CS61880-IB View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CS61880-IB' PDF : 70 Pages View PDF
CS61880
18. APPLICATIONS
+3.3V
RGND
0.1 µF
Note 1
0.1 µF
Note 1
++
TGND
68 µF
Note 2
+3.3V
0.1 µF +
GNDIO
75 Ω +3.3V
Cable
NC
120 Ω
Cable
RV+
VCCIO
TV+
R TIP
0.1 µF
R RIN G
CS61880
One Channel
TRIN G
T TIP
R1
R2
T1 1:2
RECEIVE
LINE
T2 1:1.15
TRANSMIT
LINE
CBLSEL
13.3k Ω
REF
GND
Component
R1 (Ω)
R2 (Ω)
E1 75Ω Coaxial Cable
15
15
E1 120Ω Twisted Pair Cable
15
15
Notes:1) Required Capacitor between each TV+, RV+, VCCIO and TGND, RGND, GNDIO respec-
tively.
2) Common decoupling capacitor for all TVCC and TGND pins.
Figure 16. Internal RX/TX Impedance Matching
50
DS450PP2
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