STLC3080 STMicroelectronics, STLC3080 Datasheet - Page 9

• Manufacturer Part Number: STLC3080
• Description: IC INTERFACE LINE SUBSCRB 44TQFP
• Manufacturer: STMicroelectronics

Specifications of STLC3080

• Function: Subscriber Line Interface Concept (SLIC)
• Number Of Circuits: 1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 5.5mA
• Power (watts): 1.1W
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Includes: Automatic Activation Mode, BORSCHT Functions, Ring Trip Detection, Slave Mode
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -

EXTERNAL COMPONENTS (continued)
Notes:
(1) Transistor characteristics: h
(2) Typical value needed for 2.2Vrms metering pulse level, if no metering RDA = 0 .
(3) These resistors are needed to activate the power cross detection circuit, they should withstand the typical lighting voltage. If the power
(*) R
(**) Inside the formula the coefficient 1.16 must be changed to 1.20 if the selected value of I
application, see Appendix.
For SMD application possible alternatives are MJD350 in D-PACK or BCP53 in SOT223
cross detection is not needed R1, R2 can be avoided.
Avoid any digital line or high voltage swing line to pass close to I
R
R
R1, R2
Name
RPR2
REF
RPT2
C
RDA
R
C
TH
LIM
CH
D1
D2
REV
TTX
TTX
and RLIM should be connected close to the corresponding pins of STLC3080.
(**)
(*)
Current limiting setting resistor
OFF/HOOK DETection threshold
setting resistor.
Polarity reversal transition time
programming
Output Voltage Drop Adjustment
Power Cross Detection
Teletax Cancellation Resistor
Teletax Cancellation Capacitor
Protection resistor
Protection resistor
Overvoltage protection
Dual Battery Operation
Trans-Hybrid Loss Frequency
Compensation
FE
Function
25, I
C
100mA, V
CEO
60V, f
R
23.2k
R
21.1k
C
RDA
C
T
R
CH = CCOMP
REF
LIM
TH
REV
TTX
TTX
8
8
20MHz in all operating range (Ic from 1 to 100mA). PDISS depends on
and R
=
200
= 12.5 [Re (ZL
10
9.6
12.5 I
Drop 20k
V
3
K
58k
77.3k
LIM
T
TR
1.16
1.16
pins. Eventually screen these pins with a GND track.
I
I
LIM
TH
Formula
; K
m
Drop
ZL
3750
1
TTX
1
TTX
th
is lower than 5mA.
) + 2R
2
f
TTX
P
]
51.1k
26.1k
47nF for 5.67V/ms
10k
240k
3.75k
1N4448
1N4448
220pF
20
20
Typical Value
( Drop = 3.2V) (2)
1/4W
1/4W
30%
1%
1%
STLC3080
(3)
1%
1%
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