LMV115MG/NOPB National Semiconductor, LMV115MG/NOPB Datasheet

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LMV115MG/NOPB

Manufacturer Part Number
LMV115MG/NOPB
Description
IC BUFFER OSC GSM 30MHZ SC70-6
Manufacturer
National Semiconductor
Datasheet

Specifications of LMV115MG/NOPB

Function
Oscillator Buffer
Frequency
30MHz
Rf Type
GSM
Secondary Attributes
2.5V ~ 3.3V supply
Package / Case
6-TSSOP, SC-88, SOT-363
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LMV115MG
LMV115MGTR
© 2003 National Semiconductor Corporation
LMV115
GSM Baseband 30MHz 2.8V Oscillator Buffer
General Description
The LMV115 is a 30MHz buffer specially designed to mini-
mize the effects of spurious signals from the base band chip
to the oscillator. The buffer also minimizes the influence of
varying load resistance and capacitance to the oscillator and
increases the drive capability.
The input of the LMV115 is internally biased with two equal
resistors to the power supply rails. This allows AC coupling
on the input.
The LMV115 offers a shutdown function to optimize current
consumption. This shutdown function can also be used to
control the supply voltage of an external oscillator. The de-
vice is in shutdown mode when the shutdown pin is con-
nected to V
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
DD
.
DS200751
Features
(Typical 2.8V supply; values unless otherwise specified)
n Low supply current: 0.3mA
n 2.5V to 3.3V supply
n AC coupling possible without external bias resistors.
n Includes shutdown function external oscillator
n SC70-6 pin package 2.1 x 2mm
n Operating Temperature Range −40˚C to 85˚C
Applications
n Cellular phones
n GSM Modules
n Oscillator Modules
20075129
December 2003
www.national.com

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LMV115MG/NOPB Summary of contents

Page 1

... 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 © 2003 National Semiconductor Corporation Features (Typical 2.8V supply; values unless otherwise specified) n Low supply current: 0.3mA n 2 ...

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 Human Body Model Machine Model + − Supply Voltage (V – Output Short Circuit to V − Output Short Circuit to V Storage Temperature Range 2 ...

Page 3

Electrical Characteristics Unless otherwise specified, all limits guaranteed for 50kΩ / 5pF and C L Symbol Parameter Z Input Impedance IN V Output Swing Positive O Output Swing Negative ...

Page 4

Connection Diagram Ordering Information Package Part Number LMV115MG SC70-6 LMV115MGX www.national.com SC70-6 20075130 Top View Package Marking Transport Media 250 Units Tape and Reel B04 3k Units Tape and Reel 4 NSC Drawing MAA06A ...

Page 5

Typical Performance Characteristics + connected to V /2; Unless otherwise specified. Frequency and Phase Response Phase Response Over Temperature Full Power Bandwidth + − 25˚ 2.8V Frequency Response Over Temperature 20075103 Gain Flatness 0.1dB ...

Page 6

Typical Performance Characteristics + connected to V /2; Unless otherwise specified. (Continued) Transient Response Negative Harmonic Distortion vs. V THD vs. V for Various Frequencies OUT www.national.com + T = 25˚ 2.8V Harmonic Distortion vs. V ...

Page 7

Typical Performance Characteristics + connected to V /2; Unless otherwise specified. (Continued) R vs. Frequency OUT Isolation Output to Input V vs. I (Sourcing) OUT OUT + − 25˚ 2.8V Input Impedance vs. Frequency ...

Page 8

Typical Performance Characteristics + connected to V /2; Unless otherwise specified. (Continued) I Sinking vs vs. V for Unit 1 OS SUPPLY V vs. V for Unit 3 OS SUPPLY www.national.com + T = 25˚ ...

Page 9

Typical Performance Characteristics + connected to V /2; Unless otherwise specified. (Continued) PSRR vs. Frequency Large Signal Pulse Response + − 25˚ 2.8V Small Signal Pulse Response 20075115 20075113 0V, V ...

Page 10

Application Section GENERAL The LMV115 is specially designed to minimize the effects of spurious signals from the base band chip to the oscillator. Beside this the influence of varying load resistance and capacitance to the oscillator is minimized, while increasing ...

Page 11

Application Section (Continued) FIGURE 3. V – V OUT In Figure 3 the input signal is swept between both supply rails (0V - 2.8V). The linear part of the plot ‘V covers approximately the voltage range between 1.0V and 2.0V. ...

Page 12

... NSC suggests the following evaluation board as a guide for high frequency layout and as an aid in device testing and characterization. Device Package LMV115 SC70-6 This free evaluation board is shipped when a device sample request is placed with National Semiconductor. 12 Evaluation Board PN LMV115/117 Eval Board ...

Page 13

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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