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STLC3055, STLC3055A66, STLC3055G

Table of contents:
Info of STLC3055
Info of STLC3055A66
Info of STLC3055G

STLC3055, STLC3055A66, STLC3055G Selling Leads, Datasheet

MFG:ST Package Cooled:QFP D/C:00(og stok))

STLC3055, STLC3055A66, STLC3055G Picture

STLC3055, STLC3055A66, STLC3055G Datasheet download

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Part Number: STLC3055

MFG: ST

Package Cooled: QFP

D/C: 00(og stok))

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STLC3055 General Description

The STLC3055 is a SLIC device specifically designed for WLL (Wireless Local Loop) and ISDNTerminal Adaptors. One of the distinctive characteristic of this device is the ability to operate with a single supply voltage (from +5.5V to +15.8V)and self generate the negative battery by means of an on chip DC/DC converter controller that drives an externalMOS switch.

The battery level is properly adjusted depending on the operating mode. A useful characteristic forthese applications is the integrated ringing generator.

The control interface is a parallel type with open drain output and 3.3V logic levels.

The metering pulses are generated on chip starting from two logic signals (0, 3.3V) one define the metering pulse frequency and the other the metering pulse duration. An on chip circuit then provides the proper shaping and filtering. Metering pulse amplitude and shaping (rising and decay time) can be programmed by external components.
A dedicated cancellation circuit avoid possible CODEC input saturation due to Metering pulse echo.

Constant current feed can be set from 20mA to 40mA. Off-hook detection threshold is programmable from 5mA to 9mA.

The device, developed in BCD100II technology (100V process), operates in the extended temperature range and integrates a thermal protection that sets the device in power down when Tj exceeds 140°C.

STLC3055 Maximum Ratings

Symbol	Parameter	Value	Unit
V_pos	Positive Supply Voltage	-0.4 to +17	V
A/BGND	AGND to BGND	-1 to +1	V
V_dig	Pin D0, D1, D2, DET, CKTTX	-0.4 to 5.5	V
T_j	Max. junction Temperature	150
V_btot ⁽¹⁾	Vbtot=\|Vpos\|+\|Vbat\|. (Total voltage applied to the device supply pins).	100	V

(1) Vbat is self generated by the on chip DC/DC converter and can be programmed via RF1 and RF2.
RF1 and RF2 shall be selected in order to fulfil the a.m limits (see External Components Table page 10)

STLC3055 Features

MONOCHIP SLIC OPTIMISED FOR WLL & ISDN-TA APPLICATIONS
IMPLEMENT ALL KEY FEATURES OF THE BORSHT FUNCTION
SINGLE SUPPLY (5.5 TO 15.8V)
BUILT IN DC/DC CONVERTER CONTROLLER.
SOFT BATTERY REVERSAL WITH PROGRAMMABLE TRANSITION TIME.
ON-HOOK TRANSMISSION.
PROGRAMMABLE OFF-HOOK DETECTOR THRESHOLD
METERING PULSE GENERATION AND FILTER
INTEGRATED RINGING
INTEGRATED RING TRIP
PARALLEL CONTROL INTERFACE (3.3V LOGIC LEVEL)
PROGRAMMABLE CONSTANT CURRENT FEED
SURFACE MOUNT PACKAGE
INTEGRATEDTHERMAL PROTECTION
-40 TO +85°COPERATINGRANGE

STLC3055 Connection Diagram

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