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AD5758 Datasheet(PDF) 1 Page - Analog Devices |
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AD5758 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 72 page  Single-Channel, 16-Bit Current and Voltage Output DAC with Dynamic Power Control and HART Connectivit y Data Sheet AD5758 Rev. 0 Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2018 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES 16-bit resolution and monotonicity DPC for thermal management Current/voltage output available on a single terminal Current output ranges: 0 mA to 20 mA, 4 mA to 20 mA, 0 mA to 24 mA, ±20 mA, ±24 mA, −1 mA to +22 mA Voltage output ranges (with 20% overrange): 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V User-programmable offset and gain Advanced on-chip diagnostics, including a 12-bit ADC On-chip reference Robust architecture, including output fault protection −40°C to +115°C temperature range 32-lead, 5 mm × 5 mm LFCSP package APPLICATIONS Process control Actuator control Channel isolated analog outputs Programmable logic controller (PLC) and distributed control systems (DCS) applications HART network connectivity GENERAL DESCRIPTION The AD5758 is a single-channel, voltage and current output digital- to-analog converter (DAC) that operates with a power supply range from −33 V (minimum) on AVSS to +33 V (maximum) on AVDD1 with a maximum operating voltage between the two rails of 60 V. On-chip dynamic power control (DPC) minimizes package power dissipation, which is achieved by regulating the supply voltage (VDPC+) to the VIOUT output driver circuitry from 5 V to 27 V using a buck dc-to-dc converter, optimized for minimum on-chip power dissipation. The CHART pin enables a HART® signal to be coupled onto the current output. The device uses a versatile 4-wire serial peripheral interface (SPI) that operates at clock rates of up to 50 MHz and is compatible with standard SPI, QSPI™, MICROWIRE™, DSP, and microcontroller interface standards. The interface also features an optional SPI cyclic redundancy check (CRC) and a watchdog timer (WDT). The AD5758 offers improved diagnostic features from its predecessors, such as output current monitoring and an integrated 12-bit diagnostic analog-to-digital converter (ADC). Additional robustness is provided by the inclusion of a fault protection switch on the VIOUT, +VSENSE, and −VSENSE pins. PRODUCT HIGHLIGHTS 1. Range of diagnostic features, including integrated ADC. 2. DPC, using an integrated buck dc-to-dc converter for thermal management, enabling higher channel count in smaller size module housing. 3. Programmable power control (PPC) mode to enable faster settling time (15 μs typical). 4. 16-bit performance. 5. HART compliant. COMPANION PRODUCTS Product Family: AD5755-1, AD5422 HART Modem: AD5700, AD5700-1 External References: ADR431, ADR3425, ADR4525 Digital Isolators: ADuM142D, ADuM141D Power: LT8300, ADP2360, ADM6339 |
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