STLC1512 datasheet(2/26 Pages) STMICROELECTRONICS

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STLC1512

2/26

1.0 GENERAL DESCRIPTION

The line driver transmit path contains a preamplifier

followed by a power output stage. The power stage

has current outputs that directly drive the primary

side of a center tapped transformer.

The receive path contains a programmable gain am-

plifier followed by an opamp which is used with off

chip passive components in an active low pass filter.

The Programmable Grain Amplifier (PGA) has four

steps optimized for the recommended G.lite CO line

interface.

There is also an undedicated opamp which can be

used for active filtering in either the transmit or re-

ceive paths

2.0 PACKAGING AND PIN INFORMATION

2.1 Package Technology

STLC1512 will be packaged in a TQFP 48 package,

according to JEDEC Specification reference MS-

026-BBC.

2.2 STLC1512 Pin Allocation

The pin out for the STLC1512 is depicted in the fol-

lowing Figure 2.

Figure 2. STLC1512 pinout

TQFP48 (7x7x1.4mm)

TXANG

RBIAS

RXPD

LPFOUT

LPFIN

REF2P5

DCFBON

DCFBOP

FPN

FPP

PAIP

PAIN

PWRVEE1

PWRVEE2

PAOP1

PAOP2

BUFFP

BUFFN

PAON1

PAON2

PWRVEE3

PWRVEE4

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