EL2252C
Dual 50 MHz Comparator/Pin Receiver
EL2252C Macromodel
a
* Connections:
input
b
*
input
l
l
l
l
l
l
a
*
V
l
l
l
l
l
b
*
V
l
l
l
l
*
HYS
l
l
l
*
TTL
l
l
*
output
l
*
.subckt M2252
l
2
l
3
l
14
l
7
l
4
l
5
l
13
*
* Application Hints:
*
* Connect pin 4 to ground through 1000 MX resistor to inhibit
b
* Hysteresis; to invoke Hysteresis, connect pin 4 to V
.
*
* Connect pin 5 to ground to invoke TTL V ; pin 5 may left open
OH
* for CMOS V
.
OH
*
e
e
* To facilitate .OP, set itl1 200, itl2 200, set node 27 to 13.8V,
b
* and node 30 to 12V.
*
*Input Stage
*
i1 22 7 1.7mA
r1 14 20 300
r2 14 21 300
q1 20 2 22 qn
q2 21 3 22 qn
q3 20 26 23 qn
q4 21 25 23 qn
q13 25 27 20 qp
q14 26 27 21 qp
v1 14 27 1.2V
r3 23 24 1.4k
d1 24 4 ds
r4 25 33 700
r5 26 33 700
q16 33 33 34 qn
q17 34 34 37 qn
v4 37 7 1.2V
*
* 2nd Stage
*
i2 30 7 3mA
i3 14 28 1.5mA
q7 0 35 28 qp
v2 44 0 1.2V
s1 44 35 5 0 swa
s2 45 35 5 0 swb
rsw 14 5 10k
11
ELANTEC [ ELANTEC SEMICONDUCTOR ]
