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參數資料
| 型號： | LUCL9219AAR-DT |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:2; Connector Shell Size:16; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| 中文描述： | 低成本線接口，具有反向電池和雙電流限制 |
| 文件頁數： | 1/30頁 |
| 文件大小： | 397K |
| 代理商： | LUCL9219AAR-DT |
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Data Sheet
November 2001
L9219A/G Low-Cost Line Interface
with Reverse Battery and Dual Current Limit
Features
s
Basic forward/reverse battery SLIC functionality at
a low cost
s
Pin compatible with Agere Systems Inc. L9217 and
L9218 SLICs
s
Low active power (typical 138 mW during on-hook
transmission)
s
Low-power scan mode for low-power, on-hook
power dissipation (52 mW typical)
s
Distortion-free, on-hook transmission
s
Convenient operating states:
— Forward active-low current limit
— Forward active-high current limit
— Reverse active-low current limit
— Reverse active-high current limit
— Low-power scan
— Disconnect (high impedance)
s
Minimal external components required
s
Two gain options to optimize the codec interface
s
Adjustable supervision functions:
— Off-hook detector with hysteresis
— Ring trip detector
s
Logic controlled high and low current limit
s
Ramped rate of battery reversal
s
Thermal protection with thermal shutdown indica-
tion
Description
This general-purpose electronic subscriber loop
interface circuit (SLIC) is optimized for low cost, while
still providing a satisfactory set of features. This part
is a pin-for-pin replacement for the Agere L9217 and
L9218 SLICs.
The L9219 requires a 5 V power supply and single
battery to operate. This device offers forward and
reverse battery operation. The rate of battery rever-
sal may be ramped to meet international require-
ments. Additionally, a low-power scan mode, wherein
all circuitry except the off-hook supervision is shut
down to conserve power, is available.
The dc current limit may be programmed via a single
external resistor. Via the logic table, the current limit
may be increased a nominal 42% above the value
set by the IPROG resistor, giving the user a high-low
current limit option.
Device overhead is fixed and is adequate for
3.14 dBm into 900
of on-hook transmission.
Both the loop supervision and ring trip supervision
functions are offered with user-controlled thresholds
via external resistors.
The L9219 is offered with a receive gain that is opti-
mized for interface to a first-generation type codec
(L9219A). It is also offered with a gain option that is
optimized for interface to a third- or fourth-generation
type codec (L9219G). In both cases, minimizing
external components required at this interface.
Data control is via a parallel data control scheme.
The device is available in a 28-pin PLCC package. It
is built by using a 90 V complementary bipolar
(CBIC) process.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LUCL9219GAR-D | 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface with Reverse Battery and Dual Current Limit |
| LUCL9219GAR-DT | 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface with Reverse Battery and Dual Current Limit |
| LUCL9310AP-D | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device |
| LUCL9310AP-DT | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device |
| LUCL9310GP-D | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device |
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