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AD815-EB Fiches technique(PDF) 1 Page - Analog Devices |
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AD815-EB Fiches technique(HTML) 1 Page - Analog Devices |
1 / 16 page FUNCTIONAL BLOCK DIAGRAM 15-Lead Through-Hole SIP (Y) and Surface-Mount DDPAK(VR) NC NC NC +IN1 –IN1 OUT1 –VS +VS OUT2 –IN2 +IN2 NC NC NC NC 1 2 3 4 5 6 7 8 9 15 11 12 13 14 10 AD815 TAB IS +VS NC = NO CONNECT REFER TO PAGE 3 FOR 24-LEAD SOIC PACKAGE REV. B 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. a High Output Current Differential Driver AD815 PRODUCT DESCRIPTION The AD815 consists of two high speed amplifiers capable of supplying a minimum of 500 mA. They are typically configured as a differential driver enabling an output signal of 40 V p-p on ±15 V supplies. This can be increased further with the use of a FEATURES Flexible Configuration Differential Input and Output Driver or Two Single-Ended Drivers High Output Power Power Package 26 dBm Differential Line Drive for ADSL Application 40 V p-p Differential Output Voltage, RL = 50 500 mA Minimum Output Drive/Amp, RL = 5 Thermally Enhanced SOIC 400 mA Minimum Output Drive/Amp, RL = 10 Low Distortion –66 dB @ 1 MHz THD, RL = 200 , VOUT = 40 V p-p 0.05% and 0.45 Differential Gain and Phase, RL = 25 (6 Back-Terminated Video Loads) High Speed 120 MHz Bandwidth (–3 dB) 900 V/ s Differential Slew Rate 70 ns Settling Time to 0.1% Thermal Shutdown APPLICATIONS ADSL, HDSL and VDSL Line Interface Driver Coil or Transformer Driver CRT Convergence and Astigmatism Adjustment Video Distribution Amp Twisted Pair Cable Driver FREQUENCY – Hz –40 –50 –110 100 10M 1k 10k 100k 1M –60 –70 –80 –90 –100 VS = 15V G = +10 VOUT = 40V p-p RL = 50 (DIFFERENTIAL) RL = 200 (DIFFERENTIAL) Total Harmonic Distortion vs. Frequency AMP1 +15V –15V RL 120 110 499 VOUT = 40Vp-p VIN = 4Vp-p 1/2 AD815 1/2 AD815 G = +10 100 100 AMP2 VD = 40Vp-p 1:2 TRANSFORMER R1 = 15 R2 = 15 499 Subscriber Line Differential Driver coupling transformer with a greater than 1:1 turns ratio. The low harmonic distortion of –66 dB @ 1 MHz into 200 Ω combined with the wide bandwidth and high current drive make the differential driver ideal for communication applications such as subscriber line interfaces for ADSL, HDSL and VDSL. The AD815 differential slew rate of 900 V/ µs and high load drive are suitable for fast dynamic control of coils or transformers, and the video performance of 0.05% and 0.45 ° differential gain and phase into a load of 25 Ω enable up to 12 back-terminated loads to be driven. Three package styles are available, and all work over the industrial temperature range (–40 °C to +85°C). Maximum output power is achieved with the power package available for through-hole mounting (Y) and surface-mounting (VR). The 24-lead SOIC (RB) is capable of driving 26 dBm for full rate ADSL with proper heat sinking. 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., 1999 |
Numéro de pièce similaire - AD815-EB |
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Description similaire - AD815-EB |
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