CS61880-IQZ Cirrus Logic Inc, CS61880-IQZ Datasheet - Page 51

• Manufacturer Part Number: CS61880-IQZ
• Description: IC Octal E1 Line Interface Unit
• Manufacturer: Cirrus Logic Inc

DS450PP3
Notes:
120
Cable
NC
GNDIO
Cable
75
0.1 F
1)Required Capacitor between each TV+, RV+, VCCIO and TGND, RGND, GNDIO
2)Common decoupling capacitor for all TVCC and TGND pins.
respectively.
RGND
GND
R1 ( )
R2 ( )
+3.3V
Component
+
CBLSEL
0.1 F
Figure 17. Internal TX, External RX Impedance Matching
Note 1
VCCIO
One Channel
CS61880
E1 75
+3.3V
RV+
Coaxial Cable
9.31
9.31
TV+
0.1 F
Note 1
T R I N G
R R I N G
R T I P
T T I P
REF
E1 120
+
0.1 F
TGND
+
13.3k
1k
1k
Twisted Pair Cable
68 F
Note 2
15
15
GND
R1
R2
T2 1:1.15
T1 1:2
CS61880
TRANSMIT
RECEIVE
LINE
LINE
51