參數(shù)資料
型號(hào)： LUCL9311GP0DT
英文描述： Line Interface and Line Access Circuit Full-Feature SLIC with High Longitudinal Balance, Ringing Relay,and GR-909 Test Access
中文描述： 線(xiàn)路接口和線(xiàn)路接入電路全功能用戶(hù)接口高縱向平衡，振鈴繼電器，和GR - 909測(cè)試訪(fǎng)問(wèn)
文件頁(yè)數(shù)： 4/50頁(yè)
文件大?。?/td> 852K
代理商： LUCL9311GP0DT
Data Sheet
July 2001
Ringing Relay, and GR-909 Test Access
L9311 Full-Feature SLIC with High Longitudinal Balance,
4
Agere Systems Inc.
Features
I
SLIC, solid-state ring relay, and line test access, inte-
grated into a single package
I
5 V and battery operation
I
User-defined power control options:
— Automatic battery switch
— Power control resistor
— Package thermal capabilities
I
Minimal external components required
I
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)
I
Ultralow power:
— Scan, 15 mW
— Active states, on-hook, 75 mW
— Ring mode, on-hook, 90 mW
— Disconnect, 10 mW
I
Adjustable overhead voltage:
— Default overhead adequate for 3.14 dB into
900
overload
— Controlled rate of overhead adjustment
I
Latched parallel input data interface with reset
I
Interrupt (unlatched) based loop status monitor
I
Adjustable current limiter:
— 10 mA to 45 mA programming range
I
Adjustable loop closure detector with hysteresis:
— 4 mA detect, 2.5 mA no detect minimum, upper
limit of 15 mA detect
— Hysteresis, typical 20% of programmed on-hook
to off-hook threshold
I
Ring trip detector:
— Single-pole filtering
I
Thermal shutdown protection with hysteresis
I
Line break switch will foldover into a low-current
state under high-voltage fault conditions
I
Battery out-of-range monitor circuit:
— All-off upon loss of battery (low battery condition)
— All-off upon high battery (fault condition)
I
Longitudinal balance:
— TR-57 balance
I
Ground start:
— Tip open state
— Ring ground detector
I
Line test:
— Line test modes (ac or dc):
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
— Inject test tones through codec interface or dedi-
cated input pin
— Analog output at dedicated output pin
I
RFI/EMC-CISP-22
I
Integrated 2 Form C ring relay:
— Low impulse noise
— Current-limited switches
— Break-before-make and make-before-break
switching
I
Meets
Telcordia Technologies
* GR1089 require-
ments with external protection device
I
44-pin, surface-mount plastic package (PLCC)
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:
I
ac transmission path
I
dc feedback and functions
I
Active dc current limit
I
Active mode loop supervision
I
Thermal shutdown
* Telcordia Technologies is a registered trademark of Bell Communi-
cations Research, Inc.
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