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AD5755 データシート(PDF) 1 Page - Analog Devices |
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AD5755 データシート(HTML) 1 Page - Analog Devices |
1 / 48 page Quad-Channel, 12-Bit, Serial Input, 4 mA to 20 mA and Voltage Output DAC with Dynamic Power Control Data Sheet AD5735 Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 www.analog.com Fax: 781.461.3113 ©2011–2012 Analog Devices, Inc. All rights reserved. FEATURES 12-bit resolution and monotonicity Dynamic power control for thermal management Current and voltage output pins connectable to a single terminal Current output ranges: 0 mA to 20 mA, 4 mA to 20 mA, and 0 mA to 24 mA ±0.1% total unadjusted error (TUE) maximum Voltage output ranges (with 20% overrange): 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V ±0.09% total unadjusted error (TUE) maximum User-programmable offset and gain On-chip diagnostics On-chip reference: ±10 ppm/°C maximum −40°C to +105°C temperature range APPLICATIONS Process control Actuator control PLCs GENERAL DESCRIPTION The AD5735 is a quad-channel voltage and current output DAC that operates with a power supply range from −26.4 V to +33 V. On-chip dynamic power control minimizes package power dissipation in current mode. This reduced power dissipation is achieved by regulating the voltage on the output driver from 7.4 V to 29.5 V using a dc-to-dc boost converter optimized for minimum on-chip power dissipation. The AD5735 uses a versatile 3-wire serial interface that operates at clock rates of up to 30 MHz and is compatible with standard SPI, QSPI™, MICROWIRE®, DSP, and microcontroller interface standards. The serial interface also features optional CRC-8 packet error checking, as well as a watchdog timer that monitors activity on the interface. PRODUCT HIGHLIGHTS 1. Dynamic power control for thermal management. 2. 12-bit performance. 3. Quad channel. COMPANION PRODUCTS Product Family: AD5755, AD5755-1, AD5757, AD5737 External References: ADR445, ADR02 Digital Isolators: ADuM1410, ADuM1411 Power: ADP2302, ADP2303 Additional companion products on the AD5735 product page FUNCTIONAL BLOCK DIAGRAM AD5735 AVSS –15V AGND AVDD +15V AVCC 5.0V DVDD DGND LDAC CLEAR SCLK SDIN SYNC SDO FAULT DC-TO-DC CONVERTER DIGITAL INTERFACE REFERENCE CURRENT AND VOLTAGE OUTPUT RANGE SCALING ALERT REFOUT REFIN AD1 AD0 DAC A SWx VBOOST_x GAIN REG A OFFSET REG A RSET_x +VSENSE_x –VSENSE_x VOUT_x IOUT_x DAC CHANNEL B DAC CHANNEL A DAC CHANNEL C DAC CHANNEL D 7.4V TO 29.5V + NOTES 1. x = A, B, C, OR D. Figure 1. |
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同様の説明 - AD5755 |
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