AD783 Analog Devices, AD783 Datasheet
AD783
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AD783 Summary of contents
Page 1
... The AD783 is self-contained and requires no external components or adjustments. The AD783 retains the held value with a droop rate of 0. Excellent linearity and hold mode dc and dynamic perfor- mance make the AD783 ideal for high speed 12- and 14-bit analog-to-digital converters. The AD783 is manufactured on Analog Devices’ ...
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... TEMPERATURE RANGE Specified Performance (J) Specified Performance (A) NOTES 1 Specified and tested over an input range of 2.5 V. Specifications subject to change without notice. with 5 –5 V 5%, C MAX CC EE AD783J/A Min –30 –5 –5 –2.5 2.0 4. –40 –2– = pF, unless otherwise noted) L Typ Max ...
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... ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD783 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality ...
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... AD783–Typical Characteristics 100 1k FREQUENCY – Hz Power Supply Rejection Ratio vs. Frequency 200 150 100 50 0 –50 –100 –150 –200 0 –2.5 INPUT VOLTAGE – V Bias Current vs. Input Voltage 10.0 V+ V– 1.0 0.1 0.01 0.001 10k 100k 1M Droop Rate vs. Temperature, V 300 250 200 0 +2 ...
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... Both input and output are treated as a single-ended signal, referred to common. The AD783 utilizes a proprietary circuit design which includes a self-correcting architecture. This sample-and-hold circuit corrects for internal errors after the hold command has been given, by compensating for amplifier gain and offset errors, and charge injection errors ...
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... The nominal hold mode offset is specified for input condition. Over the in- put range of –2 +2.5 V, the AD783 is also characterized for an effective gain error and nonlinearity of the held value, as shown in Figure 2. As indicated by the AD783 specifications, the hold mode offset is very stable over temperature. – ...
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... FREQUENCY – Hz Figure 4. RMS Noise vs. Input Bandwidth of ADC DRIVING THE ANALOG INPUTS For best performance important to drive the AD783 analog input from a low impedance signal source. This enhances the sampling accuracy by minimizing the analog and digital cross- talk. Signals which come from higher impedance sources (e.g., over will have a relatively higher level of crosstalk ...
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... AD670 combined with the 150 ns hold- mode settling time of the AD783 result in a total system throughput of 10. keeping the 10.7 MHz IF input to the AD783 at a low amplitude, 255 mV p-p, the resultant distortion and jitter- induced noise result in approximately dynamic range. ...