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參數(shù)資料
| 型號： | PBL385822SOT |
| 廠商： | ERICSSON |
| 英文描述： | Telephone Line interface circuit for DECT, DAM, CT Unisolated or Isolated |
| 中文描述： | 電話線接口電路面向DECT，大壩，或孤立的CT Unisolated |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 134K |
| 代理商： | PBL385822SOT |
1
December 1999
PBL 38582
Telephone Line interface circuit for
DECT, DAM, CT
Unisolated or Isolated
Description
PBL 38582 is a monolithic bipolar integrated circuit for use as telephone line interface in
unisolated or isolated DECT and other cordless telephone residential base stations and
in analog / digital answering machines or as second line in an unisolated DECT telephone
base station.
Transmit and receive gains are set by external components. On / Off switchable gain,
related to line, regulation for different current feeds can be set by external resistors.
Typical current feeds as 48 V, 2 200 ohm, 48 V 2 400 ohm and 60 V 2 600 ohm can
be handled. Application dependent parameters such as line balance, impedance to the
line and frequency response are set by external components. Parameters are set
independently which results in an easy adoption for various market needs.
Key Features
Minimum number of inexpensive
external components, 5 capacitors
and 4 resistors.
Current range
5 - 130 mA(DIL),
5 - 100 mA(20-pin SO)
5 - 70 mA(16-pin SO) 385 82/2
Operation voltage range
down to 2 V.
Short start-up time.
Figure 1. Functional diagram. DIP package.
18-pin plastic DIP
3
1
4
+
2
Telephone
1
2
14,16
15
18
17
RECEIVE
TRANSMIT
PBL 38582
Reference
Limiter
DC
Fast start - up
6
5,
20-pin plastic SO
16-pin plastic SO
PBL38582
PBL38582
PBL38582
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