LMH6550_14 Datasheet, PDF (1/25 Pages) National Semiconductor (TI) – LMH6550 Differential, High Speed Op Amp

LMH6550
www.ti.com
SNOSAK0H – DECEMBER 2004 – REVISED MARCH 2013
LMH6550 Differential, High Speed Op Amp
Check for Samples: LMH6550
FEATURES
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•23 400 MHz −3 dB Bandwidth (V_OUT = 0.5 V_PP)
• 90 MHz 0.1 dB Bandwidth
• 3000 V/µs Slew Rate
• 8 ns Settling Time to 0.1%
• −92/−103 dB HD2/HD3 @ 5 MHz
• 10 ns Shutdown/Enable
APPLICATIONS
• Differential AD Driver
• Video Over Twisted Pair
• Differential Line Driver
• Single End to Differential Converter
• High Speed Differential Signaling
• IF/RF Amplifier
• SAW Filter Buffer/Driver
DESCRIPTION
The LMH™6550 is a high performance voltage
feedback differential amplifier. The LMH6550 has the
high speed and low distortion necessary for driving
high performance ADCs as well as the current
handling capability to drive signals over balanced
transmission lines like CAT 5 data cables. The
LMH6550 can handle a wide range of video and data
formats.
With external gain set resistors, the LMH6550 can be
used at any desired gain. Gain flexibility coupled with
high speed makes the LMH6550 suitable for use as
an IF amplifier in high performance communications
equipment.
The LMH6550 is available in the space saving SOIC
and VSSOP packages.
Typical Application
A_V, R_IN
R_{S VI}
R_G
V_S
a ^RT
V_CM
R_M ^RG
R_F
V⁺
+
-
V^-
R_F
R_O
-
V_O
+
R_O
IN-
ADC
IN+
For R_M R_G :
DesignTarget :
A_v
V_{O #} R_F
V_I R_G
R_IN
#
2R_G(1 A_v )
2 A_v
1) Set R_T
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R_S R_IN
2) Set R_M R_T || R_S
Figure 1. Single Ended to Differential ADC Driver
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
LMH is a trademark of Texas Instruments.
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All other trademarks are the property of their respective owners.
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2004–2013, Texas Instruments Incorporated