DS21554L+ Maxim Integrated Products, DS21554L+ Datasheet - Page 87
DS21554L+
Manufacturer Part Number
DS21554L+
Description
IC TXRX E1 1-CHIP 5V 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2154LNA2.pdf
(124 pages)
Specifications of DS21554L+
Function
Single-Chip Transceiver
Interface
E1, HDLC, J1, T1
Number Of Circuits
1
Voltage - Supply
4.75 V ~ 5.25 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
Remote and AIS Alarm Detector / Generator
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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Figure 15-6. Protected Interface Example for the DS21554
Receive
Transmit
Line
Line
Fuse
Fuse
Fuse
Fuse
NOTE 1: ALL CAPACITOR VALUES ARE IN mF.
NOTE 2: THE 10mF CAPACITOR ON TVDD IS OF TANTALUM CONSTRUCTION.
NOTE 3: THE 68mF CAPACITOR IS REQUIRED TO MAINTAIN V
COMPONENT
D1 TO D4
R1 TO R4
R1
R2
R3
R4
RTERM
FUSE
RT
C1
C2
X1
X2
S
N:1
X1
1:1
X2
SCHOTTKY DIODE, INTERNATIONAL RECTIFIER 11DQ04
0.1mF CERAMIC CAPACITOR IN PARALLEL WITH 10mF TANTALUM
CAPACITOR
0.47mF, NONPOLARIZED CERAMIC CONSTRUCTION
SEMTECH LC01-6, 6V LOW CAPACITANCE TVS
FOR MORE INFORMATION ON THE SELECTION OF THESE
COMPONENTS, REFER TO THE SEPARATE APPLICATION NOTES
ON SECONDARY OVERVOLTAGE PROTECTION AND T1/E1
NETWORK INTERFACE DESIGN AVAILABLE ON OUR WEBSITE AT
WWW.MAXIM-IC.COM/APPNOTEINDEX.
Rterm
S
Rt
Rt
0.1
C2
87 of 124
Rterm
D3
D1
470
470
+5V
C1
FUNCTION
D2
D4
TTIP
TRING
RTIP
RRING
DD
DURING A TRANSIENT EVENT.
DS21554
MCLK
DVDD
RVDD
DVSS
RVSS
TVDD
TVSS
0.01
0.1
0.1
2.048MHz
+
10
0.1
+5.0V
+
68
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