Wideband, Differential, High Output Current Line Driver with Shutdown Data Sheet ADA4312-1 FEATURES FUNCTIONAL BLOCK DIAGRAM High speed 3 dB bandwidth: 195 MHz, G = +16 V/V, R = 40 DIFF L, DIFF Differential slew rate: 2100 V/s Wide output swing: 18.0 V p-p differential, 12 V supply NC 1 12 NC High output current: 225 mA peak IN A 2 11 IN B G.hn MTPR at 16 dBm line power +IN A 3 10 +IN B ADA4312-1 64 dBc typical at 5 MHz, referred to 58 dBm/Hz GND 4 9 SD 64 dBc typical at 17 MHz, referred to 58 dBm/Hz 64 dBc typical at 28 MHz, referred to 58 dBm/Hz 63 dBc typical at 31 MHz, referred to 58 dBm/Hz 61 dBc typical at 59 MHz, referred to 58 dBm/Hz NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. 62 dBc typical at 82 MHz, referred to 58 dBm/Hz Figure 1. Thermally Enhanced, 4 mm 4 mm, 16-Lead LFCSP Shutdown CMOS-compatible SD pin Shutdown quiescent current: 3 mA TYPICAL APPLICATION CIRCUIT Z in shutdown: 10 k differential (open-loop) OUT Resistor adjustable quiescent current 1/2 ADA4312-1 APPLICATIONS ITU G.hn (ITU G.9960/G.9961) V * MID HomePlug AV HomePlug AV2 IEEE 1901 1/2 GENERAL DESCRIPTION ADA4312-1 V CC V = MID The ADA4312-1 is a high speed, differential, current feedback line 2 driver designed for half-duplex G.hn power line communication Figure 2. Typical PLC Driver Application (PLC) modems. The high output current, high bandwidth, and slew rate of 2100 V/s make the ADA4312-1 an excellent choice for G.hn broadband applications that require high linearity while driving low impedance loads. The CMOS-compatible shutdown control pin (SD) reduces the quiescent current to 3 mA while maintaining an output impedance of 10 k differential. The ADA4312-1 also provides resistor adjustable quiescent current for improved efficiency in transmit mode. The ADA4312-1 is available in a thermally enhanced, 16-lead LFCSP with an exposed pad to facilitate robust thermal management. The ADA4312-1 is rated to operate over the extended industrial temperature range of 40C to +85C. Rev. A Document Feedback 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 Tel: 781.329.4700 20122017 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com I OUT A ADJ NC NC V V EE CC NC OUT B 11044-001 11044-002 5 16 6 15 7 14 8 13ADA4312-1 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Test Circuit .........................................................................................8 Applications ....................................................................................... 1 Applications Information .................................................................9 General Description ......................................................................... 1 Feedback Resistor Selection .........................................................9 Functional Block Diagram .............................................................. 1 General Operation ........................................................................9 Typical Application Circuit ............................................................. 1 Half-Duplex Operation ................................................................9 Revision History ............................................................................... 2 Establishing V ...........................................................................9 MID Specifications ..................................................................................... 3 Bias Control and Linearity ...........................................................9 Absolute Maximum Ratings ............................................................ 4 PCB Layout ................................................................................. 10 Thermal Resistance ...................................................................... 4 Thermal Management ............................................................... 10 Maximum Power Dissipation ..................................................... 4 Power Supply Bypassing ............................................................ 10 ESD Caution .................................................................................. 4 Evaluation Board ........................................................................ 11 Pin Configuration and Function Descriptions ............................. 5 Outline Dimensions ....................................................................... 12 Typical Performance Characteristics ............................................. 6 Ordering Guide .......................................................................... 12 REVISION HISTORY 4/2017Rev. 0 to Rev. A Changed LFCSP WQ to LFCSP .................................. Throughout Updated Outline Dimensions ....................................................... 12 Changes to Ordering Guide .......................................................... 12 10/2012Revision 0: Initial Version Rev. A Page 2 of 12