Datasheet ADA4311-1 (Analog Devices)

制造商Analog Devices
描述Low Cost, Dual, High Current Output Line Driver with Shutdown
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Low Cost, Dual, High Current Output. Line Driver with Shutdown. ADA4311-1. FEATURES. PIN CONFIGURATION. High speed

Datasheet ADA4311-1 Analog Devices

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Low Cost, Dual, High Current Output Line Driver with Shutdown ADA4311-1 FEATURES PIN CONFIGURATION High speed ADA4311-1 −3 dB bandwidth: 310 MHz, G = +5, R +V 10 OUT B LOAD = 50 Ω S 1 Slew rate: 1050 V/μs, R NC 2 9 –IN B LOAD = 50 Ω OUT A 3 8 +IN B Wide output swing –IN A 4 7 PD1 20.6 V p-p differential, RLOAD of 100 Ω from 12 V supply +IN A 5 6 PD0
1 00
High output current
0-
NC = NO CONNECT
94
Low distortion
06 Figure 1. Thermally Enhanced, 10-Lead MINI_SO_EP
−98 dBc typical at 1 MHz, VOUT = 2 V p-p, G = +5, RLOAD = 100 Ω −72 dBc typical at 10 MHz, V TYPICAL APPLICATION OUT = 2 V p-p, G = +5, RLOAD = 100 Ω Power management and shutdown Control inputs CMOS level compatible 1/2 Shutdown quiescent current: 1 mA/amplifier ADA4311-1 Selectable quiescent current: 1 mA to 11.8 mA/amplifier VMID* APPLICATIONS 1/2 Home networking line drivers ADA4311-1 Twisted pair line drivers
2
V CC GND
-00
Power line communications (PLC) *V = MID
40
2
069
Video line drivers
Figure 2. Typical PLC Driver Application
ARB line drivers I/Q channel amplifiers GENERAL DESCRIPTION
The ADA4311-1 is comprised of two high speed, current The ADA4311-1 is available in a thermally enhanced, 10-lead feedback operational amplifiers. The high output current, high MSOP with an exposed paddle for improved thermal conduction. bandwidth, and fast slew rate make it an excellent choice for The ADA4311-1 is rated to work in the extended industrial broadband applications requiring high linearity performance temperature range of −40°C to +85°C. while driving low impedance loads. The ADA4311-1 incorporates a power management function that provides shutdown capabilities and the ability to optimize the quiescent current of the amplifiers. The CMOS-compatible, power-down control pins (PD1 and PD0) enable the ADA4311-1 to operate in four different modes: full power, medium power, low power, and complete power-down. In power-down mode, the quiescent current drops to only 1.0 mA/amplifier, while the outputs go to a high impedance state.
Rev. 0 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 www.analog.com Trademarks and registered trademarks are the property of their respective owners. Fax: 781.461.3113 ©2007 Analog Devices, Inc. All rights reserved.
Document Outline FEATURES APPLICATIONS PIN CONFIGURATION TYPICAL APPLICATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATION INFORMATION FEEDBACK RESISTOR SELECTION POWER CONTROL MODES OF OPERATION EXPOSED THERMAL PAD CONNECTIONS POWERLINE APPLICATION BOARD LAYOUT POWER SUPPLY BYPASSING OUTLINE DIMENSIONS ORDERING GUIDE