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部品型式

AD9223ARZ-REEL

製品説明
仕様・特性

Complete 12-Bit 1.5/3.0/10.0 MSPS Monolithic A/D Converters AD9221/AD9223/AD9220 FEATURES Monolithic 12-Bit A/D Converter Product Family Family Members Are: AD9221, AD9223, and AD9220 Flexible Sampling Rates: 1.5 MSPS, 3.0 MSPS, and 10.0 MSPS Low Power Dissipation: 59 mW, 100 mW, and 250 mW Single 5 V Supply Integral Nonlinearity Error: 0.5 LSB Differential Nonlinearity Error: 0.3 LSB Input Referred Noise: 0.09 LSB Complete On-Chip Sample-and-Hold Amplifier and Voltage Reference Signal-to-Noise and Distortion Ratio: 70 dB Spurious-Free Dynamic Range: 86 dB Out-of-Range Indicator Straight Binary Output Data 28-Lead SOIC and 28-Lead SSOP GENERAL DESCRIPTION The AD9221, AD9223, and AD9220 are a generation of high performance, single supply 12-bit analog-to-digital converters. Each device exhibits true 12-bit linearity and temperature drift performance1 as well as 11.5-bit or better ac performance.2 The AD9221/AD9223/AD9220 share the same interface options, package, and pinout. Thus, the product family provides an upward or downward component selection path based on performance, sample rate and power. The devices differ with respect to their specified sampling rate, and power consumption, which is reflected in their dynamic performance over frequency. The AD9221/AD9223/AD9220 combine a low cost, high speed CMOS process and a novel architecture to achieve the resolution and speed of existing hybrid and monolithic implementations at a fraction of the power consumption and cost. Each device is a complete, monolithic ADC with an on-chip, high performance, low noise sample-and-hold amplifier and programmable voltage reference. An external reference can also be chosen to suit the dc accuracy and temperature drift requirements of the application. The devices use a multistage differential pipelined architecture with digital output error correction logic to provide 12-bit accuracy at the specified data rates and to guarantee no missing codes over the full operating temperature range. The input of the AD9221/AD9223/AD9220 is highly flexible, allowing for easy interfacing to imaging, communications, medical, and data-acquisition systems. A truly differential input structure allows for both single-ended and differential input interfaces of varying input spans. The sample-and-hold NOTES 1 Excluding internal voltage reference. 2 Depends on the analog input configuration. FUNCTIONAL BLOCK DIAGRAM AVDD CLK DVDD SHA VINA MDAC1 GAIN = 16 VINB A/D CAPT 5 MDAC2 GAIN = 8 A/D 5 4 MDAC3 GAIN = 4 A/D 3 A/D 4 CAPB VREF 3 3 DIGITAL CORRECTION LOGIC 12 OUTPUT BUFFERS OTR SENSE MODE SELECT 1V AD9221/AD9223/AD9220 REFCOM AVSS DVSS BIT 1 (MSB) BIT 12 (LSB) CML amplifier (SHA) is equally suited for both multiplexed systems that switch full-scale voltage levels in successive channels as well as sampling single-channel inputs at frequencies up to and beyond the Nyquist rate. Also, the AD9221/AD9223/AD9220 is well suited for communication systems employing DirectIF down conversion since the SHA in the differential input mode can achieve excellent dynamic performance far beyond its specified Nyquist frequency.2 A single clock input is used to control all internal conversion cycles. The digital output data is presented in straight binary output format. An out-of-range (OTR) signal indicates an overflow condition that can be used with the most significant bit to determine low or high overflow. PRODUCT HIGHLIGHTS The AD9221/AD9223/AD9220 family offers a complete singlechip sampling 12-bit, analog-to-digital conversion function in pin compatible 28-lead SOIC and SSOP packages. Flexible Sampling Rates—The AD9221, AD9223, and AD9220 offer sampling rates of 1.5 MSPS, 3.0 MSPS, and 10.0 MSPS, respectively. Low Power and Single Supply—The AD9221, AD9223, and AD9220 consume only 59 mW, 100 mW, and 250 mW, respectively, on a single 5 V power supply. Excellent DC Performance Over Temperature—The AD9221/ AD9223/AD9220 provide 12-bit linearity and temperature drift performance.1 Excellent AC Performance and Low Noise—The AD9221/ AD9223/AD9220 provide better than 11.3 ENOB performance and have an input referred noise of 0.09 LSB rms.2 Flexible Analog Input Range—The versatile on-board sampleand-hold (SHA) can be configured for either single-ended or differential inputs of varying input spans. REV. E 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. 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 companies. 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 © 2003 Analog Devices, Inc. All rights reserved.

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。

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AD9223ARZREEL 2296個    
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