HI-1569
TRANSMITTER
TXA/B
TXA/B
TXINHA/B
52.5
W
(.75 Zo)
35
W
(.5 Zo)
52.5
W
(.75 Zo)
BUSA/B OUT
1:1.79
Point
“A
T
”
1:1.4
52.5
W
(.75 Zo)
35
W
(.5 Zo)
BUSA/B OUT
Isolation
Transformer
Point
“A
T
”
1.79:1
Coupling
Transformer
52.5
W
(.75 Zo)
1.4:1
RECEIVER
RXA/B
RXA/B
Coupling
Transformer
Isolation
Transformer
RXENA/B
Figure 3. Transformer Coupled Test Circuits
ORDERING INFORMATION
HI - 1569PQ x x (Plastic)
PART
NUMBER
LEAD
FINISH
Blank
F
PART
NUMBER
Tin / Lead (Sn / Pb) Solder
100% Matte Tin (Pb-free, RoHS compliant)
TEMPERATURE
RANGE
FLOW
BURN
IN
I
T
M
PART
NUMBER
-40°C TO +85°C
-55°C TO +125°C
-55°C TO +125°C
I
T
M
NO
NO
YES
RXENA = 0 RXENB = 0 PACKAGE
RXA RXA RXB RXB DESCRIPTION
1567PQ
0
0
0
0
64 PIN PLASTIC PQFP
HOLT INTEGRATED CIRCUITS
6