CM1214A Datasheet PDF - ON Semiconductor

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CM1214A
ON Semiconductor

Part Number CM1214A
Description 1- and 2-Channel PicoGuard AC Signal ESD Protector
Page 14 Pages


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1- and 2-Channel PicoGuard®www.DataSheet4U.com
AC Signal ESD Protector
CM1214A
Features
• Single channel ESD protection for an AC signal
up to ±5V for 0.25W transmit power
• Connects two channels in series for signals up to
±10V (1W transmit power)
• ±8kV ESD protection per IEC 61000-4-2 contact
discharge
• Sub-1pF loading capacitance
• Minimal variation with voltage and temperature
• Each I/O pin can withstand over 1000 ESD
strikes*
• SOT23-3 and MSOP-8 packages
• RoHS-compliant, lead-free finishing
Applications
• RF switch and amplifier protection
• RF modules and RF IC protection
• Wireless handsets and WLAN
• High-speed AC signals for Gbit ethernet, etc.
Product Description
The CM1214A PicoGuard® ESD protector is used to
protect bipolar signal lines against electrostatic
discharge (ESD). The CM1214A allows operation in
high-speed environments with signals levels up to
±5V.
The CM1214A comes in two versions:
• The CM1214A-01SO is a single channel ESD
protector and is available in a 3-lead SOT23-3
package.
• The CM1214A-02MR is a dual channel ESD
protector and is available in an 8-lead MSOP-8
package.
The low sub-1pF loading capacitance makes the
CM1214A-01SO ideal for protecting high-speed
interfaces including RF switches and amplifiers.
The CM1214A-02MR is ideal for dual high-speed
signal pairs used in Gigabit Ethernet, ADSL, etc. The
CM1214A-02MR can also be used for higher transmit
voltage applications by connecting the two channels
in series.
Both devices come in RoHS-compliant, lead-free
finishing.
Block Diagram
©2010 SCILLC. All rights reserved.
April 2010 – Rev.2
Publication Order Number:
CM1214A/D



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Package/Pinout Diagrams
CM1214Awww.DataSheet4U.com
Pin Descriptions
SOT23-3 PACKAGE PIN DESCRIPTIONS
PIN NAME DESCRIPTION
1 CH1 ESD Channel
2 CH2 ESD Channel
3 N.C. No connect
MSOP-8 PACKAGE PIN DESCRIPTIONS
PIN NAME DESCRIPTION
1 CH1 ESD Channel
2 N.C. No connect
3 N.C. No connect
4 CH3 ESD Channel
5 N.C. No connect
6 CH4 ESD Channel
7 CH2 ESD Channel
8 N.C. No connect
Rev. 2 | Page 2 of 14 | www.onsemi.com



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CM1214A
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Ordering Information
PART NUMBERING INFORMATION
Pins
3
Package
SOT23
Lead-free Finish
Ordering Part Number1
Part Marking
CM1214A-01SO
RF1S
8
MSOP
CM1214A-02MR
RF2S
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER
DC Voltage between CH pins
Operating Temperature Range
Storage Temperature Range
Package Power Rating
SOT23-3 Package (CM1214A-01SO)
MSOP8 Package (CM1214A-02MR)
RATING
7
–40 to +85
–65 to +150
225
400
UNITS
V
°C
°C
mW
mW
Rev. 2 | Page 3 of 14 | www.onsemi.com



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STANDARD OPERATING CONDITIONS
PARAMETER
Operating Temperature Range
RATING
–40 to +85
UNITS
°C
ELECTRICAL OPERATING CHARACTERISTICS (SEE NOTE 1)
SYMBOL PARAMETER
CONDITIONS
VST Standoff Voltage
I=10µA
VESD ESD Voltage Protection
Notes 2 and 3
Peak discharge voltage between
CH pins
a) Contact discharge per
IEC 61000-4-2 standard
ILEAK Channel Leakage Current
RDYN Dynamic Resistance
TA=25°C, 5.5V between CH pins
TA=25°C, IPP = 1A, tP = 8/20µS; Any
I/O pin to Ground; Note 4
VCL Channel Clamp Voltage
TA=25°C, IPP = 1A, tP = 8/20µS;
Note 4
CIN Channel Input Capacitance
Measured at 1MHz between CH
Voltage between CH pins = 0V pins
Voltage between CH pins = 5V
MIN TYP MAX UNITS
±7 V
±8 kV
±0.1
1.36
±1.0
µA
11.3
V
0.4 0.6
0.35 0.54
0.9
0.8
pF
pF
Note 1: All parameters specified at TA = 40°C to +85°C unless otherwise noted.
Note 2:. Standard IEC 61000-4-2 with CDischarge = 150pF, RDischarge = 330,.
Note 3:. From CH pin with other CH pin grounded.
Note 4: No-connect pins are left open for all tests.
Rev. 2 | Page 4 of 14 | www.onsemi.com



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