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AD8016ARB-EVAL bảng dữ liệu(PDF) 1 Page - Analog Devices |
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AD8016ARB-EVAL bảng dữ liệu(HTML) 1 Page - Analog Devices |
1 / 20 page REV. A a AD8016 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 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. Low Power, High Output Current xDSL Line Driver PIN CONFIGURATION FEATURES xDSL Line Driver that Features Full ADSL CO (Central Office) Performance on 12 V Supplies Low Power Operation 5 V to 12 V Voltage Supply 12.5 mA/Amp (Typ) Total Supply Current Power-Reduced Keep-Alive Current of 4.5 mA/Amp High Output Voltage and Current Drive IOUT = 600 mA 40 V p-p Differential Output Voltage RL = 50 , VS = 12 V Low Single Tone Distortion –75 dBc @ 1 MHz SFDR, RL = 100 , VO = 2 V p-p MTPR = –75 dBc, 26 kHz to 1.1 MHz, ZLINE = 100 , PLINE = 20.4 dBm High Speed 78 MHz Bandwidth (–3 dB), G = +5 40 MHz Gain Flatness 1000 V/ s Slew Rates PRODUCT DESCRIPTION The AD8016 high output current dual amplifier is designed for the line drive interface in Digital Subscriber Line systems such as ADSL, HDSL2, and proprietary xDSL systems. The drivers are capable, in full-bias operation, of providing 24.4 dBm output power into low resistance loads, enough to power a 20.4 dBm line, including hybrid insertion loss. FREQUENCY – kHz 549.3 550.3 551.3 552.3 553.3 554.3 555.3 556.3 557.3 558.3 559.3 –75dBc Figure 1. Multitone Power Ratio; VS = ±12 V, 20.4 dBm Output Power into 100 Ω, Downstream 24-Lead Batwing (RB-24) 20-Lead PSOP3 (RP-20) 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 AD8016 NC = NO CONNECT VOUT1 +V1 +V2 VINN1 VINP1 NC NC NC PWDN0 DGND –V1 VOUT2 VINN2 VINP2 NC NC NC PWDN1 BIAS –V2 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 AD8016 NC = NO CONNECT +V1 +V2 VOUT1 VINN1 VINP1 AGND AGND AGND AGND PWDN0 DGND –V1 NC VOUT2 VINN2 VINP2 AGND AGND AGND PWDN1 BIAS –V2 NC AGND 28-Lead HTSSOP (RE-28) NC NC NC BIAS –V2 +V1 +V2 VOUT1 –VIN1 PWDN1 DGND –V1 VOUT2 +VIN2 PWDN0 NC = NO CONNECT NC NC NC –VIN2 +VIN1 NC NC NC NC NC NC NC NC 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 AD8016ARE The AD8016 is available in a low cost 24-lead SOIC, a ther- mally enhanced 20-lead PSOP, and a 28-lead HTSSOP with an exposed leadframe (ePAD). Operating from ±12 V supplies, the AD8016 requires only 1.5 W of total power dissipation (refer to the Power Dissipation section for details) while driving 20.4 dBm of power downstream using the xDSL hybrid in Figure 33a and Figure 33b. Two digital bits (PWDN0, PWDN1) allow the driver to be capable of full performance, an output “keep-alive state,” or two intermediate bias states. The “keep-alive” state biases the output transistors enough to provide a low imped- ance at the amplifier outputs for back termination. The low power dissipation, high output current, high output voltage swing, flexible power-down, and robust thermal packaging enable the AD8016 to be used as the Central Office (CO) terminal driver in ADSL, HDSL2, VDSL, and proprietary xDSL systems. |
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