DS8830_15 Datasheet, PDF (9/19 Pages) Texas Instruments – DUAL DIFFERENTIAL LINE DRIVERS

A
Inputs
B
C
D
VCC = 5 V
1/2 ’183
DS8830, SN55183, SN75183
DUAL DIFFERENTIAL LINE DRIVERS
SLLS093D – OCTOBER 1972 – REVISED APRIL 1998
APPLICATION INFORMATION
VCC = 5 V
Inverting
1/2 ’182
Z
Input
0.002 µF
(see Note A)
RT
Y
Twisted
Pair
Noninverting
Input Strobe
Output
Resp Time Cont
100 pF
(see Note B)
GND
GND
NOTES: A. When the inputs are open circuited, the output is high. A capacitor may be used for dc isolation of the line-terminating resistor.
At the frequency of operation, the impedance of the capacitor should be relatively small.
Example: let f = 5 MHz
C = 0.002 µF
+ + Z_(circuit)
[ ^pW ^pǒ Z_(circuit)
1
2 fC
16
25
Ǔǒ ¹
10⁶ 0.002
Ǔ ₁₀*6
B. Use of a capacitor to control response time is optional.
Figure 8. Transmission of Digital Data Over Twisted-Pair Line
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
9