Datasheet AD9480 (Analog Devices)

制造商Analog Devices
描述8-Bit, 250 MSPS, 3.3 V A/D Converter
页数 / 页29 / 1 — 8-Bit, 250 MSPS. 3.3 V A/D Converter. AD9480. FEATURES. FUNCTIONAL BLOCK …
修订版A
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文件语言英语

8-Bit, 250 MSPS. 3.3 V A/D Converter. AD9480. FEATURES. FUNCTIONAL BLOCK DIAGRAM. DNL = ± 0.25 LSB. VREF SENSE. AGND. DrGND. DRVDD. AVDD

Datasheet AD9480 Analog Devices, 修订版: A

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8-Bit, 250 MSPS 3.3 V A/D Converter AD9480 FEATURES FUNCTIONAL BLOCK DIAGRAM DNL = ± 0.25 LSB VREF SENSE AGND DrGND DRVDD AVDD INL = ± 0.26 LSB Single 3.3 V supply operation (3.0 V to 3.6 V) REFERENCE AD9480 Power dissipation of 590 mW at 250 MSPS 1 V p-p analog input range VIN+ 8-BIT Internal 1.0 V reference T&H 8 VIN– ADC 16 LVDS D7–D0 PIPELINE Single-ended or differential analog inputs (LVDS) CORE LVDS outputs (ANSI 644 levels) Power-down mode CLK+ Clock duty-cycle stabilizer CLOCK DCO+ MGMT CLK– DCO- (LVDS) APPLICATIONS LOGIC Digital oscilloscopes
001
Instrumentation and measurement PDWN S1 LVDSBIAS
04619-
Communications
Figure 1.
Point-to-point radios Predistortion loops GENERAL DESCRIPTION PRODUCT HIGHLIGHTS
The AD9480 is an 8-bit, monolithic analog-to-digital converter 1. Superior linearity. A DNL of ±0.25 makes the AD9480 (ADC) optimized for high speed and low power consumption. suitable for instrumentation and measurement Small in size and easy to use, the product operates at a applications. 250 MSPS conversion rate, with excellent linearity and dynamic performance over its full operating range. 2. Power-down mode. A power-down function may be exercised to bring total consumption down to 15 mW. To minimize system cost and power dissipation, the AD9480 includes an internal reference and track-and-hold circuit. The 3. LVDS outputs (ANSI-644). LVDS outputs simplify timing user only provides a 3.3 V power supply and a differential and improve noise performance encode clock. No external reference or driver components are required for many applications. The digital outputs are LVDS (ANSI 644) compatible with an option of twos complement or binary output format. The output data bits are provided in parallel fashion along with an LVDS output clock, which simplifies data capture. Fabricated on an advanced BiCMOS process, the AD9480 is available in a 44-lead surface-mount package (TQFP) specified over the industrial temperature range −40°C to +85°C.
Rev. A 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. or otherwise under any patent or patent rights of Analog Devices. Trademarks and Tel: 781.329.4700 www.analog.com registered trademarks are the property of their respective owners. Fax: 781.461.3113 ©2005 Analog Devices, Inc. All rights reserved.
Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY DC SPECIFICATIONS DIGITAL SPECIFICATIONS AC SPECIFICATIONS SWITCHING SPECIFICATIONS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS EXPLANATION OF TEST LEVELS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS EQUIVALENT CIRCUITS APPLICATION NOTES CLOCKING THE AD9480 ANALOG INPUTS VOLTAGE REFERENCE Fixed Reference External Reference Programmable Reference DIGITAL OUTPUTS OUTPUT CODING INTERLEAVING TWO AD9480s DATA CLOCK OUT POWER-DOWN AD9480 EVALUATION BOARD POWER CONNECTOR ANALOG INPUTS GAIN OPTIONAL OPERATIONAL AMPLIFIER CLOCK OPTIONAL CLOCK BUFFER OPTIONAL XTAL VOLTAGE REFERENCE DATA OUTPUTS EVALUATION BOARD BILL OF MATERIALS (BOM) PCB SCHEMATICS PCB LAYERS OUTLINE DIMENSIONS ORDERING GUIDE