CPC1465D Clare, CPC1465D Datasheet - Page 11

IC DC TERMINATION 16-SOIC

CPC1465D

Manufacturer Part Number
CPC1465D
Description
IC DC TERMINATION 16-SOIC
Manufacturer
Clare
Datasheet

Specifications of CPC1465D

Function
DC Signal Termination
Interface
ISDN, SHDSL
Number Of Circuits
1
Power (watts)
1W
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC
Includes
Optocoupler
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Voltage - Supply
-
Lead Free Status / Rohs Status
Compliant
Other names
CLA206
CPC1465D

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2.5 Photo-Diode (PD) Output Behavior
Output from the PD pin provides a minimum of 0.2 mA
of photo-diode drive current for the opto-coupler LED
anytime sealing current exceeds 1 mA.
Because LED current is interrupted whenever loop
current is interrupted, the opto-coupler provides an
excellent means of indicating loop availability for
designs with a sealing current requirement.
2.6 On-State Behavior
2.6.1 Typical Conditions
On-state sealing current levels are determined by the
network’s power feed circuit and the loop’s dc
impedance. To compensate for low loop resistance or
very high loop voltage, the CPC1465 limits the
maximum sealing current to 70 mA.
The CPC1465 manages package power dissipation
by shunting excess sealing current through the 2.2 kΩ
4W power resistor located between the PR+ and PR-
pins.
2.6.2 Over-Voltage Conditions
Potentials in excess of 100 V applied to the tip and
ring interface will cause the CPC1465 to disable the
sealing current hold circuit and enter a standby state
with very little current draw. Once the over-voltage
condition is removed, the CPC1465 automatically
resumes normal operation.
R02
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11

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