HC5515 Intersil Corporation, HC5515 Datasheet - Page 16

• Manufacturer Part Number: HC5515
• Description: ITU CO/PABX SLIC with Low Power Standby
• Manufacturer: Intersil Corporation

Pin Descriptions
Pinouts
PLCC
17, 24
3, 10
20
21
22
23
25
26
27
28
RINGRLY
V
R
DET
BAT
N/C
NC
SG
E0
PDIP
22
1
2
3
4
5
6
10
11
5
6
7
8
9
TIP
SYMBOL
RINGX
TIPX
12
HPR
HPT
N/C
4
RD
DR
SENSE
DT
13
3
TOP VIEW
(Continued)
HC5515
(PLCC)
14
2
70
RING side of AC/DC separation capacitor C
loop current. The other end of C
TIP side of AC/DC separation capacitor C
current. The other end of C
Loop current programming resistor. Resistor R
C
Input to ring trip comparator. Ring trip detection is accomplished by connecting an external network to a comparator
in the SLIC with inputs DT and DR.
Input to ring trip comparator. Ring trip detection is accomplished by connecting an external network to a comparator
in the SLIC with inputs DT and DR.
Internally connected to output of tip power amplifier.
Output of tip power amplifier.
Output of ring power amplifier.
No internal connection.
D
15
1
is also connected between this pin and V
28
16
27
17
26
18
25
24
23
22
21
20
19
HP
DR
N/C
DT
RD
HPT
HPR
V
TX
is connected to HPR.
HP
HC5515
is connected to HPT.
HP
HP
. C
EE
D
. C
HP
.
sets the trigger level for the loop current detect circuit. A filter capacitor
HP
is required to properly separate the tip AC current from the DC loop
DESCRIPTION
is required to properly separate the ring AC current from the DC
RINGRLY
RINGX
BGND
V
TIPX
HPT
R
V
BAT
RD
DR
DT
CC
SG
10
11
1
2
3
4
5
6
7
8
9
TOP VIEW
HC5515
(PDIP)
22
21
20
19
18
17
16
15
14
13
12
HPR
V
V
RSN
AGND
R
C1
C2
DET
E0
NC
TX
EE
DC