eclamp2378p Semtech Corporation, eclamp2378p Datasheet

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eclamp2378p

Manufacturer Part Number
eclamp2378p
Description
Esd/emi Protection For Color Lcd Interfaces
Manufacturer
Semtech Corporation
Datasheet

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The EClamp
integrated TVS diodes. It is designed to suppress
unwanted EMI/RFI signals and provide electrostatic
discharge (ESD) protection in portable electronic
equipment. This state-of-the-art device utilizes solid-
state silicon-avalanche technology for superior clamp-
ing performance and DC electrical characteristics.
They have been optimized for protection of color
LCD panels
LCD panels
LCD panels in cellular phones and other portable
electronics.
The device consists of eight identical circuits comprised
of TVS diodes for ESD protection, and a resistor -
capacitor network for EMI/RFI filtering. A series
resistor value of 100
10pF are used to achieve 30dB minimum attenuation
from 1.8GHz to 2.5GHz. The TVS diodes provide
effective suppression of ESD voltages in excess of
±15kV (air discharge) and ±8kV (contact discharge) per
IEC 61000-4-2, level 4.
The EClamp2378P is in a 16-pin, RoHS/WEEE compli-
ant, SLP4016P16 package. It measures 4.0 x 1.6 x
0.58mm. The leads are spaced at a pitch of 0.5mm
and are finished with lead-free NiPd. The small pack-
age makes it ideal for use in portable electronics such
as cell phones, digital still cameras, and PDAs.
Revision 12/6/2005
PROTECTION PRODUCTS
PROTECTION PRODUCTS - EMIClamp
LCD panels
LCD panels
Description
Circuit Diagram (Each Line)
IN
TM
2378P is a low pass filter array with
Device Schematic (8X)
10pF
100
and a capacitance value of
GND
10pF
protection of color
protection of color
protection of color
protection of color
OUT
TM
1
Features
Mechanical Characteristics
Applications
Package Configuration
Bidirectional EMI/RFI filter with integrated TVS
for ESD protection
ESD protection to IEC 61000-4-2 (ESD) Level 4,
±15kV (air), ±8kV (contact)
Filter performance: 30dB minimum attenuation
1.8GHz to 2.5GHz
TVS working voltage: 5V
Resistor: 100
Typical Capacitance: 20pF (VR = 0V)
Protection and filtering for eight lines
Solid-state technology
SLP4016P16 16-pin package
RoHS/WEEE Compliant
Nominal Dimensions: 4.0 x 1.6 x 0.58 mm
Lead Pitch: 0.5mm
Lead finish: NiPd
Marking : Marking Code
Packaging : Tape and Reel per EIA 481
Color LCD Protection
Cell Phone CCD Camera Lines
Clamshell Cell Phones
16 Pin SLP package (Bottom Side View)
1 2
Nominal Dimensions in mm
for Color LCD Interfaces
4.00
ESD/EMI Protection
0.50 BSC
EClamp2378P
PRELIMINARY
www.semtech.com
1.60
0.58

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eclamp2378p Summary of contents

Page 1

... ESD voltages in excess of ±15kV (air discharge) and ±8kV (contact discharge) per IEC 61000-4-2, level 4. The EClamp2378P 16-pin, RoHS/WEEE compli- ant, SLP4016P16 package. It measures 4.0 x 1.6 x 0.58mm. The leads are spaced at a pitch of 0.5mm and are finished with lead-free NiPd. The small pack- age makes it ideal for use in portable electronics such as cell phones, digital still cameras, and PDAs ...

Page 2

... EClamp2378P PRELIMINARY ...

Page 3

... GHz GHz GHz STOP 000 . 000 000 MHz MHz 3.5 4 4 EClamp2378P PRELIMINARY Analog Crosstalk (Each Line) CH1 S21 LOG REF 0 dB STOP 000 . 000 000 MHz 3 START . 030 MHz ESD Clamping (-8kV Contact) www.semtech.com ...

Page 4

... PROTECTION PRODUCTS Applications Information Device Connection The EClamp2378P is comprised of eight identical circuits each consisting of a low pass filter for EMI/RFI suppression and dual TVS diodes for ESD protection. The device 16-pin SLP package. Electrical connection is made to the 16 pins located at the bottom of the device ...

Page 5

... This is the resonant frequency of the higher ground loop induc- tance. Figure 3 - Recommended Layout Using Ground Vias 2005 Semtech Corp. EClamp2378P Figure 4 - Filter Characteristics Using Recommended Layout with Internal Vias CH1 S21 LOG REF 0 dB ...

Page 6

... PROTECTION PRODUCTS Applications Information - Spice Model Line 2005 Semtech Corp. 1.4nH Figure 1 - EClamp2378P Spice Model ...

Page 7

... CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET 2005 Semtech Corp SEATING PLANE LxN E/2 N bxN bbb D ( EClamp2378P PRELIMINARY DIMENSIONS INCHES MILLIMETERS DIM MIN NOM MAX MIN NOM MAX A .020 .023 .026 0.50 0.58 0.65 A1 .000 .001 .002 0.00 .003 0.05 ( ...

Page 8

... Semtech Corporation Protection Products Division 200 Flynn Rd., Camarillo, CA 93012 8 EClamp2378P PRELIMINARY ...

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