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AD781SQ Datasheet(PDF) 2 Page - Analog Devices |
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AD781SQ Datasheet(HTML) 2 Page - Analog Devices |
2 / 8 page REV. A –2– AD781–SPECIFICATIONS DC SPECIFICATIONS AD781J AD781A AD781S Parameter Min Typ Max Min Typ Max Min Typ Max Units SAMPLING CHARACTERISTICS Acquisition Time 10 V Step to 0.01% 600 700 600 700 600 700 ns 10 V Step to 0.1% 500 600 500 600 500 600 ns Small Signal Bandwidth 4 4 4 MHz Full Power Bandwidth 1 1 1 MHz HOLD CHARACTERISTICS Effective Aperture Delay (25 °C) –35 –25 –15 –35 –25 –15 –35 –25 –15 ns Aperture Jitter (25 °C) 50 75 50 75 50 75 ps Hold Settling (to 1 mV, 25 °C) 250 500 250 500 250 500 ns Droop Rate 0.01 1 0.01 1 0.01 1 µV/µs Feedthrough (25 °C) (VIN = ± 5 V, 100 kHz) –86 –86 –86 dB ACCURACY CHARACTERISTICS 1 Hold Mode Offset –4 –1 +3 –4 –1 +3 –4 –1 +3 mV Hold Mode Offset Drift 10 10 10 µV/°C Sample Mode Offset 50 200 50 200 50 200 mV Nonlinearity ±0.002 ±0.003 ±0.002 ±0.003 ±0.003 ±0.005 % FS Gain Error ±0.01 ±0.025 ±0.01 ±0.025 ±0.01 ±0.025 % FS OUTPUT CHARACTERISTICS Output Drive Current –5 +5 –5 +5 –5 +5 mA Output Resistance, DC 0.3 0.5 0.3 0.5 0.3 0.5 Ω Total Output Noise (DC to 5 MHz) 150 150 150 µV rms Sampled DC Uncertainty 85 85 85 µV rms Hold Mode Noise (DC to 5 MHz) 125 125 125 µV rms Short Circuit Current Source 20 20 20 mA Sink 10 10 10 mA INPUT CHARACTERISTICS Input Voltage Range –5 +5 –5 +5 –5 +5 V Bias Current 50 250 50 250 50 250 nA Input Impedance 50 50 50 M Ω Input Capacitance 2 2 2 pF DIGITAL CHARACTERISTICS Input Voltage Low 0.8 0.8 0.8 V Input Voltage High 2.0 2.0 2.0 V Input Current High (VIN = 5 V) 2 10 2 10 2 10 µA POWER SUPPLY CHARACTERISTICS Operating Voltage Range ±10.8 ±12 ±13.2 ±10.8 ±12 ±13.2 ±10.8 ±12 ±13.2 V Supply Current 4 6.5 4 6.5 4 7 mA +PSRR (+12 V ± 10%) 70 80 70 80 70 80 dB –PSRR (–12 V ± 10%) 65 75 65 75 65 75 dB Power Consumption 95 175 95 175 95 185 mW TEMPERATURE RANGE Specified Performance 0 +70 –40 +85 –55 +125 °C NOTE 1Specified and tested over an input range of ±5 V. Specifications subject to change without notice. Specifications shown in boldface are tested on all devices at final electrical test. Results from those tests are used to calculate outgoing quality levels. All min and max specifications are guaranteed although only those shown in boldface are tested. (TMIN to TMAX, VCC = +12 V 10%, VEE = –12 V 10%, CL = 20 pF, unless otherwise noted) |
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