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AD5590BBCZ Datasheet(PDF) 1 Page - Analog Devices |
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AD5590BBCZ Datasheet(HTML) 1 Page - Analog Devices |
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1 / 44 page  16 Input, 16 Output Analog I/O Port with Integrated Amplifiers AD5590 Rev. 0 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 www.analog.com Fax: 781.461.3113 ©2008 Analog Devices, Inc. All rights reserved. FEATURES Input channels 12-bit successive approximation ADC 16 inputs with sequencer Fast throughput rate: 1 MSPS Wide input bandwidth: 70 dB SNR at fIN = 50 kHz Output channels 16 outputs with 12-bit DACs On-chip 2.5 V reference Hardware LDAC and LDAC override function CLR function to programmable code Rail-to-rail operation Operational amplifiers Offset voltage: 2.2 mV maximum Low input bias current: 1 pA maximum Single supply operation Low noise: 22 nV/√Hz Unity gain stable Flexible serial interface SPI-/QSPI-/MICROWIRE-/DSP-compatible −40°C to +85°C operation APPLICATIONS Optical line cards Base stations General-purpose analog I/O Monitoring and control FUNCTIONAL BLOCK DIAGRAM INPUT REGISTER DDIN LDAC VOUT7 ADCVDD LDAC VREFIN1/VREFOUT1 DSYNC1 DSCLK AD5590 CLR 1.25V/2.5V REF VOUT0 DAC REGISTER STRING DAC 0 BUFFER INPUT REGISTER DAC REGISTER STRING DAC 7 BUFFER POWER-DOWN LOGIC POWER-ON RESET DAC INTERFACE LOGIC IN0(–) IN0(+) OUT0 IN7(–) IN7(+) OUT7 VIN0 VINI5 INPUT MUX T/H ASCLK ASYNC SEQUENCER VREFA VDRIVE DACGND (×2) DSYNC2 12-BIT SUCCESSIVE APPROXIMATION ADC ADC INTERFACE LOGIC ADIN ADOUT INPUT REGISTER VOUT15 VOUT8 DAC REGISTER STRING DAC 8 BUFFER INPUT REGISTER DAC REGISTER STRING DAC 15 BUFFER VREFIN2/VREFOUT2 POWER-DOWN LOGIC 1.25V/2.5V REF DACVDD (×2) ADCGND V1+ V2+ V1– V2– Figure 1. |
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