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部品型式

AD9066AR

製品説明
仕様・特性

a FEATURES Two Matched ADCs on Single Chip CMOS-Compatible I/O Low-Power (400 mW) Dissipation Single +5 V Supply On-Chip Voltage Reference Self-Biased for AC-Coupled Inputs 28-Lead SOIC and SSOP Packages APPLICATIONS Direct Broadcast Satellite (DBS) Receivers QAM Demodulators Wireless LANs VSAT Receivers PRODUCT DESCRIPTION The AD9066 is a dual 6-bit ADC that has been optimized for low-cost in-phase and quadrature (I and Q) demodulators. Primary applications include digital direct broadcast satellite applications where broadband quadrature phase shift keying (QPSK) modulation is used. In these receivers the recovered signal is separated into I and Q vector components and digitized. To reduce total system cost and power dissipation, the AD9066 provides an internal voltage reference and operates from a single +5 volt power supply. Digital outputs are CMOS compatible and rated to 60 MSPS conversion rates. The digital input (ENCODE) utilizes a CMOS input stage with a TTL compatible (1.4 V) threshold. The AD9066 is housed in a 28-lead SOIC and a 28-lead SSOP package and is available in two temperature grades. The AD9066JR is rated for operation over the 0°C to 70°C commercial temperature range. The AD9066AR/ARS is rated for the –40°C to +85°C industrial temperature range. The internal voltage reference insures that the analog input is biased to midscale with low offset when driven from an accoupled source. In dc-coupled applications, the midscale voltage reference can be used to control external biasing amplifiers to minimize offsets due to variations in temperature or supply voltage. Dual 6-Bit, 60 MSPS Monolithic A/D Converter AD9066 FUNCTIONAL BLOCK DIAGRAM +VS AD9066 VT 6-BIT DAC D0A-D5A 6-BIT DAC INA D0B-D5B REF A ENCODE INB REF B VB PIN CONFIGURATIONS ENCODE 1 28 D5A (MSB) +VS 2 27 D4A GND 3 26 D3A GND 4 25 D2A +VS 5 INA 6 24 D1A AD9066 (JR/AR) 23 D0A (LSB) GND 7 TOP VIEW 22 GND +VS 8 (Not to Scale) 21 +VS VT 9 20 D5B (MSB) REF A 10 19 D4B INB 11 18 D3B REF B 12 17 D2B VB 13 16 D1B NC 14 15 D0B (LSB) NC = NO CONNECT +VS 1 28 GND VT 2 27 INA REF A 3 26 +VS INB 4 25 GND 24 GND REF B 5 AD9066 +VS (ARS) TOP VIEW 22 ENCODE (LSB) D0B 8 (Not to Scale) 21 D5A (MSB) VB 6 23 NC 7 D1B 9 D3A 18 D2A D4B 12 17 D1A (MSB) D5B 13 16 D0A (LSB) +VS 14 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. D4A 19 D3B 11 REV. A 20 D2B 10 15 GND NC = NO CONNECT One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2000

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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