EPT7055A Datasheet, PDF (1/2 Pages) PCA ELECTRONICS INC. – Token Ring Transceiver Module

ELECTRONICS INC.
Token Ring Transceiver Module
EPT7055A
• Optimized for voltage source driving into 150Ω •
• Enhanced Common Mode performance over UTP •
• Robust construction allows for solder reflow processes •
• Complies with or exceeds IEEE 802.5 Requirements •
Impedance
(Ω)
[Rcv]
Chip Side
150
Cable Side
100
Insertion Loss
(dB Min.)
Electrical Parameters @ 25° C
Return Loss
(dB Min.)
Common Mode Rejection
(dB Min.)
1-16
MHz
32
MHz
36
MHz
44
MHz
1-6
MHz
6-17
MHz
17-24
MHz
1-30
MHz
30-100 100-200
MHz
MHz
Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv
-.6* -.5* -7 -1 -25 -3 -30 -3 -18 -23 -18 -20 -8 -10 -57 -40 -35 -35 -20 -20
* dB Max.
Schematic
Crosstalk
(dB Min.)
10
MHz
-50
TX1+ 2
150Ω
1 : .817
LPF
14 TXO+
TX1- 4
CT- 5
RX0+ 6
13 TXO-
9 PHA
12 RX1+
UTP
150Ω
RX0- 8
RXCT 7
1 : .817
11 RX1-
10 PHB
Package
A
Pin 1 I.D.
PCA
C
EPT7055A
Date Code
B
E
H
D
FG
I
J
Dim.
A
B
C
D
E
F
G
H
I
J
Dimensions
(Inches)
(Millimeters)
Min. Max. Nom. Min. Max. Nom.
1.480
.255
.440
1.300
.010
.100
.130
.020
.010°
.127
1.500
.275
.460
Typ.
.015
Typ.
.150
.024
Typ.
.137
37.60
6.48
11.43
33.02
.254
3.18
3.30
.508
.254
3.23
38.10
6.99
11.68
Typ.
.381
Typ.
3.81
.610
Typ.
3.48
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CST7055Aa Rev. D 6/2/97
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: [phone]
FAX: [phone]
http://www.pca.com