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LMH6639MAX Datasheet

  • LMH6639MAX

  • 190MHz Rail-to-Rail Output Amplifier with Disable

  • 17頁(yè)

  • NSC

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LMH6639 190MHz Rail-to-Rail Output Amplifier with Disable
July 2003
LMH6639
190MHz Rail-to-Rail Output Amplifier with Disable
General Description
The LMH6639 is a voltage feedback operational amplifier
with a rail-to-rail output drive capability of 110mA. Employing
National鈥檚 patented VIP10 process, the LMH6639 delivers a
bandwidth of 190MHz at a current consumption of only
3.6mA. An input common mode voltage range extending to
0.2V below the V
鈭?/div>
and to within 1V of V
+
, makes the
LMH6639 a true single supply op-amp. The output voltage
range extends to within 30mV of either supply rail providing
the user with a dynamic range that is especially desirable in
low voltage applications.
The LMH6639 offers a slew rate of 172V/碌s resulting in a full
power bandwidth of approximately 28MHz. The T
ON
value of
83nsec combined with a settling time of 33nsec makes this
device ideally suited for multiplexing applications. Careful
attention has been paid to ensure device stability under all
operating voltages and modes. The result is a very well
behaved frequency response characteristic for any gain set-
ting including +1, and excellent specifications for driving
video cables including harmonic distortion of 鈭?0dBc, differ-
ential gain of 0.12% and differential phase of 0.045藲
Features
(V
S
= 5V, Typical values unless specified)
n
Supply current (no load)
3.6mA
n
Supply current (off mode)
400碌A(chǔ)
n
Output resistance (closed loop 1MHz)
0.186鈩?/div>
n
鈭?dB BW (A
V
= 1)
190MHz
n
Settling time
33nsec
n
Input common mode voltage
鈭?.2V to 4V
n
Output voltage swing
40mV from rails
n
Linear output current
110mA
n
Total harmonic distortion
鈭?0dBc
n
Fully characterized for 3V, 5V and
鹵
5V
n
No output phase reversal with CMVR exceeded
n
Excellent overdrive recovery
n
Off Isolation 1MHz
鈭?0dB
n
Differential Gain
0.12%
n
Differential Phase
0.045藲
Applications
n
n
n
n
n
Active filters
CD/DVD ROM
ADC buffer amplifier
Portable video
Current sense buffer
20030246
FIGURE 1. Typical Single Supply Schematic
漏 2003 National Semiconductor Corporation
DS200302
www.national.com

LMH6639MAX 產(chǎn)品屬性

  • National Semiconductor (TI)

  • 1

  • 72 dB

  • 5 mV at 5 V

  • 5 V, 9 V

  • SMD/SMT

  • SOIC-8 Narrow

  • 172 V/us at 5 V

  • Yes

  • + 85 C

  • Reel

  • - 40 C

  • 5.8 mA at 5 V

  • 12 V

  • 3 V

  • 100 dB

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