供应 全新 原装 现货 热卖 AD9957BSVZ

地区:广东 深圳
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深圳市太航半导体有限公司

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FEATURES1GSPS internal clock speed (up to 400MHz analog out)Integrated 1GSPS 14-bit DAC250 MHz I/Q data throughput ratePhase noise ≤ –123 dBc/Hz (400 MHz carrier)Excellent dynamic performance >80 dB narrowband SFDR8 Programmable Profiles for shift keyingSIN(X)/(X) Correction (Inverse SINC filter)Reference Clock MultiplierInternal oscillator for a single crystal operationSoftware and hardware controlled power-downIntegrated RAMPhase modulation capabilityMultichip synchronizationEasy interface to Blackfin™ SPORTInterpolation factors from 4x to 252xTest tone circuitryInterpolation DAC ModeGain control DACInternal divider allows references up to 2 GHz1.8V & 3.3V Power Supplies100 Lead TQFP packageAPPLICATIONSHFC Data, Telephony & Video ModemsWireless Base Station TransmissionBroadband Communications TransmissionsInternet Telephony


GENERAL DESCRIPTIONThe AD9957 functions as a universal I/Q modulator and agileupconverter for communications systems where cost, size,power consumption and dynamic performance are critical. TheAD9957 integrates a high speed Direct Digital Synthesizer(DDS), a high performance, high speed 14-bit digital to analogconverter (DAC), clock multiplier circuitry, digital filters andother DSP functions onto a single chip. It provides for baseband up-conversion for data transmission in a wired or wirelesscommunications system.The AD9957 is the third offering in a family of a quadraturedigital upconverters (QDUCs), which includes the AD9857 andAD9856. It offers performance gains in operating speed, powerconsumption and spectral performance. Unlike its predecessors,it also supports a 16-bit serial input mode for I/Q baseband data. The device can alternatively be programmed to operateas a single-tone sinusoidal source or as an interpolatingDAC.The Reference Clock input circuitry includes a crystal oscillator,a high speed divide-by-two input, and a low noise PLL for multiplicationof the reference clock frequency.The user interface to the control functions includes a serial porteasily configured to interface to the SPORT of the Blackfin DSPand profile pins which enable fast and easy shift keying of anysignal parameter (phase, frequency, and amplitude).


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深圳飞弛宏科技有限公司

联 系 人: 李先生  13662688167

电话: 0755-83521389   传真:0755-83502530


公司地址:深圳市福田区振华路122号海外装饰大厦1606室

厂家

###

封装

原厂封装

描述

OPTOISO 5KV 1CH GATE DRIVER 6SO

数量

500000

原厂标准

无铅/符合限制有害物质指令(RoHS)规范要求