ESD/EMI Protection. EClamp2454P Datasheet

EClamp2454P Protection. Datasheet pdf. Equivalent

EClamp2454P Datasheet
Recommendation EClamp2454P Datasheet
Part EClamp2454P
Description ESD/EMI Protection
Feature EClamp2454P; PROTECTION PRODUCTS - EMIClampTM Description The EClampTM2454P is a (L-C) low pass filter array with.
Manufacture Semtech
Datasheet
Download EClamp2454P Datasheet




Semtech EClamp2454P
PROTECTION PRODUCTS - EMIClampTM
Description
The EClampTM2454P is a (L-C) low pass filter array with
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 and camera lines in cellular phones and other
portable electronics.
The device consists of four identical circuits comprised
of TVS diodes for ESD protection, and a 5-pole induc-
tor - capacitor network for EMI/RFI filtering. A typical
inductor value of 28nH and a capacitor value of 12pF
are used to achieve 40dB minimum attenuation at
800MHz. 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 EClamp2454P is in a 8-pin, RoHS/WEEE compliant,
SLP2116P8 package. It measures 2.1 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 package makes it
ideal for use in portable electronics such as cell phones,
digital still cameras, and PDAs.
Features
EClamp2454P
ESD/EMI Protection
for Color LCD Interfaces
PRELIMINARY
‹ 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: 40dB minimum attenuation at
800MHz to 2.7GHz
‹ TVS working voltage: 5V
‹ Inductor: 28nH (Typical)
‹ Capacitors: 12pF (Typical at VR = 2.5V)
‹ Protection and filtering for four lines
‹ Solid-state technology
Mechanical Characteristics
‹ SLP2116P8 8-pin package
‹ RoHS/WEEE Compliant
‹ Nominal Dimensions: 2.1 x 1.6 x 0.58 mm
‹ Lead Pitch: 0.5mm
‹ Lead finish: NiPd
‹ Marking: Marking Code
‹ Packaging: Tape and Reel per EIA 481
Applications
‹ Color LCD Protection
‹ Cell Phone CCD Camera Lines
‹ Clamshell Cell Phones
Circuit Diagram (Each Line)
Package Configuration
L1 L2
IN
C1 C2
C3
OUT
GND
2.10
12
1.60
0.50 BSC
0.58
Device Schematic (4X)
Revision 03/29/2006
8 Pin SLP package (Bottom Side View)
Nominal Dimensions in mm
1 www.semtech.com



Semtech EClamp2454P
PROTECTION PRODUCTS
Maximum Ratings
Rating
ESD per IEC 61000-4-2 (Air)
ESD per IEC 61000-4-2 (Contact)
Junction Temperature
Operating Temperature
Storage Temperature
Electrical Characteristics (T=25oC)
Symbol
VESD
TJ
Top
TSTG
EClamp2454P
PRELIMINARY
Value
+/- 20
+/- 15
125
-40 to +85
-55 to +150
Units
kV
oC
oC
oC
Parameter
Symbol
Conditions
Minimum
TVS Reverse Stand-Off Voltage
VRWM
TVS Reverse Breakdown Voltage
VBR
It = 1mA
TVS Reverse Leakage Current
IR
VRWM = 3.3V
DC Resistance
RDC
Filter Cut-Off Frequency
fc ZSource = ZLoad = 50 Ohms
Inductance
L
6
Total Series Inductance
Capacitance
Total Capacitance
L1 + L2
C1 , C2 , C3
C1 + C2 +
C3
Each Line
VR = 2.5V, f = 1MHz
Input to Gnd,
Each Line
VR = 2.5V, f = 1MHz
10
30
Ty p i cal
8
33
155
28
56
12
36
Maximum
5
10
0.1
15
45
Units
V
V
µA
Ohms
MHz
nH
nH
pF
pF
2006 Semtech Corp.
2
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Semtech EClamp2454P
PROTECTION PRODUCTS
Typical Characteristics
Typical Insertion Loss S21 (Each Line)
CH1 S21 LOG 6 dB / REF 0 dB
0 dB
-6 dB
-12 dB
-18 dB
-24 dB
1
1: -5.3134 dB
156 MHz
2: -41.559 dB
800 MHz
3: -41.327 dB
1.8 GHz
4: -40.105 dB
2.7 GHz
-30 dB
-36 dB
-42 dB
-48 dB
4
23
-54 dB
1
MHz
10
MHz
100
MHz
13
GHz GHz
START. 030 MHz
STOP 3000.000000 MHz
ESD Clamping (+8kV Contact)
EClamp2454P
PRELIMINARY
Analog Crosstalk (Each Line)
CH1 S21 LOG 20 dB /REF 0 dB
START. 030 MHz
STOP 3000.000000 MHz
ESD Clamping (-8kV Contact)
Note: Data is taken with a 10x attenuator
Capacitance vs. Reverse Voltage
(Normalized to 2.5 volts)
2
Note: Data is taken with a 10x attenuator
1.5
1
0.5
0
0 0.5 1
2006 Semtech Corp.
1.5 2 2.5 3 3.5
Reverse Voltage - VR (V)
f = 1 MHz
4 4.5 5
3
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