參數(shù)資料
型號: PEF4065
廠商: SIEMENS A G
元件分類: 模擬傳輸電路
英文描述: High Voltage Subscriber Line IC
中文描述: TELECOM-SLIC, PDSO20
文件頁數(shù): 21/29頁
文件大?。?/td> 237K
代理商: PEF4065
PEB/F 4065
Electrical Characteristics
Semiconductor Group
21
1998-03-01
Note: Exceeding the min./max. limits can cause stability problems!
Table 9
External Elements in the Application Circuit (Figure 5)
Typical values are used in the test circuits, unless otherwise specified.
Ext. Part
Function
Typ. Value Tolerance
Limit Values
min.
Comment
max.
50 k
R
1
Biasing,
current
reference
25 k
power
dissipation
increases with
smaller
R
1
clipping for
I
T
×
R
2
> 3 V
or
I
L
×
R
3
> 3 V
R
2
,
R
3
I
T
,
I
L
gain
adjustment
1 k
0.1% (rel.) –
R
S
Protection,
isolation of
capacitive
load
Protection
C for the
internal
supply
voltage filter
50
0.1% (rel.) 30
R
5
,
R
6
C
1
50
22
μ
F
(
f
3dB
3 Hz)
0.1% (rel.) –
20%
f
3dB
increases
with smaller
C
1
,
causing worse
low frequency
PSRR from
V
BAT
10 nF
C
S
Suppression
of voltage
spikes,
frequency
compensation
V
DD
,
V
SS
supply
voltage
blocking
V
H
blocking
15 nF
5% (rel.)
200 pF 20 nF
C
2
,
C
3
1
μ
F
20%
10 nF
C
2
,
C
3
> 1
μ
F
and
C
4
C
5
allows arbitrary
switching
sequence of all
supply voltages
incl.
ground
C
4
100 nF
C
5
V
BAT
blocking 100 nF
20%
100 nF –
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