CS61884-IQZ Cirrus Logic Inc, CS61884-IQZ Datasheet - Page 51

• Manufacturer Part Number: CS61884-IQZ
• Description: IC,PCM TRANSCEIVER,OCTAL,CEPT PCM-30/E-1,QFP,144PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc

Specifications of CS61884-IQZ

• Rohs Compliant: YES

18. APPLICATIONS
DS485F1
Notes:1) Required Capacitor between each TV+, RV+, VCCIO and TGND, RGND, GNDIO respec-
120 Ω
Cable
100 Ω
Cable
NC
75 Ω
0 . 1 µ F
2) Common decoupling capacitor for all TVCC and TGND pins.
GNDIO
tively.
+3.3V
RGND
+3.3V
R1 (Ω)
R2 (Ω)
+
Component
0 .1 µ F
Note 1
VCCIO
CBLSEL
Figure 17. Internal RX/TX Impedance Matching
One Channel
CS61884
+3.3V
RV+
Twisted Pair
T1/J1 100Ω
Cable
15
15
TV+
0 .1 µ F
Note 1
R R I N G
T R I N G
Coaxial
E1 75Ω
Cable
R T I P
T T I P
15
15
REF
+
0 . 1 µ F
TGND
13.3k Ω
Twisted Pair
+
E1 120Ω
Cable
15
15
6 8 µ F
Note 2
GND
R1
R2
T2 1:2
T1 1:2
TRANSMIT
CS61884
RECEIVE
LINE
LINE
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