LUCL9311AP-D AGERE [Agere Systems], LUCL9311AP-D Datasheet - Page 4

• Manufacturer Part Number: LUCL9311AP-D
• Description: Line Interface and Line Access Circuit Full-Feature SLIC with High Longitudinal Balance, Ringing Relay,and GR-909 Test Access
• Manufacturer: AGERE [Agere Systems]

Ringing Relay, and GR-909 Test Access
Features
4
SLIC, solid-state ring relay, and line test access, inte-
grated into a single package
5 V and battery operation
User-defined power control options:
— Automatic battery switch
— Power control resistor
— Package thermal capabilities
Minimal external components required
Operating states:
— Forward active
— Reverse active (controlled rate of reversal)
— Scan
— Ground start (tip open)
— All-off or disconnect
— Ring
— Line test modes (dc/ac line voltage/current)
Ultralow power:
— Scan, 15 mW
— Active states, on-hook, 75 mW
— Ring mode, on-hook, 90 mW
— Disconnect, 10 mW
Adjustable overhead voltage:
— Default overhead adequate for 3.14 dB into
— Controlled rate of overhead adjustment
Latched parallel input data interface with reset
Interrupt (unlatched) based loop status monitor
Adjustable current limiter:
— 10 mA to 45 mA programming range
Adjustable loop closure detector with hysteresis:
— 4 mA detect, 2.5 mA no detect minimum, upper
— Hysteresis, typical 20% of programmed on-hook
Ring trip detector:
— Single-pole filtering
Thermal shutdown protection with hysteresis
Line break switch will foldover into a low-current
state under high-voltage fault conditions
Battery out-of-range monitor circuit:
— All-off upon loss of battery (low battery condition)
— All-off upon high battery (fault condition)
Longitudinal balance:
— TR-57 balance
900
limit of 15 mA detect
to off-hook threshold
overload
Description
The L9311 electronic line interface and line access cir-
cuit (LILAC) provides all the functions that are neces-
sary to interface a codec to the tip and ring of a
subscriber loop, integrating the battery feed and ringing
access relay in one low-power, low-cost package. The
physical construction of the device is two chips. The
first chip is manufactured in Agere 90 V complemen-
tary bipolar integrated circuit (CBIC-S) technology. This
chip contains the SLIC functionality:
* Telcordia Technologies is a registered trademark of Bell Communi-
cations Research, Inc.
Ground start:
— Tip open state
— Ring ground detector
Line test:
— Line test modes (ac or dc):
— Inject test tones through codec interface or dedi-
— Analog output at dedicated output pin
RFI/EMC-CISP-22
Integrated 2 Form C ring relay:
— Low impulse noise
— Current-limited switches
— Break-before-make and make-before-break
Meets Telcordia Technologies * GR1089 require-
ments with external protection device
44-pin, surface-mount plastic package (PLCC)
ac transmission path
dc feedback and functions
Active dc current limit
Active mode loop supervision
Thermal shutdown
cated input pin
switching
1. Voltage tip to ground
2. Voltage ring to ground
3. Voltage tip to ring
4. Current tip to ring
5. Current tip to ground
6. Current ring to ground
Agere Systems Inc.
July 2001