2451ZA Datasheet, PDF (3/8 Pages) Gennum Corporation – Protects one high speed data line

RClamp2451ZA
PROTECTION PRODUCTS
Typical Characteristics
ESD Clamping (+8kV Contact per IEC 61000-4-2)
100
Measured with 50 Ohm scope input
impedance, 2GHz bandwidth. Corrected
80
for 50 Ohm, 20dB attenuator. ESD gun
return path connected to ESD ground plane.
60
ESD Clamping (-8kV Contact per IEC 61000-4-2)
20
0
-20
40
-40
20
0
-20
-10
30
25
20
0
10 20 30 40 50 60 70 80
Time (ns)
TLP Characteristic (Positive)
Transmission Line Pulse Test
(TLP) Settings:
t_p = 100ns, t_r = 0.2ns,
I_TLP and V_TLP averaging window:
t₁ = 70ns to t₂ = 90ns
-60
Measured with 50 Ohm scope input
-80
impedance, 2GHz bandwidth. Corrected
for 50 Ohm, 20dB attenuator. ESD gun
return path connected to ESD ground plane.
-100
-10
0
10 20 30 40 50 60 70 80
Time (ns)
TLP Characteristic (Negative)
5
0
-5
15
-10
10
-15
5
-20 _{Transmission Line Pulse Test}
(TLP) Settings:
0
-25
t_p = 100ns, t_r = 0.2ns,
I_TLP and V_TLP averaging window:
t₁ = 70ns to t₂ = 90ns
-5
-30
0
5
10
15
20
25
30
-30
-25
-20
-15
-10
-5
0
Clamping Voltage (V)
Clamping Voltage (V)
Junction Capacitance vs. Reverse Voltage
0.5
0.0
‐0.5
0.4
‐1.0
‐1.5
0.3
‐2.0
0.2
‐2.5
0.1
0.0
0
5
10
Voltage (V)
© 2014 Semtech Corporation
f = 1MHz
15
20
‐3.0
‐3.5
‐4.0
0.01
3
Typical Insertion Loss (S21)
0.1
1
Frequency (GHz)
10
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