ESD1P0RF...
1. Application example ESD1P0RFW
1 channel, anti-parallel configuration
1 protected signal line,
superimposed DC voltage up to
±V F (diode forward voltage)
3
I/O
ESD
sensitive
circuit
The protection diode should
be placed very close to the
location where the ESD or
other transients can occur to
keep loops and inductances
as small as possible.
Line capacitance to
ground = 1 pF
Pins 1 and 2 should be
connected in parallel directly
to a ground plane on the
1
2
board.
2. Application example ESD1P0RFW
1 channel, rail-to-rail configuration
+Vcc
1 protected signal line,
superimposed DC voltage up to
+Vcc (voltage supply)
I/O
ESD
sensitive
circuit
Pin 2 should be connected
to the positive supply
voltage and pin 1 should be
connected directly to a
ground plane on the board.
Clamped input voltage at I/O
port is limited to Vcc + VF at
positive transients and 0V -
VF at negative transients
Line capacitance to
ground = 1 pF
3. Application example ESD1P0RFS
2 channels, anti-parallel configuration
2 protected signal lines,
superimposed DC voltage up to
±V F (diode forward voltage)
I/O
(VF ... diode forward voltage
drop).
4
3
Pins 1, 2 and 4, 5 should be
connected in parallel directly
to a ground plane on the
5
6
2
1
ESD
sensitive
device
board. Clamped input
voltage at I/O port is limited
to ± V CL (clamping voltage)
at positive resp. negative
transients.
I/O
Line capacitance to ground = 1 pF
5
2011-07-20
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