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CS61881-IB View Datasheet(PDF) - Cirrus Logic

Part Name
Description
MFG CO.
CS61881-IB
Cirrus-Logic
Cirrus Logic 
CS61881-IB Datasheet PDF : 28 Pages
First Prev 21 22 23 24 25 26 27 28
CS61881
+
68µF
Note 2 RGND
+3.3V
+
0.1µF
GNDIO
+3.3V
0.1µF
RV+
VCCIO
+
0.1µF
Note 1
TGND
TV+
RTIP
1k
0.1µF
CS61881
RRING
TRING
TTIP
1k
R1
RECEIVE
LINE
R2
T1
1:2
TRANSMIT
LINE
T2 1:1.15
NC
120
Cable
GND
75
Cable
CBLSEL
13.3k
REF
GND
Figure 10. External RX Impedance Matching
Component
R1 ()
R2 ()
E1 75 Coaxial Cable
9.31
9.31
E1 120 Twisted Pair Cable
15
15
Notes: 1) Required Capacitor between each TVCC, RVCC, VCCIO and TGND, RGND, GNDIO respectively.
2) Common decoupling capacitor for all TVCC and TGND pins.
DS451PP3
27

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