LM6172
Dual High Speed, Low Power, Low Distortion, Voltage
Feedback Amplifiers
General Description
The LM6172 is a dual high speed voltage feedback amplifier.
It is unity-gain stable and provides excellent DC and AC per-
formance. With 100 MHz unity-gain bandwidth, 3000V/µs
slew rate and 50 mA of output current per channel, the
LM6172 offers high performance in dual amplifiers; yet it
only consumes 2.3 mA of supply current each channel.
The LM6172 operates on ±15V power supply for systems
requiring large voltage swings, such as ADSL, scanners and
ultrasound equipment. It is also specified at ±5V power sup-
ply for low voltage applications such as portable video sys-
tems.
The LM6172 is built with National’s advanced VIP™ III (Ver-
tically Integrated PNP) complementary bipolar process. See
the LM6171 datasheet for a single amplifier with these same
features.
Features
(Typical Unless Otherwise Noted)
n Easy to Use Voltage Feedback Topology
n High Slew Rate 3000V/µs
n Wide Unity-Gain Bandwidth 100 MHz
n Low Supply Current 2.3 mA/Channel
n High Output Current 50 mA/channel
n Specified for ±15V and ±5V Operation
Applications
n Scanner I-to-V Converters
n ADSL/HDSL Drivers
n Multimedia Broadcast Systems
n Video Amplifiers
n NTSC, PAL
®
and SECAM Systems
n ADC/DAC Buffers
n Pulse Amplifiers and Peak Detectors
LM6172 Driving Capacitive Load
Connection Diagram
VIP™ is a trademark of National Semiconductor Corporation.
PAL
®
is a registered trademark of and used under license from Advanced Micro Devices, Inc.
DS012581-50
DS012581-44
8-Pin DIP/SO
DS012581-1
Top View
May 1999
LM6172
Dual
High
Speed,
Low
Power
,
Low
Distortion,
V
oltage
Feedback
Amplifiers
© 1999 National Semiconductor Corporation DS012581 www.national.com