DS2154LN+ Maxim Integrated Products, DS2154LN+ Datasheet - Page 66

• Manufacturer Part Number: DS2154LN+
• Description: IC TXRX E1 1CHIP 5V ENH 100-LQFP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of DS2154LN+

• Number Of Drivers/receivers: 1/1
• Protocol: E1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 13-1. External Analog Connections
NOTE 1: RESISTOR VALUES ARE ±1%.
NOTE 2: THE R
NOTE 3: THE R
NOTE 4: FOR 75Ω TERMINATION, R
NOTE 5: SEE THE SEPARATE APPLICATION NOTE FOR DETAILS ON HOW TO CONSTRUCT A PROTECTED INTERFACE.
NOTE 6: EITHER A CRYSTAL CAN BE APPLIED ACROSS THE MCLK AND XTALD PINS OR A TTL LEVEL CLOCK CAN BE APPLIED TO JUST MCLK.
NOTE 7: C1 AND C2 SHOULD BE 5PF LOWER THAN TWO TIMES THE NOMINAL LOADING CAPACITANCE OF THE CRYSTAL TO ADJUST FOR THE
INPUT CAPACITANCE OF THE DS2154.
T
R
RESISTORS ARE USED TO INCREASE THE TRANSMITTER RETURN LOSS OR TO PROTECT THE DEVICE FROM OVERVOLTAGE.
RESISTORS ARE USED TO TERMINATE THE RECEIVE E1 LINE.
R
= 37.4Ω; FOR 120Ω TERMINATION R
66 of 87
R
= 60Ω.
DS2154