Datasheet


W   
SCDS174B − AUGUST 2004 – REVISED MAY 2005
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18
V
+
GND
NC or NO
IN
R
GEN
V
I
NC or NO
COM V
COM
C
L
(2)
OFF
V
COM
ON OFF
∆V
COM
V
GEN
+
V
I
= V
IH
or V
IL
C
L
= 0.1 nF
V
GEN
= 0 to V
+
R
GEN
= 0
Q
C
= C
L
× ∆V
COM
Logic
Input
(1)
V
IH
V
IL
Logic
Input
(V
I)
(1)
All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
< 5 ns, t
f
< 5 ns.
(2)
C
L
includes probe and jig capacitance.
Figure 20. Charge Injection (Q
C
)
V
+
GND
NC
NO
COM
10 mF
R
L
C
L
(1)
R
L
= 600 Ω
C
L
= 50 pF
V
SOURCE
= V
+
P-P
f
SOURCE
= 600 Hz to 20 kHz
R
L
V
SOURCE
V
+
/2
Analyzer
10 mF
Channel ON: COM to NC
V
O
IN
V
I
+
V
I
= V
IH
or V
IL
(1)
C
L
includes probe and jig capacitance.
Figure 21. Total Harmonic Distortion (THD)