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National LMV115 Data Handbook

Summary

The LMV115 is a compact 30MHz buffer IC engineered to enhance signal integrity in baseband and GSM communication modules. It effectively minimizes spurious signals, accommodating load variations and featuring a built-in shutdown function for enhanced power management. This manual provides comprehensive technical documentation, detailing the unit's electrical characteristics, performance parameters (like bandwidth and slew rate), and operational limits. Ideal for engineers and designers developing cellular phone electronics or specialized compact communication systems requiring stable signal buffering.

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Page 1 Text Content

查询LMV115供应商

December

LM aseband 30M 2.8V scillator uffer

LMV115 GSM Baseband 30MHz 2.8V Oscillator Buffer General Description Features The LMV115 is 30MHz buffer specially designed to mini- (Typical 2.8V supply; values unless otherwise specified) mize the effects of spurious signals from the band chip Low supply current: 0.3m A to the oscillator. The buffer also minimizes the influence of

2.5V to 3.3V supply

varying load resistance and capacitance to the oscillator and

AC coupling possible without external bias resistors.

increases the drive capability.

Includes shutdown function external oscillator

The input of the LMV115 is internally biased with two equal

SC70-6 pin package 2.1 2mm

resistors to the power supply rails. This allows AC coupling

Operating Temperature Range −40˚C to 85˚C

on the input. The LMV115 offers shutdown function to optimize current

Applications

consumption. This shutdown function can also be used to

Cellular phones

control the supply voltage of an external oscillator. The de-

vice is in shutdown mode when the shutdown pin is con- GSM Modules nected to VDD. Oscillator Modules

The LMV115 comes in SC70-6 package. This space saving product reduces components, improves clock signal and allows ease of placement for the best form factor.

Schematic Diagram

National Semiconductor Corporation DS200751 www.national.com

Page Summary Contents For National LMV115 Data Handbook

Page 1 查询LMV115供应商 December LM aseband 30M 2.8V scillator uffer LMV115 GSM Baseband 30MHz 2.8V Oscillator Buffer General Description Features The LMV115 is 30MHz buffer specially designed to mini- (Typical 2...
Page 2 Absolute Maximum Ratings (Note 1) Junction Temperature (Note 6) +150˚C If Military/Aerospace specified devices are required, Mounting Temperature LM please contact the National Semiconductor Sales Off...
Page 3 2.8V Electrical Characteristics (Continued) LM Unless otherwise specified, all limits guaranteed for TJ 25˚C, V+ 2.8V, V− 0V, VCM V+/2, shutdown 0.0V, and RL 50kΩ to V+/2, CL 5p F to V+/2 and CCOUPLIN...
Page 4 Connection Diagram SC70-6 Ordering Information Package Part Number Package Marking Transport Media NSC Drawing LMV115MG Units Tape and Reel SC70-6 B04 MAA06A LMV115MGX 3k Units Tape and Reel www.natio...
Page 5 Typical Performance Characteristics TJ 25˚C, V+ 2.8V, V− 0V, VCM V+/2, and RL, CL is LM connected to V+/2; Unless otherwise specified. Frequency and Phase Response Frequency Response Over Temperature ...
Page 6 Typical Performance Characteristics TJ 25˚C, V+ 2.8V, V− 0V, VCM V+/2, and RL, CL is connected to V+/2; Unless otherwise specified. (Continued) Transient Response Negative Harmonic Distortion vs. VOUT...
Page 7 Typical Performance Characteristics TJ 25˚C, V+ 2.8V, V− 0V, VCM V+/2, and RL, CL is LM connected to V+/2; Unless otherwise specified. (Continued) ROUT vs. Frequency Input Impedance vs. Frequency Isol...
Page 8 Typical Performance Characteristics TJ 25˚C, V+ 2.8V, V− 0V, VCM V+/2, and RL, CL is connected to V+/2; Unless otherwise specified. (Continued) ISC Sinking vs. VSUPPLY VOS vs. VSUPPLY for Units VOS vs...
Page 9 Typical Performance Characteristics TJ 25˚C, V+ 2.8V, V− 0V, VCM V+/2, and RL, CL is LM connected to V+/2; Unless otherwise specified. (Continued) PSRR vs. Frequency Small Signal Pulse Response Large ...
Page 10 Application Section GENERAL The LMV115 is specially designed to minimize the effects of spurious signals from the band chip to the oscillator. Beside this the influence of varying load resistance and ...
Page 11 Application Section DRIVING RESISTIVE AND CAPACITIVE LOADS (Continued) LM The maximum output current of the LMV115 is about 200µA which means the output can drive maximum load of 1V/ 200µA 5kΩ. Using ...
Page 12 Application Section causes significant increase in power consumption, while (Continued) loading inputs or outputs to heavily. part itself, adding its own high frequency properties to the NSC suggests ...
Page 13 Physical Dimensions inches (millimeters) unless otherwise noted LM aseband 30M 2.8V scillator uffer NS Package Number MAA06A LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITI...

Manual Details

Brand National
Pages 13
File Size 461.02 KB
Published June 01, 2026
63 views

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Frequently Asked Questions

What is the LMV115 buffer designed to minimize or manage?

It minimizes the effects of spurious signals from the base band chip and reduces the influence of supply varying load resistance and capacitance.

What are the operating temperature limits for this device?

The specified operating temperature range is standardly −40˚C to +85˚C.

How can I enable or disable the LMV115's functionality?

It features a shutdown function controlled by connecting the shutdown pin.

What voltage supply does the LMV115 typically require?

The recommended operating supply voltage is 2.5V to 3.3V.