1 Features
1(VS = ±5 V, TA = 25°C, RL = 2 kΩ, AV = +1.
Typical Values Unless Specified).
• –3 dB BW (AV = +1) 130 MHz
• Supply Voltage Range 2.7 V to 12.8 V
• Slew Rate, (AV = –1) 130 V/μs(1)
• Supply Current (no load) 2.7 mA/amp
• Output Short Circuit Current +115 mA to 145 mA
• Linear Output Current ±75 mA
• Input Common Mode Voltage 0.5 V Beyond V–, 1
V from V+
• Output Voltage Swing 40 mV from Rails
• Input Voltage Noise (100 kHz) 17 nV/√Hz
• Input Current Noise (100 kHz) 0.9 pA/√Hz
• THD (5 MHz, RL = 2 kΩ, VO = 2 VPP, AV = +2) –62
dBc
• Settling Time 68 ns
• Fully Characterized for 3 V, 5 V, and ±5 V
• Overdrive Recovery 100 ns
• Output Short Circuit Protected(2)
• No Output Phase Reversal with CMVR Exceeded
(1) Slew rate is the average of the rising and falling slew rates.
(2) Output short circuit duration is infinite for VS < 6 V at room
temperature and below. For VS > 6 V, allowable short circuit
duration is 1.5 ms.

2 Applications
• Active Filters
• CD/DVD ROM
• ADC Buffer Amp
• Portable Video
• Current Sense Buffer

3 Description
The LMH6644-MIL true single supply voltage
feedback amplifier offers high speed (130 MHz), low
distortion (–62 dBc), and exceptionally high-output
current (approximately 75 mA) at low cost and with
reduced power consumption when compared against
existing devices with similar performance.
Input common mode voltage range extends to 0.5 V
below V– and 1 V from V+. Output voltage range
extends to within 40 mV of either supply rail, allowing
wide dynamic range especially desirable in lowvoltage
applications. The output stage is capable of
approximately 75 mA in order to drive heavy loads.
Fast output slew rate (130 V/μs) ensures large peakto-
peak output swings can be maintained even at
higher speeds, resulting in exceptional full power
bandwidth of 40 MHz with a 3-V supply. These
characteristics, along with low cost, are ideal features
for a multitude of industrial and commercial
applications.