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参数资料
| 型号： | PBL386202QNS |
| 厂商： | ERICSSON |
| 英文描述： | Subscriber Line Interface Circuit |
| 中文描述： | 用户线接口电路 |
| 文件页数： | 8/16页 |
| 文件大小： | 135K |
| 代理商： | PBL386202QNS |
PBL 386 20/2
8
Pin Description
Figure 8. Pin configuration, 24-pin SSOP, 24-pin SOIC and 28 pin PLCC package, top view.
Refer to figure 8.
PLCC
Symbol
Description
1
PTG
P
rog.
T
ransmit
G
ain. Left open transmit gain = 0.0 dB, connected to AGND transmit gain = -6.02 dB.
2
RRLY
R
ing
R
e
l
a
y
driver output. The relay coil may be connected to maximum +14V.
3
HP
Connection for
H
igh
P
ass filter capacitor, C
HP
. Other end of C
HP
connects to TIPX.
N
o internal
C
onnection.
The TIPX and RINGX pins connect to the tip and ring leads of the two-wire interface via overvoltage
protection components and ring relay (and optional test relay).
B
attery
G
rou
nd
, should be tied together with AGND.
The TIPX and RINGX pins connect to the tip and ring leads of the two-wire interface via overvoltage
protection components and ring relay (and optional test relay).
4
5
NC
RINGX
6
7
BGND
TIPX
8
VBAT
Bat
tery supply
V
oltage. Negative with respect to AGND.
9
VBAT2
An optional second (2)
Bat
tery
V
oltage connects to this pin.
10
PSG
P
rogrammable
S
aturation
G
uard. The resistive part of the DC feed characteristic is not used for
PBL 386 20/2, RSG = 0
.
11
NC
N
o internal
C
onnection.
12
LP
Connection for
L
ow
P
ass filter capacitor, C
LP
. Other end of C
LP
connects to VBAT.
Input to the ring trip comparator. With DR more positive than DT the detector output, DET, is at logic
level low, indicating off-hook condition. The external ring trip network connects to this input.
13
DT
1
2
3
4
5
6
7
8
9
10
11
24
23
22
21
20
19
18
17
16
15
14
RRLY
PTG
HP
RINGX
BGND
TIPX
VBAT
LP
POV
VTX
AGND
C2
RSN
REF
PLD
VCC
C1
DT
PSG
PLC
VBAT2
DET
12
13
DR
C3
24-pin SOIC
and
24-pin SSOP
5
6
7
8
9
10
11
25
24
23
22
21
20
19
4
3
2
1
2
2
2
1
1
1
1
1
1
1
P
R
H
N
BGND
TIPX
VBAT
VBAT2
PSG
L
NC
D
D
C
C
C
D
NC
PLD
POV
PLC
REF
NC
A
V
R
VCC
RINGX
28-pin PLCC
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PBL38620-2QNS | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Subscriber Line Interface Circuit |
| PBL386202QNT | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Subscriber Line Interface Circuit |
| PBL38620-2QNT | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Subscriber Line Interface Circuit |
| PBL386202SHT | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Subscriber Line Interface Circuit |
| PBL38620-2SHT | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Subscriber Line Interface Circuit |
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