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AD7683BRMRL7 Folha de dados(PDF) 1 Page - Analog Devices |
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AD7683BRMRL7 Folha de dados(HTML) 1 Page - Analog Devices |
1 / 16 page 16-Bit, 100 kSPS PulSAR ADC in MSOP/QFN AD7683 Rev. 0 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 that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. FEATURES 16-bit resolution with no missing codes Throughput: 100 kSPS INL: ±1 LSB typ, ±3 LSB max Pseudodifferential analog input range 0 V to VREF with VREF up to VDD Single-supply operation: 2.7 V to 5.5 V Serial interface SPI®/QSPI™/MICROWIRE™/DSP-compatible Power dissipation : 4 mW @ 5 V, 1.5 mW @ 2.7 V, 150 µW @ 2.7 V/10 kSPS Standby current: 1 nA 8-lead package: MSOP package and 3 mm × 3 mm QFN1 (LFCSP) (SOT-23 size) Improved 2nd source to ADS8320 and ADS8325 APPLICATIONS Battery-powered equipment Data acquisition Instrumentation Medical instruments Process control APPLICATION DIAGRAM AD7683 REF GND VDD +IN –IN DCLOCK DOUT CS 3-WIRE SPI INTERFACE 0.5V TO VDD 2.7V TO 5.5V 0 TO VREF Figure 1. Table 1. MSOP, QFN (LFCSP)/SOT-23, 16-Bit PulSAR ADC Type 100 kSPS 250 kSPS 500 kSPS True Differential AD7684 AD7687 AD7688 Pseudo Differential/Unipolar AD7683 AD7685 AD7694 AD7686 Unipolar AD7680 GENERAL DESCRIPTION The AD7683 is a 16-bit, charge redistribution, successive approximation, PulSAR™ analog-to-digital converter (ADC) that operates from a single power supply, VDD, between 2.7 V to 5.5 V. It contains a low power, high speed, 16-bit sampling ADC with no missing codes (B grade), an internal conversion clock, and a serial, SPI-compatible interface port. The part also contains a low noise, wide bandwidth, short aperture delay, track-and-hold circuit. On the CS falling edge, it samples an analog input, +IN, between 0 V to REF with respect to a ground sense, –IN. The reference voltage, REF, is applied externally and can be set up to the supply voltage. Its power scales linearly with throughput. The AD7683 is housed in an 8-lead MSOP or an 8-lead QFN (LFCSP) package, with an operating temperature specified from −40°C to +85°C. 1 QFN package in development. Contact factory for samples and availability. |
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Descrição semelhante - AD7683BRMRL7 |
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