LMH6609
www.ti.com
SNOSA84F –AUGUST 2003–REVISED MARCH 2013
LMH6609 900MHz Voltage Feedback Op Amp
Check for Samples: LMH6609
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FEATURES
DESCRIPTION
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900MHz −3dB bandwidth (AV = 1)
The LMH6609 is an ultra wideband, unity gain stable,
low power, voltage feedback op amp that offers
900MHz bandwidth at a gain of 1, 1400V/μs slew rate
and 90mA of linear output current.
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Large signal bandwidth and slew rate 100%
tested
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280MHz −3dB bandwidth (AV = +2, VOUT = 2VPP
90mA linear output current
1400V/μs slew rate
)
The LMH6609 is designed with voltage feedback
architecture for maximum flexibility especially for
active filters and integrators. The LMH6609 has
balanced, symmetrical inputs with well-matched bias
currents and minimal offset voltage.
Unity gain stable
<1mV input Offset voltage
7mA Supply current (no load)
6.6V to 12V supply voltage range
0.01%/0.026° differential gain/phase PAL
3.1nV√Hz voltage noise
With Differential Gain of 0.01% and Differential Phase
of 0.026° the LMH6609 is suited for video
applications. The 90mA of linear output current
makes the LMH6609 suitable for multiple video loads
and cable driving applications as well.
Improved replacement for CLC440, CL420,
CL426
The supply voltage is specified at 6.6V and 10V. A
low supply current of 7mA (at 10V supply) makes the
LMH6609 useful in a wide variety of platforms,
including portable or remote equipment that must run
from battery power.
APPLICATIONS
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Test equipment
IF/RF amplifier
The LMH6609 is available in the industry standard 8-
pin SOIC package and in the space-saving 5-pin
SOT-23 package. The LMH6609 is specified for
operation over the -40°C to +85°C temperature
range. The LMH6609 is manufactured in state-of-the-
art VIP10™ technology for high performance.
A/D Input driver
Active filter
Integrator
DAC output buffer
TI's Transimpedance amplifier
Typical Application
C
2
m R
R
RF
V
IN
m
1
+
-
w
=
o
K =1+
RG
Q=
1+m2 2- K
mRC
(
)
V
C
O
Q, K ARE UNITLESS.
O IS RELATED TO BANDWIDTH AND IS IN UNITS OF
w
RADIANS/SEC. DIVIDE wO BY 2p TO GET IT IN Hz.
REFER TO OA-26 FOR MORE INFORMATION.
R
F
R
G
Figure 1. Sallen Key Low Pass Filter with Equal C Value
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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.
VIP10 is a trademark of Texas Instruments.
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All other trademarks are the property of their respective owners.
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 © 2003–2013, Texas Instruments Incorporated
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