hc9p5502b1-5 Intersil Corporation, hc9p5502b1-5 Datasheet - Page 9

• Manufacturer Part Number: hc9p5502b1-5
• Description: Slic Subscriber Line Interface Circuit
• Manufacturer: Intersil Corporation

Applications Diagram
Typical Component Values
C
C
C
C
C
C
C
C
NOTES:
10. All grounds (AG, BG, and DG) must be applied before V
6. C
7. To obtain the specified transhybrid loss it is necessary for the three legs of the balance network, C
8. A 0.5 F and 100k gives a time constant of 50ms. The uncommitted op amp output is internally clamped to stay within 6.6V and is current
9. Secondary protection diode bridge recommended is a 2A, 200V type.
SUBSCRIBER
1
2
3
4
5
6
8
9
RING GENERATOR
150V PEAK (MAX)
PIN NUMBERS GIVEN FOR DIP/SOIC PACKAGE.
= 0.5 F (Note 6).
= 0.15 F, 10V.
= 0.3 F, 30V.
= 0.5 F to 1.0 F, 10%, 20V (Should be nonpolarized).
= 0.5 F, 20V.
= C
= 0.01 F, 100V.
= 0.01 F, 20V, 20%.
impedance to within 0.3%. Thus, if C
a -22V step when the loop is closed. Too large a value for C
Filter/CODEC.
limited.
to run separate grounds off a line card, the AG must be applied first.
1
is an optional capacitor used to improve V
7
LOOP
RING
= 0.5 F (10% Match Required) (Note 7), 20V.
TIP
PTC
PRIMARY
TECTION
PRO-
Z
1
12V
R
S
FIGURE 1. TYPICAL LINE CIRCUIT APPLICATION WITH THE MONOLITHIC SLIC
4-9
R
B3
C
S
RING
RELAY
R
B4
R
6
R
B1
and C
B2
V
B
-
10
8
1
9
2
7
B
are 1 F each, a 20% match is adequate. It should be noted that the transmit output to C
15
+ supply rejection. This pin must be left open if unused.
POWER
DENIAL
RING FEED
RING
RD
TIP
TIP FEED
BATT.
NEG.
-48V
11
C8
SYSTEM CONTROLLER
SWITCH
DETECT
13
HOOK
BATT.
GND.
B
+ or V
12
HC-5502B1
HC-5502B1
6
may produce an excessively long transient at the op amp output to the PCM
GROUND
DETECT
SLIC
14
GND.
B
DIG.
KEY
-. Failure to do so may result in premature failure of the part. If a user wishes
6
OP AMP
GND.
ANA.
R
value), Z
R
absolute value).
R
line length.
Z
generator ballast.
SYNC
7
RING
TRANSMIT
1
1
B1
S
23
RECEIVE
= 150V to 200V transient protection. PTC used as ring
= R
= 1k , C
C
= R
9
SUPP.
RING
CMD
POS.
OUT
2
+IN
V
-IN
C1
C2
C3
C4
B2
= R
B
B
16
3
+
= 0 for 600 Terminations (Note 7).
= R
S
3
21
24
20
19
18
4
17
5
22
C
= 100k (0.1% Match Required, 1% absolute
= 0.1 F, 200V typically, depending on V
4
B3
C
3
= R
C
2
B4
BALANCE NETWORK
C
6
= 150 (0.1% Match Required, 1%
C
R
1
-R
R
6
1
2
1
C
and R
5
ZB
2
C
R
and C
7
3
7
-Z
FILTER/
CODEC
B
PCM
-R
3
, to match in
SWITCHING
NETWORK
RING
6
sees
and