Os motores de busca de Datasheet de Componentes eletrônicos |
|
AD5678ARUZ-2 Folha de dados(PDF) 1 Page - Analog Devices |
|
AD5678ARUZ-2 Folha de dados(HTML) 1 Page - Analog Devices |
1 / 28 page 4 × 12-Bit and 4 × 16-Bit Octal DAC with On-Chip Reference in 14-Lead TSSOP AD5678 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 © 2005 Analog Devices, Inc. All rights reserved. FEATURES Low power octal DAC with Four 16-bit DACs Four 12-bit DACs 14-lead/16-lead TSSOP On-chip 1.25 V/2.5 V, 5 ppm/°C reference Power down to 400 nA @ 5 V, 200 nA @ 3 V 2.7 V to 5.5 V power supply Guaranteed monotonic by design Power-on reset to zero scale 3 power-down functions Hardware LDAC and LDAC override function CLR function to programmable code Rail-to-rail operation APPLICATIONS Process control Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage current sources Programmable attenuators FUNCTIONAL BLOCK DIAGRAM INTERFACE LOGIC INPUT REGISTER DIN LDAC GND VOUTH VDD LDAC1 VREFIN/VREFOUT SYNC SCLK AD5678 CLR1 1RU-16 PACKAGE ONLY 1.25V/2.5V REF VOUTA VOUTB VOUTC VOUTD VOUTE VOUTF VOUTG DAC REGISTER STRING DAC A BUFFER INPUT REGISTER DAC REGISTER STRING DAC B BUFFER INPUT REGISTER DAC REGISTER STRING DAC C BUFFER INPUT REGISTER DAC REGISTER STRING DAC D BUFFER INPUT REGISTER DAC REGISTER STRING DAC E BUFFER INPUT REGISTER DAC REGISTER STRING DAC F BUFFER INPUT REGISTER DAC REGISTER STRING DAC G BUFFER INPUT REGISTER DAC REGISTER STRING DAC H BUFFER POWER-DOWN LOGIC POWER-ON RESET Figure 1. GENERAL DESCRIPTION The AD5678 is a low power, octal, buffered voltage-output DAC with four 12-bit DACs and four 16-bit DACs in a single package. All devices operate from a single 2.7 V to 5.5 V supply and are guaranteed monotonic by design. The AD5678 has an on-chip reference with an internal gain of 2. The AD5678-1 has a 1.25 V 5 ppm/°C reference, giving a full- scale output of 2.5 V; the AD5678-2 has a 2.5 V 5 ppm/°C reference, giving a full-scale output of 5 V. The on-board reference is off at power-up, allowing the use of an external reference. The internal reference is enabled via a software write. The part incorporates a power-on reset circuit that ensures that the DAC output powers up to 0 V and remains powered up at this level until a valid write takes place. The part contains a power-down feature that reduces the current consumption of the device to 400 nA at 5 V and provides software-selectable output loads while in power-down mode for any or all DAC channels. The outputs of all DACs can be updated simultaneously using the LDAC function, with the added functionality of user- selectable DAC channels to simultaneously update. There is also an asynchronous CLR that clears all DACs to a software- selectable code—0 V, midscale, or full scale. The AD5678 utilizes a versatile 3-wire serial interface that operates at clock rates of up to 50 MHz and is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards. The on-chip precision output amplifier enables rail- to-rail output swing. PRODUCT HIGHLIGHTS 1. Octal DAC (four 12-bit DACs and four 16-bit DACs). 2. On-chip 1.25 V/2.5 V, 5 ppm/°C reference. 3. Available in 14-lead/16-lead TSSOP. 4. Power-on reset to 0 V. 5. Power-down capability. When powered down, the DAC typically consumes 200 nA at 3 V and 400 nA at 5 V. |
Nº de peça semelhante - AD5678ARUZ-2 |
|
Descrição semelhante - AD5678ARUZ-2 |
|
|
Ligação URL |
Privacy Policy |
ALLDATASHEETPT.COM |
ALLDATASHEET é útil para você? [ DONATE ] |
Sobre Alldatasheet | Publicidade | Contato conosco | Privacy Policy | roca de Link | Lista de Fabricantes All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |