LMV831MGE/NOPB National Semiconductor, LMV831MGE/NOPB Datasheet

IC OPAMP EMI LP CMOS SGL SC70-5

LMV831MGE/NOPB

Manufacturer Part Number
LMV831MGE/NOPB
Description
IC OPAMP EMI LP CMOS SGL SC70-5
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheet

Specifications of LMV831MGE/NOPB

Amplifier Type
General Purpose
Number Of Circuits
1
Slew Rate
2 V/µs
Gain Bandwidth Product
3.3MHz
Current - Input Bias
0.1pA
Voltage - Input Offset
250µV
Current - Supply
250µA
Current - Output / Channel
66mA
Voltage - Supply, Single/dual (±)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SC-70-5, SC-88A, SOT-323-5, SOT-353, 5-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output Type
-
-3db Bandwidth
-
Other names
LMV831MGETR
© 2008 National Semiconductor Corporation
LMV831 Single/ LMV832 Dual/ LMV834 Quad
3.3 MHz Low Power CMOS, EMI Hardened Operational
Amplifiers
General Description
National’s LMV831, LMV832, and LMV834 are CMOS input,
low power op amp IC's, providing a low input bias current, a
wide temperature range of −40°C to 125°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.
Typical Application
300241
EMI Hardened Sensor Application
Features
Unless otherwise noted, typical values at T
V
Applications
+
= 3.3V
Supply voltage
Supply current (per channel)
Input offset voltage
Input bias current
GBW
EMIRR at 1.8 GHz
Input noise voltage at 1 kHz
Slew rate
Output voltage swing
Output current drive
Operating ambient temperature range
Photodiode preamp
Piezoelectric sensors
Portable/battery-powered electronic equipment
Filters/buffers
PDAs/phone accessories
October 6, 2008
−40°C to 125°C
www.national.com
2.7V to 5.5V
30024101
Rail-to-Rail
12 nV/
1 mV max
A
= 25°C,
3.3 MHz
240 µA
120 dB
0.1 pA
30 mA
2 V/µs
Hz

Related parts for LMV831MGE/NOPB

LMV831MGE/NOPB Summary of contents

Page 1

... 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. Typical Application © 2008 National Semiconductor Corporation Features Unless otherwise noted, typical values 3.3V ■ ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2) Human Body Model Charge-Device Model Machine Model V Differential IN Supply Voltage ( – V − Voltage at Input/Output Pins 3.3V Electrical Characteristics Unless otherwise specified, all limits are guaranteed for at T Boldface limits apply at the temperature extremes ...

Page 3

Symbol Parameter V Output Voltage Swing High OUT Output Voltage Swing Low I Output Short Circuit Current OUT I Supply Current S SR Slew Rate (Note 7) GBW Gain Bandwidth Product Φ Phase Margin m e Input Referred Voltage Noise ...

Page 4

Symbol Parameter PSRR Power Supply Rejection Ratio (Note 9) EMIRR EMI Rejection Ratio, IN+ and IN- (Note 8) CMVR Input Common-Mode Voltage Range CMRR A Large Signal Voltage Gain VOL (Note 11) V Output Voltage Swing High OUT Output Voltage ...

Page 5

Symbol Parameter i Input Referred Current Noise n R Closed Loop Output Impedance OUT C Common-mode Input Capacitance IN Differential-mode Input Capacitance THD+N Total Harmonic Distortion + Noise Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the ...

Page 6

Typical Performance Characteristics specified vs. Supply Voltage www.national.com 25° 3.3V 30024110 30024112 OUT 30024114 kΩ ...

Page 7

Input Bias Current vs 85°C CM Supply Current vs. Supply Voltage Single LMV831 Supply Current vs. Supply Voltage Quad LMV834 Input Bias Current vs. V 30024116 Supply Current vs. Supply Voltage Dual LMV832 30024118 Supply Current vs. Temperature ...

Page 8

Supply Current vs. Temperature Dual LMV832 Sinking Current vs. Supply Voltage Output Swing High vs. Supply Voltage R www.national.com Supply Current vs. Temperature Quad LMV834 30024122 Sourcing Current vs. Supply Voltage 30024124 = 2 kΩ Output Swing High vs. Supply ...

Page 9

Output Swing Low vs. Supply Voltage R Output Voltage Swing vs. Load Current at V Open Loop Frequency Response vs. Temperature = 2 kΩ Output Swing Low vs. Supply Voltage R L 30024128 + = 3.3V Output Voltage Swing vs. ...

Page 10

Phase Margin vs. Capacitive Load CMRR vs. Frequency Large Signal Step Response with Gain = 1 www.national.com PSRR vs. Frequency 30024134 Channel Separation vs. Frequency 30024136 Large Signal Step Response with Gain = 10 30024138 10 30024135 30024137 30024139 ...

Page 11

Small Signal Step Response with Gain = 1 Slew Rate vs. Supply Voltage THD+N vs. Frequency Small Signal Step Response with Gain = 10 30024140 Input Voltage Noise vs. Frequency 30024142 THD+N vs. Amplitude 30024145 11 30024141 30024144 30024146 www.national.com ...

Page 12

R vs. Frequency OUT EMIRR IN+ vs. Power at 900 MHz EMIRR IN+ vs. Power at 2400 MHz www.national.com EMIRR IN+ vs. Power at 400 MHz 30024147 EMIRR IN+ vs. Power at 1800 MHz 30024149 EMIRR IN+ vs. Frequency 30024151 ...

Page 13

Application Information INTRODUCTION The LMV831, LMV832 and LMV834 are operational ampli- fiers with excellent specifications, such as low offset, low noise and a rail-to-rail output. These specifications make the LMV831, LMV832 and LMV834 great choices for medical and instrumentation applications ...

Page 14

OUTPUT CHARACTERISTICS As already mentioned the output is rail-to-rail. When loading the output with a 10 kΩ resistor the maximum swing of the output is typically 6 mV from the positive and negative rail. The output of the LMV831/LMV832/LMV834 can ...

Page 15

The circuit diagram is shown in Figure 5. The PCB trace from RF to the IN+ pin should be a 50Ω stripline in order to match IN the RF impedance of the cabling and the RF generator. On the PCB ...

Page 16

PRESSURE SENSOR APPLICATION The LMV831/LMV832/LMV834 can be used for pressure sen- sor applications. Because of their low power the LMV831/ LMV832/LMV834 are ideal for portable applications, such as blood pressure measurement devices, or portable barome- ters. This example describes a ...

Page 17

Physical Dimensions inches (millimeters) unless otherwise noted 5-Pin SC-70 NS Package Number MAA05A 8-Pin MSOP NS Package Number MUA08A 17 www.national.com ...

Page 18

TSSOP NS Package Number MTC14 18 ...

Page 19

Notes 19 www.national.com ...

Page 20

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock Conditioners www.national.com/timing Data Converters www.national.com/adc Displays www.national.com/displays Ethernet www.national.com/ethernet Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www ...

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