LMH6704MF ,650 MHz Progammable Gain Buffer with DisableElectrical Characteristics (Note 2)T = +25˚C , A = +2, V = ±5V, R = 100Ω; unless specified.A V S LS ..
LMH6704MFX ,650 MHz Progammable Gain Buffer with DisableElectrical Characteristics (Note 2) (Continued)±T = +25˚C , A = +2, V = 5V, R = 100Ω; unless specif ..
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LMH6714MF ,Single Wideband Video Op AmpFeatures- 400MHz (Av = +2V/V, Vout = 500mVpp) -3dB Bw - 250MHz (Av = +2V/V, Vout = 2Vpp) -3dB Bw - ..
LMH6714MFX ,Single Wideband Video Op AmpFEATURES SECTIONoProcessing Subgrp Description Temp ( C)MIL-STD-883, Method 5004 1 Static tests ..
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LMH6704MA-LMH6704MF-LMH6704MFX
650 MHz Progammable Gain Buffer with Disable
LMH6704
650 MHz Progammable Gain Buffer with Disable
General DescriptionThe LMH™6704isa very wideband, DC coupled progam-
mable gain buffer designed specificallyfor wide dynamic
range systems requiring exceptional signal fidelity. The
LMH6704 includeson chip feedback and gainset resistors,
simplifying PCB layout while providing user programmable
gainsof+1,+2 and−1 V/V. The LMH6704 providesa disable
pin, which places the amplifierina high output impedance,
low power mode. The Disablepin maybe allowedto float
high.
Witha 650 MHz Small Signal Bandwidth (AV= +1), full
power gain flatnessto 200 MHz, and excellent Differential
Gain and Phase, the LMH6704is optimizedfor video appli-
cations. High resolution video systems will benefit from the
LMH6704’s abilityto drive multiple video loadsat low levels differential gainor differential phase distortion.
The LMH6704is constructed with National’s proprietary high
speed complementary bipolar process using National’s
proven current feedback circuit architectures.Itis available 8-Pin SOIC and 6-Pin SOT23 packages.
Features Wideband operation
—AV= +1,VO=0.5 VPP 650 MHz
—AV= +2,VO=0.5 VPP 450 MHz
—AV= +2,VO =2VPP 400 MHz High output current ±90 mA Very low distortionnd/3rd harmonics(10 MHz,RL= 100Ω): −62/−78 Differential gain/Differential phase: 0.02%/0.02˚ Low noise 2.3nV/ High slew rate 3000 V/µs Supply current 11.5 mA
Applications HDTV, NTSC& PAL video systems Video switching and distribution ADC driver DAC buffer RGB driver High speed multiplexer
Connection Diagram
8-Pin SOIC 6-Pin SOT23Top View
Top View
Ordering Information
Package Part Number Package Marking Transport Media NSC Drawing
8-Pin SOIC LMH6704MA LMH6704MA 95 Units Rail M08ALMH6704MAX 2.5k Units Tape and Reel
6-Pin SOT23 LMH6704MF B07A 1k Units Tape and Reel MF06ALMH6704MFX 3k Units Tape and Reel
February 2005
LMH6704
MHz
Progammable
Gain
Buffer
with
Disable
