Moteur de recherche de fiches techniques de composants électroniques |
|
AD6679 Fiches technique(PDF) 1 Page - Analog Devices |
|
AD6679 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 81 page 135 MHz BW IF Diversity Receiver Data Sheet AD6679 Rev. B Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2015–2016 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Parallel LVDS (DDR) outputs In-band SFDR = 82 dBFS at 340 MHz (500 MSPS) In-band SNR = 67.8 dBFS at 340 MHz (500 MSPS) 1.1W total power per channel at 500 MSPS (default settings) Noise density = −153 dBFS/Hz at 500 MSPS 1.25 V, 2.50 V, and 3.3 V dc supply operation Flexible input range 1.46 V p-p to 2.06 V p-p (2.06 V p-p nominal) 95 dB channel isolation/crosstalk Amplitude detect bits for efficient automatic gain control (AGC) implementation Noise shaping requantizer (NSR) option for main receiver function Variable dynamic range (VDR) option for digital predistortion (DPD) function 2 integrated wideband digital processors per channel 12-bit numerically controlled oscillator (NCO), up to 4 cascaded half-band filters Differential clock inputs Integer clock divide by 1, 2, 4, or 8 Energy saving power-down modes Small signal dither APPLICATIONS Diversity multiband, multimode digital receivers 3G/4G, TD-SCDMA, W-CDMA, GSM, LTE, LTE-A DOCSIS 3.0 CMTS upstream receive paths HFC digital reverse path receivers GENERAL DESCRIPTION The AD6679 is a 135 MHz bandwidth mixed-signal intermediate frequency (IF) receiver. It consists of two, 14-bit, 500 MSPS analog-to-digital converters (ADCs) and various digital signal processing blocks consisting of four wideband DDCs, an NSR, and VDR monitoring. It has an on-chip buffer and a sample-and- hold circuit designed for low power, small size, and ease of use. This product is designed to support communications applications capable of sampling wide bandwidth analog signals of up to 2 GHz. The AD6679 is optimized for wide input bandwidth, high sampling rates, excellent linearity, and low power in a small package. The dual ADC cores feature a multistage, differential pipelined architecture with integrated output error correction logic. Each ADC features wide bandwidth inputs supporting a variety of user-selectable input ranges. An integrated voltage reference eases design considerations. FUNCTIONAL BLOCK DIAGRAM VIN+A VIN–A CLK+ CLK– AVDD1 (1.25V) AVDD2 (2.50V) DRVDD (1.25V) SDIO SCLK CSB AGND AD6679 DVDD (1.25V) DRGND SYNC± CLOCK GENERATION AND ADJUST SPI CONTROL PDWN/STBY SPIVDD (1.22V TO 3.4V) FD_A FD_B FAST DETECT BUFFER V_1P0 SIGNAL MONITOR LVDS OUTPUTS LVDS OUTPUT STAGING DATA ROUTER MUX VIN+B VIN–B SIGNAL MONITOR FAST DETECT BUFFER DGND AVDD3 (3.3V) SIGNAL PROCESSING D0± 16 D1± D2± D3± D4± D5± D6± D7± D8± D9± D10± D11± D12± D13± DCO± STATUS± ADC ADC ÷2 ÷4 ÷8 DIGITAL DOWN- CONVERSION (×4) NOISE SHAPING REQUANTIZER (×2) VARIABLE DYNAMIC RANGE (×2) Figure 1. |
Numéro de pièce similaire - AD6679 |
|
Description similaire - AD6679 |
|
|
Lien URL |
Politique de confidentialité |
ALLDATASHEET.FR |
ALLDATASHEET vous a-t-il été utile ? [ DONATE ] |
À propos de Alldatasheet | Publicité | Contactez-nous | Politique de confidentialité | Echange de liens | Fabricants All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |