.375 dB Steps: Accuracy ≤ ±0.17 dB 0 to 36 0 to 36 0 to 30 0 to 30 dB min Monotonic 0 to 54 0 to 54 0 to 48 0 to 48 dB min 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 Monotonic Full Range 0 to 78 0 to 85.5 0 to 72 dB min Full Range Is 0 dB 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 60 dB min Monotonic Full Range Full Range Full Range Full Range dB min Gain Error ±0.1 ±0.15 ±0.15 ±0.2 dB max Measured Using RFB A, RFB B. Both DAC Registers Loaded With All 0s. Output Leakage Current OUT A, OUT B ±50 ±400 ±50 ±400 nA max Input Resistance, VIN A, VIN B 9/15 9/15 9/15 9/15 k Ω min/max Typically 12 kΩ. Input Resistance Match ±1 ±1 ±2 ±2 % max Feedback Resistance, RFB A, RFB B 9.3/15.7 9.3/15.7 9.3/15.7 9.3/15.7 k Ω min/max LOGIC INPUTS CS , WR, DAC A /DAC B, DB0–DB7 Input Low Voltage, VINL 0.8 0.8 0.8 0.8 V max Input High Voltage, VINH 2.4 2.4 2.4 2.4 V min Input Leakage Current ±1 ±10 ±1 ±10 µA max Input Capacitance 2 10 10 10 10 pF max POWER REQUIREMENTS VDD, Range 3 4.75/5.25 4.75/5.25 4.75/5.25 4.75/5.25 V min/max For Specified Performance. 2 2 2 2 mA max Logic Inputs = VIL or VIH 2 2 2 2 mA max Logic Inputs = 0 V or VDD NOTES lTemperature range as follows: B, C Versions: –40 °C to +85°C. 2Guaranteed by design, not production tested. 3The part will function with V DD = 5 V ± 10% with degraded performance. Specifications subject to change without notice. |
Numéro de pièce similaire - AD7112CR |
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Description similaire - AD7112CR |
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