CM1214 Datasheet, PDF (1/10 Pages) List of Unclassifed Manufacturers – 1 and 2 Channel PicoGuardTM AC Signal ESD Protector

PRELIMINARY
CM1214
1 and 2 Channel PicoGuard^TM AC Signal ESD Protector
Features
• Single channel ESD protection for an AC signal up
to ±5V for 0.25W transmit power
• Connect 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
• Can withstand over 1000 ESD strikes at 8kV
• DFN-3, SOT23-3 and MSOP-8 package options
• Lead-free versions available
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 CM1214 PicoGuard^TM ESD protector is used to
protect bipolar signal lines against electrostatic dis-
charge (ESD). The CM1214 allows operation in high-
speed environments with signals levels up to +5V. The
low sub-1pF loading capacitance makes the CM1214-
01DF/DE and CM1214-01ST/SO ideal for protecting
high-speed interfaces including RF switches and
amplifiers. The CM1214-02MS/MR is ideal for dual
high-speed signal pairs used in Gigabit Ethernet,
ADSL, etc. The CM1214-02MS/MR can also be used
for higher transmit voltage applications by connecting
the two channels in series.
The CM1214-01DF/DE and the CM1214-01ST/SO are
single channel ESD protectors available in a 3-lead
DFN-3 and SOT23-3 packages respectively. The
CM1214-01DF/DE is housed in a very small form fac-
tor DFN package that provides up to 20% and 32%
board space savings when it is used in place of SC70
and SOT23 packages. The CM1214-02MS/MR is a
dual channel ESD protector and is available in an 8-
lead MSOP-8 package. All three devices are available
with optional lead-free finishing.
Electrical Schematics
CH1
CH1 CH3
CH2
CM1214-01ST/SO
CM1214-01DF/DE
CH2 CH4
CM1214-02MS/MR
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