AD684SQ/883B Analog Devices Inc, AD684SQ/883B Datasheet
AD684SQ/883B
Specifications of AD684SQ/883B
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AD684SQ/883B Summary of contents
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FEATURES Four Matched Sample-and-Hold Amplifiers Independent Inputs, Outputs and Control Pins 500 ns Hold Mode Settling 1 s Maximum Acquisition Time to 0.01% Low Droop Rate: 0. Internal Hold Capacitors 75 ps Maximum Aperture Jitter Low Power ...
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AD684–SPECIFICATIONS Parameter SAMPLING CHARACTERISTICS Acquisition Time 10 V Step to 0.01 Step to 0.1% Small Signal Bandwidth Full Power Bandwidth HOLD CHARACTERISTICS Effective Aperture Delay Aperture Jitter Hold Settling Time (to 1 mV) l Droop Rate Feedthrough (V ...
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ABSOLUTE MAXIMUM RATINGS* With Spec Respect to V Common CC V Common EE Control Inputs Common Analog Inputs Common Output Short Circuit to Ground Max Junction Temperature Storage Lead Temperature (10 sec max) Power Dissipation ...
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AD684–Typical Characteristics Interchannel Isolation vs. Frequency Effective Aperture Delay vs. Frequency Supply Current vs. Supply Voltage Power Supply Rejection Ratio vs. Frequency Bias Current vs. Input Voltage Acquisition Time (to 0.01 %) vs. Input Step Size –4– Droop Rate vs. ...
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DEFINITIONS OF SPECIFICATIONS Acquisition Time — The length of time that the SHA must remain in the sample mode in order to acquire a full-scale input step to a given level of accuracy. Small Signal Bandwidth — The frequency at ...
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AD684 DYNAMIC PERFORMANCE The AD684 is compatible with 12-bit A-to-D converters in terms of both accuracy and speed. The fast acquisition time, fast hold settling time and good output drive capability allow the AD684 to be used with high speed, ...
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The AD684 does not provide separate analog and digital ground leads as is the case with most A-to-D converters. The common pin is the single ground terminal for the device the refer- ence point for the sampled input ...
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AD684 DATA ACQUISITION APPLICATIONS Figure 9 shows a typical data acquisition circuit using the AD684 and the high speed 12-bit A-to-D converter, the AD7672. Four input signals are simultaneously sampled by the AD684 as the HOLD command is given. One ...