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AD5445YRUZ

製品説明
仕様・特性

8-/10-/12-Bit, High Bandwidth Multiplying DACs with Parallel Interface AD5424/AD5433/AD5445 Data Sheet FEATURES GENERAL DESCRIPTION 2.5 V to 5.5 V supply operation Fast parallel interface (17 ns write cycle) Update rate of 20.4 MSPS INL of ±1 LSB for 12-bit DAC 10 MHz multiplying bandwidth ±10 V reference input Extended temperature range: –40°C to +125°C 20-lead TSSOP and chip scale (4 mm × 4 mm) packages 8-, 10-, and 12-bit current output DACs Upgrades to AD7524/AD7533/AD7545 Pin-compatible 8-, 10-, and 12-bit DACs in chip scale Guaranteed monotonic 4-quadrant multiplication Power-on reset with brownout detection Readback function 0.4 µA typical power consumption The AD5424/AD5433/AD54451 are CMOS 8-, 10-, and 12-bit current output digital-to-analog converters (DACs), respectively. These devices operate from a 2.5 V to 5.5 V power supply, making them suitable for battery-powered applications and many other applications. These DACs utilize data readback, allowing the user to read the contents of the DAC register via the DB pins. On power-up, the internal register and latches are filled with 0s and the DAC outputs are at zero scale. As a result of manufacturing with a CMOS submicron process, they offer excellent 4-quadrant multiplication characteristics, with large signal multiplying bandwidths of up to 10 MHz. The applied external reference input voltage (VREF) determines the full-scale output current. An integrated feedback resistor (RFB) provides temperature tracking and full-scale voltage output when combined with an external I-to-V precision amplifier. While these devices are upgrades of the AD5424/AD5433/ AD5445 in multiplying bandwidth performance, they have a latched interface and cannot be used in transparent mode. APPLICATIONS Portable battery-powered applications Waveform generators Analog processing Instrumentation applications Programmable amplifiers and attenuators Digitally controlled calibration Programmable filters and oscillators Composite video Ultrasound Gain, offset, and voltage trimming The AD5424 is available in a small, 20-lead LFCSP and a small, 16-lead TSSOP, while the AD5433 and AD5445 DACs are available in a small, 20-lead LFCSP and a small, 20-lead TSSOP. The EVAL-AD5445SDZ evaluation board is available for evaluating DAC performance. For more information, see the UG-333 evaluation board user guide. 1 U.S Patent No. 5,689,257. FUNCTIONAL BLOCK DIAGRAM VDD AD5424/ AD5433/ AD5445 POWER-ON RESET CS R/W VREF R RFB IOUT1 8-/10-/12-BIT R-2R DAC IOUT2 DAC REGISTER GND DB0 DB7/DB9/DB11 DATA INPUTS 03160-001 INPUT LATCH Figure 1. Rev. E Document Feedback 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 ©2003–2016 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com

ブランド

AD

会社名

Analog Devices

本社国名

U.S.A

事業概要

半導体デバイスを製造するアメリカの多国籍企業。特にADC、DAC、MEMS、DSPなどに強い。現在は 65nm から 3μm のプロセスルールの回路を設計している。

供給状況

 
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