ds2156gn Maxim Integrated Products, Inc., ds2156gn Datasheet - Page 161

• Manufacturer Part Number: ds2156gn
• Description: Ds2156, Ds2156l, Ds2156ln T1/e1/j1 Single-chip Transceiver Tdm/utopia Ii Interface
• Manufacturer: Maxim Integrated Products, Inc.

23.8 Recommended Circuits
Figure 23-3. Basic Interface
Note 1: All resistor values are ±1%.
Note 2: Resistors R should be set to 60Ω each if the internal receive-side termination feature is enabled. When this feature is disabled, R =
Note 3: C = 1µF ceramic.
37.5Ω for 75Ω coaxial E1 lines, 60Ω for 120Ω twisted-pair E1 lines, or 50Ω for 100Ω twisted-pair T1 lines.
TRANSMIT
LINE
RECEIVE
LINE
2:1
1:1
R
C
0.1µF
161 of 265
R
TTIP
TRING
RTIP
RRING
DS2156
DVDD
DVSS
RVDD
TVDD
RVSS
TVSS
0.1µF
0.1µF
0.1µF
0.01µF
10µF
10µF
+
+
VDD