AD8146

Data Sheet FEATURES Triple high speed fully differential driver 700 MHz, −3 dB, 2 V p-p bandwidth (AD8146/AD8148) 600 MHz, −3 dB, 2 V p-p bandwidth (AD8147) 200 MHz, 0.1 dB, 2 V p-p bandwidth 3000 V/μs slew rate Fixed gain (AD8146/AD8147: G = 2, AD8148: G = 4) Differential or single-ended input to differential output Can be used as differential-to-differential receiver Drives one or two 100 Ω UTP cables Adjustable output common-mode voltage (AD8146) Internal common-mode feedback network Output balance error −50 dB @ 50 MHz On-chip, sync-on common-mode encoding (AD8147/AD8148) Output pull-down feature for line isolation Low power: 57 mA @ 5 V for 3 drivers (AD8146) Wide supply voltage range: +5 V to ±5 V Available in a small 4 mm × 4 mm LFCSP APPLICATIONS QXGA or 1080p video transmission KVM networking Video over unshielded twisted pair (UTP) Differential signal multiplexing Triple Differential Driver for Wideband Video AD8146/AD8147/AD8148 FUNCTIONAL BLOCK DIAGRAMS VS+ –IN B +IN B VS– VOCMA VOCMB OPD 1 VS– 2 –IN A 3 +IN A 4 VS– 5 –OUT A 6 24 23 22 21 20 19 A 78 AD8146 18 VOCMC 17 VS+ 16 –IN C 15 +IN C B C 14 VS– 13 –OUT C 9 10 11 12 09327-001 +OUT A VS+ +OUT B –OUT B VS+ +OUT C Figure 1. VS+ –IN G +IN G VS– (SYNC) VSYNC HSYNC OPD 1 VS– 2 –IN R 3 +IN R 4 VS– 5 –OUT R 6 24 23 22 21 20 19 AD8147/ AD8148 ×2 B AC 7 8 9 10 11 12 18 SYNC LEVEL 17 VS+ (SYNC) 16 –IN B 15 +IN B 14 VS– 13 –OUT B +OUT R VS+ +OUT G –OUT G VS+ +OUT B 09327-002 GENERAL DESCRIPTION The AD8146/...