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參數(shù)資料
| 型號(hào)： | HC5523 |
| 廠商： | Intersil Corporation |
| 英文描述： | LSSGR/TR57 CO/Loop Carrier SLIC with Low Power Standby |
| 中文描述： | LSSGR/TR57文書主任/河套低功耗待機(jī)載波用戶接口 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大?。?/td> | 176K |
| 代理商： | HC5523 |
58
LONGITUDINAL CURRENT LIMIT (TIP/RING)
Off-Hook (Active)
No False Detections, (Loop Current),
LB > 45dB (Note 4, Figure 3A)
27
-
-
mA
PEAK
/
Wire
On-Hook (Standby), R
L
=
∞
No False Detections (Loop Current)
(Note 5, Figure 3B)
8.5
-
-
mA
PEAK
/
Wire
FIGURE 3A. OFF-HOOK
FIGURE 3B. ON-HOOK
FIGURE 3. LONGITUDINAL CURRENT LIMIT
OFF-HOOK LONGITUDINAL BALANCE
Longitudinal to Metallic
IEEE 455 - 1985, R
LR
, R
LT
= 368
0.2kHz < f < 4.0kHz (Note 6, Figure 4)
58
70
-
dB
Longitudinal to Metallic
R
LR
, R
LT
= 300
, 0.2kHz < f < 4.0kHz (Note
6, Figure 4)
58
70
-
dB
Metallic to Longitudinal
FCC Part 68, Para 68.310
0.2kHz < f < 1.0kHz
50
55
-
dB
1.0kHz < f < 4.0kHz (Note 7)
50
55
-
dB
Longitudinal to 4-Wire
0.2kHz < f < 4.0kHz (Note 8, Figure 4)
58
70
-
dB
Metallic to Longitudinal
R
LR
, R
LT
= 300
, 0.2kHz < f < 4.0kHz (Note
9, Figure 5)
50
55
-
dB
4-Wire to Longitudinal
0.2kHz < f < 4.0kHz (Note 10, Figure 5)
50
55
-
dB
FIGURE 4. LONGITUDINAL TO METALLIC AND
LONGITUDINAL TO 4-WIRE BALANCE
FIGURE 5. METALLIC TO LONGITUDINAL AND 4-WIRE TO
LONGITUDINAL BALANCE
2-Wire Return Loss
C
HP
= 20nF
0.2kHz to 0.5kHz (Note 11, Figure 6)
25
-
-
dB
0.5kHz to 1.0kHz (Note 11, Figure 6)
27
-
-
dB
1.0kHz to 3.4kHz (Note 11, Figure 6)
23
-
-
dB
Electrical Specifications
T
A
= -40
o
C to 85
o
C, V
CC
= +5V
±
5%, V
EE
= -5V
±
5%, V
BAT
= -48V, AGND = BGND = 0V, R
DC1
= R
DC2
= 41.2k
,
R
D
= 39k
, R
SG
= 0
, R
F1
= R
F2
= 0
, C
HP
= 10nF, C
DC
= 1.5
μ
F, Z
L
= 600
, Unless Otherwise Specified. All pin
number references in the figures refer to the 28 lead PLCC package.
(Continued)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
R
DC2
41.2k
R
DC1
41.2k
C
DC
1.5
μ
F
E
L
-5V
39k
368
368
C
2.16
μ
F
A
TIP
27
RSN
16
RING
28
R
DC
14
DET
R
D
A
R
DC2
41.2k
R
DC1
41.2k
C
DC
1.5
μ
F
E
L
-5V
39k
368
368
A
TIP
27
RSN
16
RING
28
R
DC
14
DET
R
D
C
2.16
μ
F
C
2.16
μ
F
A
R
T
600k
R
RX
E
L
V
TR
300k
C
R
LT
R
LR
V
TX
2.16
μ
F
TIP
27
V
TX
19
RING
28
RSN
16
R
T
600k
R
RX
E
TR
V
L
300k
C
R
LT
R
LR
E
RX
300
300
2.16
μ
F
TIP
27
V
TX
19
RING
28
RSN
16
HC5523
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