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AD783AQ Folha de dados(PDF) 1 Page - Analog Devices |
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AD783AQ Folha de dados(HTML) 1 Page - Analog Devices |
1 / 8 page FUNCTIONAL BLOCK DIAGRAM 1 2 3 45 6 7 8 AD783 VCC IN COMMON NC OUT S/H NC VEE NC = NO CONNECT X1 REV. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a Complete Very High Speed Sample-and-Hold Amplifier AD783* One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 FEATURES Acquisition Time to 0.01%: 250 ns Typical Low Power Dissipation: 95 mW Low Droop Rate: 0.02 V/ s Fully Specified and Tested Hold Mode Distortion Total Harmonic Distortion: –85 dB Aperture Jitter: 50 ps Maximum Internal Hold Capacitor Self-Correcting Architecture 8-Pin Mini Cerdip and SOIC Packages PRODUCT DESCRIPTION The AD783 is a high speed, monolithic sample-and-hold amplifier (SHA). The AD783 offers a typical acquisition time of 250 ns to 0.01%. The AD783 is specified and tested for hold mode total harmonic distortion with input frequencies up to 100 kHz. The AD783 is configured as a unity gain amplifier and uses a patented self-correcting architecture that minimizes hold mode errors and ensures accuracy over temperature. The AD783 is self-contained and requires no external components or adjustments. The AD783 retains the held value with a droop rate of 0.02 µV/ µs. 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’ ABCMOS process which merges high performance, low noise bipolar circuitry with low power CMOS to provide an accurate, high speed, low power SHA. The J grade device is specified for operation from 0 °C to +70°C and the A grade from –40 °C to +85°C. The J and A grades are available in 8-pin cerdip and SOIC packages. The military temperature range version is specified for operation from –55 °C to +125 °C and is available in an 8-pin cerdip package. For details refer to the Analog Devices Military Products Databook or AD783/883B data sheet. *Protected by U.S. Patent Number 4,962,325. PRODUCT HIGHLIGHTS 1. Fast acquisition time (250 ns), low aperture jitter (20 ps) and fully specified hold mode distortion make the AD783 an ideal SHA for sampling systems. 2. Low droop (0.02 µV/µs) and internally compensated hold mode error result in superior system accuracy. 3. Low power (95 mW typical), complete functionality and small size make the AD783 an ideal choice for a variety of high performance applications. 4. The AD783 requires no external components or adjustments. 5. The AD783 is an excellent choice as a front-end SHA for high speed analog-to-digital converters such as the AD671, AD7586, AD674B, AD774B, AD7572 and AD7672. 6. Fully specified and tested hold mode distortion guarantees the performance of the SHA in sampled data systems. |
Nº de peça semelhante - AD783AQ |
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Descrição semelhante - AD783AQ |
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