HC-5509A1 Intersil Corporation, HC-5509A1 Datasheet - Page 10

• Manufacturer Part Number: HC-5509A1
• Description: Slic Subscriber Line Interface Circuit
• Manufacturer: Intersil Corporation

Applications Diagram
TYPICAL COMPONENT VALUES
C1 = 0.5PF, 30V
RF1 = RF2 = 210k:, 1%
CF1 = CF2 = 0.22PF, 10%, 20V Nonpolarized
C3 = 0.01PF, 100V, r20%
C4 = 0.01PF, 100V, r20%
C5 = 0.01PF, 100V, r20%
C
KZ
RL1, RL2; Current Limit Setting Resistors:
RL1 + RL2 > 90k:ooffset
I
NOTES:
LIMIT
1. All grounds (AG, BG, & DG) must be applied before V
2. Application shows Ring Injected Ringing, a Balanced or Tip injected configuration may be used.
AC
0
RING
to run separate grounds off a line card, the AG must be applied first.
= 60k:, (Z
= 0.5PF, 20V
TIP
= (0.6) (RL1 + RL2)/(200 x RL2), RL1 typically 100k:
PROTECTION
PRIMARY
Additional information is contained in Application Note 549, “The HC-550X Telephone SLICs” By Geoff Phillips
0
= 600:, K = Scaling Factor = 100)
*SECONDARY
PROTECTION
R S1 C S1
Z 1
R B3
FIGURE 1. TYPICAL LINE CIRCUIT APPLICATION WITH THE MONOLITHIC SLIC
K1A
PTC
C5
150V
KIB
R B1
+5V
PEAK
V RING
K2
(MAX)
R B2
R S2
C S2
+5V
VB-
RB4
K1
B
+ or V
HC-5509A1
RD
PR
TIP
TF1**
TF2**
RF2**
RF1**
RFS
RING
SHD GKD
VB-
B
-. Failure to do so may result in premature failure of the part. If a user wishes
C3
8-140
BG
SYSTEM CONTROLLER
CF2
KR
RB
requirements covered in a Tech Brief)
R
CS1 = CS2 = 0.1PF, 200V typically, depending on V
line length.
Z
generator ballast.
* Secondary protection diode bridge recommended is 3A, 200V
**TF1, TF2 and RF1, RF2 are on PLCC only and should be con-
***Not Present on DIP or SOIC packages.
PRI RS
1
S1
type.
nected together as shown.
C2
F
1
HC-5509A1
= 150V to 200V transient protector. PTC used as ring
= R
= 20k:, RF = 2(R
= RB
SLIC
***
DG AG VB+ C1
TEST
S2
2
= 1k: typically
F1
= RB
C4
+5V
ALARM
3
RF2
VRX+
ILIMIT
= RB
OUT1
-IN1
LAO
VFB
VTX
B2
F0
+ R
4
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= 50: (1% absolute, matching
C AC
B4
RL1
), K = Scaling Factor = 100)
KR F
KZ 0
CF1
RF1
RL2
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FROM PCM
FILTER/CODER
TO HYBIRD
BALANCE
NETWORK
Ring
and