LMV712MM National Semiconductor, LMV712MM Datasheet

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LMV712MM

Manufacturer Part Number
LMV712MM
Description
IC, OP-AMP, 5MHZ, 5V/µs, MSOP-10
Manufacturer
National Semiconductor
Datasheet

Specifications of LMV712MM

Op Amp Type
Low Power
No. Of Amplifiers
1
Bandwidth
5MHz
Slew Rate
5V/µs
Supply Voltage Range
2.7V To 5.5V
Amplifier Case Style
MSOP
No. Of Pins
10
Operating Temperature Range
-40°C To +85°C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 2010 National Semiconductor Corporation
Low Power, Low Noise, High Output, RRIO Dual
Operational Amplifier with Independent Shutdown
General Description
The LMV712 duals are high performance BiCMOS opera-
tional amplifiers intended for applications requiring Rail-to-
Rail inputs combined with speed and low noise. They offer a
bandwidth of 5MHz and a slew rate of 5 V/µs and can handle
capacitive loads of up to 200pF without oscillation.
The LMV712 is guaranteed to operate from 2.7V to 5.5V and
offers two independent shutdown pins. This feature allows
disabling of each device separately and reduces the supply
current to less than 1µA typical. The output voltage rapidly
ramps up smoothly with no glitch as the amplifier comes out
of the shutdown mode.
The LMV712 with the shutdown feature is offered in space
saving 10-Bump micro SMD and 10-Pin Leadless Leadframe
Package (LLP) packages. It is also offered in 10-Pin MSOP
package. These packages are designed to meet the demands
of small size, low power, and low cost required by cellular
phones and similar battery operated portable electronics.
Typical Application Circuit
101370
P.A. Control Loop
LMV712
Features
(Typical Unless Otherwise Noted)
Applications
5MHz GBP
Slew rate 5V/µs
Low noise 20nV/
Supply current 1.22mA/channel
V
Guaranteed 2.7V and 5V specifications
Rail-to-Rail inputs and outputs
Unity gain stable
Small package: 10-Pin LLP, 10-Pin MSOP and 10-Bump
micro SMD
1.5µA shutdown I
2.2µs turn on
Power amplifier control loop
Cellular phones
Portable equipment
Wireless LAN
Radio systems
Cordless phones
OS
< 3mV max
CC
Hz
10137034
March 5, 2010
www.national.com

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LMV712MM Summary of contents

Page 1

... Package (LLP) packages also offered in 10-Pin MSOP package. These packages are designed to meet the demands of small size, low power, and low cost required by cellular phones and similar battery operated portable electronics. Typical Application Circuit © 2010 National Semiconductor Corporation LMV712 Features (Typical Unless Otherwise Noted) ■ ...

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 Machine Model Differential Input Voltage Voltage at Input/Output Pin Supply Voltage ( − ) Output Short Circuit V + Output Short Circuit V − ...

Page 3

Symbol Parameter A Large Signal Voltage Gain VOL V Shutdown Pin Voltage Range SD GBWP Gain-Bandwidth Product SR Slew Rate φ Phase Margin m e Input Referred Voltage Noise n Turn-On Time from Shutdown T ON Turn-On Time from Shutdown ...

Page 4

Symbol Parameter V Output Swing O V (SD) Output Voltage in Shutdown O I Supply Current per Channel S A Large Signal Voltage Gain VOL V Shutdown Pin Voltage Range SD GBWP Gain-Bandwidth Product SR Slew Rate φ Phase Margin ...

Page 5

Typical Performance Characteristics Supply Current Per Channel vs. Supply Voltage V vs Output Positive Swing vs. Supply Voltage, R Unless otherwise specified, V Supply Current vs. Supply Voltage (Shutdown) 10137001 I vs 10137003 = 600Ω ...

Page 6

Sourcing Current vs. Output Voltage, V Sinking Current vs. Output Voltage, V PSRR vs. Frequency V www.national.com = 2.7V Sourcing Current vs. Output Voltage 10137008 = 2.7V Sinking Current vs. Output Voltage 10137009 = 2.7V S ...

Page 7

CMRR vs. Frequency Open Loop Frequency Response vs. R Open Loop Frequency Response vs. C CMRR vs. Frequency 10137016 Open Loop Frequency Response vs 10137012 Open Loop Frequency Response vs 10137013 7 10137017 L 10137014 L ...

Page 8

Voltage Noise vs. Frequency Non-Inverting Large Signal Pulse Response, V Non-Inverting Small Signal Pulse Response, V www.national.com Voltage Noise vs. Frequency 10137020 = 2.7V Non-Inverting Large Signal Pulse Response 10137022 = 2.7V Non-Inverting Small Signal Pulse Response, V ...

Page 9

Inverting Large Signal Pulse Response, V Inverting Small Signal Pulse Response, V Turn on Time Response 2.7V Inverting Large Signal Pulse Response 10137026 = 2.7V Inverting Small Signal Pulse Response V S 10137027 = 5V ...

Page 10

Application Information THEORY OF OPERATION The LMV712 dual op amp is derived from the LMV711 single op amp. Figure 1 contains a simplified schematic of one chan- nel of the LMV712. Rail-to-Rail input is achieved by using in parallel, one ...

Page 11

A glitch-free output waveform is highly desirable in many ap- plications, one of which is power amplifier control loops. In this application, the LMV712 is used to drive the power amplifier's power control. If the LMV712 did not have a ...

Page 12

... Connection Diagrams 10-Pin MSOP (Top View) 10-Bump micro SMD (Top View) Ordering Information Package Part Number LMV712MM 10-Pin MSOP LMV712MMX LMV712LD 10-Pin LLP LMV712LDX 10-Bump micro SMD LMV712TL (NOPB) LMV712TLX www.national.com 10137036 *Connect thermal pad to V 10-Bump micro SMD (Bottom View) ...

Page 13

Physical Dimensions inches (millimeters) unless otherwise noted 10-Pin MSOP NS Package Number MUB10A 10-Pin LLP NS Package Number LDA10A 13 www.national.com ...

Page 14

... NOTES: UNLESS OTHERWISE SPECIFIED 1. EPOXY COATING 2. FOR SOLDER BUMP COMPOSITION. SEE ”SOLDER INFORMATION” IN THE PACKAGING SECTION OF THE NATIONAL SEMICONDUCTOR WEB PAGE (www.national.com) 3. RECOMMEND NON-SOLDER MASK DEFINED LANDING PAD. 4. PIN A1 IS ESTABLISHED BY LOWER LEFT CORNER WITH RESPECT TO TEXT ORIENTATION. 5. XXX IN DRAWING NUMBER REPRESENTS PACKAGE SIZE VARIATION WHERE X1 IS PACKAGE WIDTH PACKAGE LENGTH AND X3 IS PACK- AGE HEIGHT ...

Page 15

Notes 15 www.national.com ...

Page 16

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

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