LUCL9310AP-D AGERE [Agere Systems], LUCL9310AP-D Datasheet - Page 13

• Manufacturer Part Number: LUCL9310AP-D
• Description: Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device
• Manufacturer: AGERE [Agere Systems]

July 2001
Agere Systems Inc.
Pin Information
Table 1. Pin Descriptions (continued)
Pin
37
38
39
40
41
42
43
44
Symbol
AGND
RCVP
RCVN
VITR
TXN
ITR
V
TXI
CC
(continued)
Type
O
G
P
I
I
I
I
I
Transmit Gain. A current output which is proportional to the differential current
flowing from tip to ring. Input to AX amplifier. Connect a resistor from this node to
VTX to set transmit gain to 300 . Hybrid reject of meter pulse is done by a resis-
tor from this node to PPMOUT. Gain shaping for termination impedance with a
COMBO I codec is also achieved with a network from this node to VTX.
Transmit ac Input (Inverting). For higher-voltage meter pulse signals (5 Vrms),
connect a network to this node for meter pulse filtering. If lower-voltage meter
pulse is used and meter pulse rejection is done via PPMOUT, this node is not
used. This node has an internal connection to V
unused.
Transmit ac Input (Noninverting). Connect a 0.1 F capacitor from this pin to
VTX for dc blocking.
Transmit ac Output Voltage. The output is a voltage that is directly proportional
to the differential ac tip/ring current. This output is connected via a proper inter-
face network to the codec.
Receive ac Signal Input (Noninverting). This high-impedance input controls
the ac differential voltage on tip and ring.
Receive ac Signal Input (Inverting). This high-impedance input controls the ac
differential voltage on tip and ring.
Analog Ground. Ground return for V
5 V Analog Power Supply. 5 V supply for analog circuitry.
Full-Feature SLIC, Ringing Relay, and Test Access Device
Name/Function
CC
current.
REF
; thus, it may be left floating if
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