Datasheet
SCDS163A − MAY 2004 − REVISED MAY 2004
15
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
R
L
= 100 Ω
V
I
= 4.5 V
V
O
Switch ON
EN
†
Switch ON
†
EN is the internal enable signal applied to the switch.
NOTE A: r
on
(M1) and r
on
(M2) are calculated from the voltage drop and current across the two terminals of M1 and M2, respectively.
EN
†
M1
M2
Figure 11. Test Circuit for V
O
and r
on
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
100 Ω
V
CC
TS5L100
S
IA
0
IA
1
YA
IB
0
IB
1
YB
GND
V
CC
= 6.2 V
Z
ID
0
ID
1
YD
IC
0
IC
1
YC
0.1 µF
100 Ω
100 Ω
100 Ω
Oscilloscope
Pulse
Generator
V
I+
V
I−
V
O+
V
O−
Figure 12. Differential Crosstalk Measurement
Differential crosstalk is a measure of coupling noise between a transmit and receive pair in the LAN application.
Differential crosstalk depends on the edge rate, frequency, and load. This is calculated from the equation, X
TALK
(Diff)
db = 20 log V
O
(Diff)/V
I
(Diff), where V
O
(Diff) is the differential output voltage and V
I
(Diff) is the differential input voltage.