CM1621
LCD and Camera EMI Filter Array with ESD Protection
Features
•
•
•
•
•
•
•
Six channels of EMI filtering with integrated ESD
protection
Pi-style EMI filters in a capacitor-resistor-capacitor
(C-R-C) network
±15kV
ESD protection on each channel
(IEC 61000-4-2 Level 4, contact discharge)
±30kV
ESD protection on each channel (HBM)
Greater than 40dB attenuation (typical) at 1GHz
NuDFN package with 0.40mm lead pitch:
• 12-lead: 2.5mm x 1.20mm x 0.50mm
Lead-free finishing
Applications
•
•
•
•
•
LCD and camera data lines in mobile handsets
I/O port protection for mobile handsets, notebook
computers, PDAs, etc.
EMI filtering for data ports in cell phones, PDAs or
notebook computers
Wireless handsets
Handheld PCs/PDAs
Electrical Schematic
100Ω
FILTER+ESDn*
17pF
FILTER+ESDn*
R
17pF
C
GND
C
* See Package/Pinout Diagram
for expanded pin information.
1 of 6 EMI/RFI + ESD Channels
PACKAGE / PINOUT DIAGRAMS
TOP VIEW
(Pins Down View)
12 11 10 9 8 7
BOTTOM VIEW
(Pins Up View)
1 2 3 4 5 6
Pin 1
Marking
Part
Marking
GND
PAD
1 2 3 4 5
6
12 11 10 9 8 7
12-Lead NuDFN Package
Note: This drawing is not to scale.
© 2008 California Micro Devices Corp. All rights reserved.
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
Issue A – 8/4/08
●
Fax: 408.263.7846
●
www.cmd.com
1
CM1621
PIN DESCRIPTIONS
DEVICE PIN(s)
1
2
3
4
5
6
GND PAD
NAME
FILTER1
FILTER2
FILTER3
FILTER4
FILTER5
FILTER6
GND
DESCRIPTION
Filter + ESD Channel 1
Filter + ESD Channel 2
Filter + ESD Channel 3
Filter + ESD Channel 4
Filter + ESD Channel 5
Filter + ESD Channel 6
Device Ground
DEVICE PIN(s)
12
11
10
9
8
7
NAME
FILTER1
FILTER2
FILTER3
FILTER4
FILTER5
FILTER6
DESCRIPTION
Filter + ESD Channel 1
Filter + ESD Channel 2
Filter + ESD Channel 3
Filter + ESD Channel 4
Filter + ESD Channel 5
Filter + ESD Channel 6
Ordering Information
PART NUMBERING INFORMATION
Lead-free Finish
Pins
12
Package
NuDFN-12
Ordering Part Number
1
CM1621-06DE
Part Marking
P21
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Storage Temperature Range
DC Power per Resistor
DC Package Power Rating
RATING
–65 to +150
100
500
UNITS
°C
mW
mW
STANDARD OPERATING CONDITIONS
PARAMETER
Operating Temperature Range
RATING
–40 to +85
UNITS
°C
© 2008 California Micro Devices Corp. All rights reserved.
2
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
Issue A – 8/4/08
●
Fax: 408.263.7846
●
www.cmd.com
CM1621
ELECTRICAL OPERATING CHARACTERISTICS
(SEE NOTE1)
SYMBOL
R
C
TOTAL
C
V
DIODE
I
LEAK
V
SIG
V
ESD
PARAMETER
Resistance
Total Channel Capacitance
Capacitance C
Standoff Voltage
Diode Leakage Current (reverse bias)
Signal Clamp Voltage
In-system ESD Withstand Voltage
a) Human Body Model (HBM),
MIL-STD-883, Method 3015
b) Contact Discharge per
IEC 61000-4-2 Level 4
Dynamic Resistance
Positive
Negative
Cut-off Frequency
Z
SOURCE
= 50Ω, Z
LOAD
= 50Ω
Absolute Attenuation @ 1GHz from 0dB
Level
3GHz from 0dB Level
Channel R = 100Ω,
Channel C = 15pF
Z
SOURCE
= 50Ω, Z
LOAD
= 50Ω,
DC Bias = 0V; Notes 1, 4, 5
Z
SOURCE
= 50Ω, Z
LOAD
= 50Ω,
DC Bias = 0V; Notes 1, 4, 5
At 2.5VDC Reverse Bias, 1MHz,
30mVAC
At 2.5VDC Reverse Bias, 1MHz,
30mVAC
I
DIODE
= 10μA
V
DIODE
=
+
3.3V
I
LOAD
= 1.0mA
Notes 2 and 3
±30
±15
kV
kV
6.0
7.0
CONDITIONS
MIN
85
27
TYP
100
34
17
6.0
200
8.0
MAX
115
41
UNITS
Ω
pF
pF
V
nA
V
R
DYN
2.3
0.9
90
-40
-35
135
Note 3
Ω
Ω
MHz
dB
dB
f
C
A
1GHz
A
800MHz -
Absolute Attenuation @ 800MHz to
3 GHz
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
T
A
=25
°
C unless otherwise specified.
ESD applied to input and output pins with respect to GND, one at a time.
These parameters are guaranteed by design and characterization.
Attenuation / RF curves characterized by a network analyzer using microprobes.
These parameters are NOT guaranteed by design, characterization and production.
© 2008 California Micro Devices Corp. All rights reserved.
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
Issue A – 8/4/08
●
Fax: 408.263.7846
●
www.cmd.com
3
CM1621
Performance Information
Typical Filter Performance (T
A
=25°C, DC Bias=0V, 50 Ohm Environment)
0 dB
-10 dB
INSERTION LOSS
-20 dB
-30 dB
-40 dB
-50 dB
3
10
100
FREQUENCY (MHz)
1000
2000
6000
Figure 1. Insertion Loss vs. Frequency (FILTER1 Input to GND, CM1621-06DE)
Typical Diode Capacitance vs. Input Voltage
0 dB
-10 dB
INSERTION LOSS
-20 dB
-30 dB
-40 dB
-50 dB
3
10
100
FREQUENCY (MHz)
1000
2000
6000
Figure 2. Insertion Loss vs. Frequency (FILTER2 Input to GND, CM1621-06DE)
Typical Diode Capacitance vs. Input Voltage
© 2008 California Micro Devices Corp. All rights reserved.
4
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
Issue A – 8/4/08
●
Fax: 408.263.7846
●
www.cmd.com
CM1621
0 dB
-10 dB
INSERTION LOSS
-20 dB
-30 dB
-40 dB
-50 dB
3
10
100
FREQUENCY (MHz)
1000
2000
6000
Figure 3. Insertion Loss vs. Frequency (FILTER3 Input to GND, CM1621-06DE)
Typical Diode Capacitance vs. Input Voltage
0 dB
-10 dB
INSERTION LOSS
-20 dB
-30 dB
-40 dB
-50 dB
3
10
100
FREQUENCY (MHz)
1000
2000
6000
Figure 4. Insertion Loss vs. Frequency (FILTER4 Input to GND, CM1621-06DE)
Typical Diode Capacitance vs. Input Voltage
© 2008 California Micro Devices Corp. All rights reserved.
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
Issue A – 8/4/08
●
Fax: 408.263.7846
●
www.cmd.com
5
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