LMV831 Single/ LMV832 Dual/ LMV834 Quad 3.3 MHz Low Power CMOS, EMI Hardened
Operational Amplifiers
PRELIMINARY
August 5, 2008
LMV831/LMV832/LMV834
3 MHz Low Power CMOS, EMI Hardened Operational
Amplifiers
General Description
National鈥檚 LMV831, LMV832, and LMV834 are CMOS input,
low power op amp IC's, providing a low input bias current, a
wide temperature range of 鈭?0擄C to 125擄C and exceptional
performance making them robust general purpose parts. Ad-
ditionally, the LMV831/LMV832/LMV834 are EMI hardened
to minimize any interference so they are ideal for EMI sensi-
tive applications.
The unity gain stable LMV831/LMV832/LMV834 feature
3.3 MHz of bandwidth while consuming only 0.24 mA of cur-
rent per channel. These parts also maintain stability for ca-
pacitive loads as large as 200 pF. The LMV831/LMV832/
LMV834 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 LMV831/LMV832/LMV834 provide a
PSRR of 93 dB, and a CMRR of 91 dB. The LMV831 is offered
in the space saving 5-Pin SC70 package, the LMV832 in the
8-Pin MSOP and the LMV834 is offered in the 14-Pin TSSOP
package.
Features
Unless otherwise noted, typical values at T
A
= 25擄C,
V
+
= 3.3V
2.7V to 5.5V
鈻?/div>
Supply voltage
240 碌A(chǔ)
鈻?/div>
Supply current (per channel)
1 mV max
鈻?/div>
Input offset voltage
0.1 pA
鈻?/div>
Input bias current
GBW
3.3 MHz
鈻?/div>
120 dB
鈻?/div>
EMIRR at 1.8 GHz
12 nV/
鈭?/div>
Hz
鈻?/div>
Input noise voltage at 1 kHz
2 V/碌s
鈻?/div>
Slew rate
Rail-to-Rail
鈻?/div>
Output voltage swing
30 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>
鈻?/div>
Photodiode preamp
Piezoelectric sensors
Portable/battery-powered electronic equipment
Filters/buffers
PDAs/phone accessories
Typical Application
EMI Hardened Sensor Application
30024101
漏 2008 National Semiconductor Corporation
300241
www.national.com
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