LMV861 Single/ LMV862 Dual 30 MHz Low Power CMOS, EMI Hardened Operational Amplifiers
February 22, 2008
LMV861/LMV862
30 MHz Low Power CMOS, EMI Hardened Operational
Amplifiers
General Description
National鈥檚 LMV861 and LMV862 are CMOS input, low power
op amp IC's, providing a low input bias current, a wide tem-
perature range of 鈭?0擄C to +125擄C and exceptional perfor-
mance making them robust general purpose parts. Addition-
ally, the LMV861 and LMV862 are EMI hardened to minimize
any interference so they are ideal for EMI sensitive applica-
tions.
The unity gain stable LMV861 and LMV862 feature 30 MHz
of bandwidth while consuming only 2.25 mA of current per
channel. These parts also maintain stability for capacitive
loads as large as 200 pF. The LMV861 and LMV862 provide
superior performance and economy in terms of power and
space usage.
This family of parts has a maximum input offset voltage of
1 mV, a rail-to-rail output stage and an input common-mode
voltage range that includes ground. Over an operating range
from 2.7V to 5.5V the LMV861 and LMV862 provide a PSRR
of 93 dB, and a CMRR of 93 dB. The LMV861 is offered in the
space saving 5-Pin SC70 package, and the LMV862 in the
8-Pin MSOP.
Features
Unless otherwise noted, typical values at T
A
= 25擄C,
V
+
= 3.3V
2.7V to 5.5V
鈻?/div>
Supply voltage
2.25 mA
鈻?/div>
Supply current (per channel)
1 mV max
鈻?/div>
Input offset voltage
0.1 pA
鈻?/div>
Input bias current
GBW
30 MHz
鈻?/div>
105 dB
鈻?/div>
EMIRR at 1.8 GHz
8 nV/
鈭?/div>
Hz
鈻?/div>
Input noise voltage at 1 kHz
18 V/碌s
鈻?/div>
Slew rate
Rail-to-Rail
鈻?/div>
Output voltage swing
67 mA
鈻?/div>
Output current drive
Operating ambient temperature range 鈭?0擄C to 125擄C
鈻?/div>
Applications
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
Photodiode preamp
Weight scale systems
Filters/buffers
Medical diagnosis equipment
Typical Application
EMI Hardened Sensor Application
30024001
漏 2008 National Semiconductor Corporation
300240
www.national.com
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