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AD7393AR Datasheet(PDF) 1 Page - Analog Devices |
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AD7393AR Datasheet(HTML) 1 Page - Analog Devices |
1 / 11 page 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 AD7392/AD7393 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1999 +3 V, Parallel Input Micropower 10- and 12-Bit DACs FUNCTIONAL BLOCK DIAGRAM 12 12 12-BIT DAC DAC REGISTER VREF SHDN AGND RS DB0–DB11 CS DGND AD7392 VDD VOUT FEATURES Micropower: 100 A 0.1 A Typical Power Shutdown Single-Supply +2.7 V to +5.5 V Operation Compact 1.1 mm Height TSSOP-20 Package AD7392/12-Bit Resolution AD7393/10-Bit Resolution 0.9 LSB Differential Nonlinearity Error APPLICATIONS Automotive 0.5 V to 4.5 V Output Span Voltage Portable Communications Digitally Controlled Calibration PC Peripherals GENERAL DESCRIPTION The AD7392/AD7393 family of 10- and 12-bit voltage-output digital-to-analog converters is designed to operate from a single +3 V supply. Built using a CBCMOS process, these monolithic DACs offer the user low cost and ease of use in single-supply +3 V systems. Operation is guaranteed over the supply voltage range of +2.7 V to +5.5 V, making this device ideal for battery operated applications. The full-scale voltage output is determined by the external reference input voltage applied. The rail-to-rail REFIN to DACOUT allows for a full-scale voltage set equal to the positive supply VDD or any value in between. The voltage outputs are capable of sourcing 5 mA. A 12-bit wide data latch loads with a 45 ns write time allowing interface to the fastest processors without wait states. Additionally, an asynchronous RS input sets the output to zero scale at power on or upon user demand. Both parts are offered in the same pinout to allow users to select the amount of resolution appropriate for their applications without circuit card changes. The AD7392/AD7393 are specified for operation over the ex- tended industrial (–40 °C to +85°C) temperature range. The AD7393AR is specified for the –40 °C to +125°C automotive temperature range. AD7392/AD7393s are available in plastic DIP, and 20-lead SOIC packages. The AD7393ARU is avail- able for ultracompact applications in a thin 1.1 mm height TSSOP-20 package. For serial data input, 8-lead packaged versions, see the AD7390 and AD7391 products. CODE – Decimal 1 1 0.4 0.2 0.4 0.6 0.8 0.2 0 0.8 0.6 0 4096 512 1024 1536 2048 2560 3072 3584 AD7392 VDD = +2.7V VREF = +2.5V TA = 25 C Figure 1. AD7392 Differential Nonlinearity Error vs. Code CODE – Decimal 1024 128 256 384 512 640 768 896 0 AD7393 VDD = +2.7V VREF = +2.5V TA = 25 C 1 1 0.4 0.2 0.4 0.6 0.8 0.2 0 0.8 0.6 Figure 2. AD7393 Differential Nonlinearity Error vs. Code |
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