參數(shù)資料
型號(hào): PEF22554E
廠商: INFINEON TECHNOLOGIES AG
元件分類(lèi): 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁(yè)數(shù): 26/30頁(yè)
文件大?。?/td> 914K
代理商: PEF22554E
QuadFALC
PEF 22554
Electrical Characteristics
Delta Sheet
26/30
2002-09-16
2.3
Changed DC Characteristics
Parameter
Symbol
Limit Values
min.
2.0
Unit Notes
max.
3.46
290
Input high voltage
Average power
supply current
(analog line interface
mode)
V
IH
I
DDE1
V
mA
E1 application
LIM1.DRS = 0
T1 application
LIM1.DRS = 0
LIM1.DRS = 1
2)
I
DDT1
285
mA
Average power
supply current
(digital line interface
mode)
Transmitter leakage
current
I
DD3.3V
I
DDC
20
1)
90
1)
In single voltage supply mode (see
Figure 1
) maximum
I
DD3.3V
= 110 mA
2)
System interface at 16 MHz; all-ones data;
T
A
= 85°C
3)
To achieve maximum receiver sensitivity of -43 dB (E1) take special care on sufficient attenuation of crosstalk
between Rx and Tx on board (e.g. in transformer) and run sequence as specified in
Table 4
on
Page 14
mA
mA
I
TL
15.0
μ
A
XL1/2 =
V
DDX
;
XPM2.XLT = 1
XL1/2 =
V
SSX
;
XPM2.XLT = 1
RL1, RL2
LIM0.EQON = 1
RIL(2:0) = 000
6)
RIL(2:0) = 001
6)
RIL(2:0) = 010
7)
RIL(2:0) = 011
6)
RIL(2:0) = 100
6)
RIL(2:0) = 101
6)
RIL(2:0) = 110
6)
RIL(2:0) = 111
6)
15.0
μ
A
Receiver sensitivity
E1 long haul
Loss of signal (LOS)
detection limit
4)5)
S
RLH
43
3)
dB
4)
Differential input voltage between pins RL1 and RL2
5)
Values only valid for LIM0.EQON = 1, LOS detection limits set to PCR = 15
H
, PCD = A
H
, applied signal
sequence +1,0,-1,0,...
V
LOS
1.25
0.84
0.45
0.26
0.15
0.10
0.07
0.04
2.25
1.07
0.58
0.33
0.21
0.14
0.09
0.06
V
6)
Parameter not tested in production
7)
Value measured in production to fulfil ITU-T G.775
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