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AD5660CRM-1 Datasheet(PDF) 1 Page - Analog Devices |
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AD5660CRM-1 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page 3 V/5 V, 16-Bit nanoDACTM D/A with 10 ppm/°C Max On-Chip Reference in SOT-23 Preliminary Technical Data AD5660 Rev. Pr J 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 that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. FEATURES Low power single 16-bit nanoDAC 12-bit accuracy guaranteed On-chip 1.25/2.5 V, 10 ppm/°c reference Tiny 8-lead SOT-23/MSOP package Power-down to 200 nA @ 5 V, 50 nA @ 3 V 3 V/5 V single power supply Guaranteed 16-bit monotonic by design Power-on-reset to zero/midscale Three power-down functions Serial interface with Schmitt-triggered inputs Rail-to-rail operation SYNC interrupt facility APPLICATIONS Processcontrol Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators Figure 1. GENERAL DESCRIPTION The AD5660 parts are a member of the nanoDAC family of devices. They are low power, single, 16-bit buffered voltage-out DACs, guaranteed monotonic by design. The AD5660x-1 operate from a 3 V single supply featuring an internal reference of 1.25 V and an internal gain of 2. The AD5660x-2/3 operate from a 5 V single supply featuring an internal reference of 2.5 V and an internal gain of 2. Each reference has a 10 ppm/°C max temperature coefficient. The reference associated with each part is available at the REFOUT pin. The part incorporates a power-on reset circuit that ensures that the DAC output powers up to 0 V (AD5660x-1/2) or midscale (AD5660x-3) and remains there until a valid write takes place. The part contains a power-down feature that reduces the current consumption of the device to 200 nA at 5 V and provides software selectable output loads while in power-down mode. The AD5660 uses a versatile three-wire serial interface that operates at clock rates up to 30 MHz and is compatible with standard SPI™, QSPI™, MICROWIRE™ and DSP interface standards. Its on-chip precision output amplifier allows rail-to- rail output swing to be achieved. The low power consumption of this part in normal operation makes it ideally suited to portable battery operated equipment. The power consumption is 0.7 mW at 5 V reducing to 1 µW in power-down mode. The AD5660 is designed with new technology and is the next generation to the AD53xx family. PRODUCT HIGHLIGHTS 1. 16-Bit DAC; 12-Bit Accuracy Guaranteed. 2. On-chip 1.25/2.5 V, 10 ppm/°C max Reference. 3. Available in 8-lead SOT-23 and 8-lead MSOP package. 4. Power-On Reset to 0 V or Midscale. 5. Power-down capability. When powered down, the DAC typically consumes 50 nA at 3 V and 200n A at 5 V. 6. 10 µS Settling Time. RELATED DEVICES Part No. Description AD5620/AD5640 3 V/5 V 12-/14-bit DAC with internal ref in SOT-23 AD5662 2.7V to 5.5 V, 16-bit DAC in SOT-23, external reference |
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