LMP7712 Datasheet, PDF (1/18 Pages) National Semiconductor (TI) – Single and Dual Precision, 17 MHz, Low Noise, CMOS Input Amplifiers

November 2005
LMP7711/LMP7712
Single and Dual Precision, 17 MHz, Low Noise, CMOS
Input Amplifiers
General Description
The LMP7711/LMP7712 are single and dual low noise, low
offset, CMOS input, rail-to-rail output precision amplifiers
with a high gain bandwidth product and an enable pin. The
LMP7711/LMP7712 are part of the LMP™ precision amplifier
family and are ideal for a variety of instrumentation applica-
tions.
Utilizing a CMOS input stage, the LMP7711/LMP7712
achieve an input bias current of 100 fA, an input referred
voltage noise of 5.8 nV/
, and an input offset voltage of
less than ±150 µV. These features make the LMP7711/
LMP7712 superior choices for precision applications.
Consuming only 1.15 mA of supply current, the LMP7711
offers a high gain bandwidth product of 17 MHz, enabling
accurate amplification at high closed loop gains.
The LMP7711/LMP7712 have a supply voltage range of
1.8V to 5.5V, which makes these ideal choices for portable
low power applications with low supply voltage require-
ments. In order to reduce the already low power consump-
tion the LMP7711/LMP7712 have an enable function. Once
in shutdown, the LMP7711/LMP7712 draw only 140 nA of
supply current.
The LMP7711/LMP7712 are built with National’s advanced
VIP50 process technology. The LMP7711 is offered in a
6-pin TSOT23 package and the LMP7712 is offered in a
10-pin MSOP.
Features
Unless otherwise noted, typical values at V_S = 5V.
n Input offset voltage
±150 µV (max)
n Input bias current
100 fA
n Input voltage noise
5.8 nV/
n Gain bandwidth product
17 MHz
n Supply current (LMP7711)
1.15 mA
n Supply current (LMP7712)
1.30 mA
n Supply voltage range
1.8V to 5.5V
n THD+N @ f = 1 kHz
0.001%
n Operating temperature range
−40^oC to 125˚C
n Rail-to-rail output swing
n Space saving TSOT23 package (LMP7711)
n MSOP-10 package (LMP7712)
Applications
n Active filters and buffers
n Sensor interface applications
n Transimpedance amplifiers
Typical Performance
Offset Voltage Distribution
Input Referred Voltage Noise
20150322
LMP™ is a trademark of National Semiconductor Corporation.
© 2005 National Semiconductor Corporation DS201503
20150339
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