TZA3014HT datasheet(2/28 Pages) PHILIPS

2 / 28 page

2001 Jun 25

Philips Semiconductors

Product speciﬁcation

2.5 Gbits/s postampliﬁer with level detector

TZA3014

FEATURES

• Single 3.3 V power supply

• Wideband operation from 50 kHz to 2.5 GHz (typical

value)

• Fully differential

• On-chip DC-offset compensation without external

capacitor

• Interfacing with supplied positive or negative logic

• Positive Emitter Coupled Logic (PECL) or Current-Mode

Logic (CML) compatible data outputs adjustable from

200 to 800 mV (p-p) single-ended

• Power-down capability for unused output or detector

• Rise and fall times of 80 ps (typical value)

• Inverted output possible

• Input level detection circuit for Received Signal Strength

Indicator (RSSI) and Loss Of Signal (LOS),

programmable from 0.4 to 400 mV (p-p) single-ended,

with open-drain comparator output for directly

interfacing positive or negative logic

• Reference voltage for output level and LOS adjustment

• HTQFP32 and HBCC32 plastic packages with exposed

pad

• Mute input.

APPLICATIONS

• Postamplifier for SDH/SONET transponder

• SDH/SONET wavelength converter

• PECL driver

• Fibre channel arbitrated loop

• Signal level detectors

• Swing converter CML 200 mV (p-p) to

PECL 800 mV (p-p)

• 2.5 GHz clock amplification.

GENERAL DESCRIPTION

The TZA3014 is a low gain postamplifier with a LOS

detector and a RSSI designed for use in critical signal path

control applications, such as loop-through or Wavelength

Division Multiplexing (WDM). The signal path is capable of

operating from 50 kHz up to 2.5 GHz.

The TZA3014 can be delivered in HTQFP32 and HBCC32

packages and as bare die.

ORDERING INFORMATION

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TZA3014HT

HTQFP32

plastic, heatsink thin quad ﬂat package; 32 leads; body 5

× 5 × 1.0 mm

SOT547-2

TZA3014VH

HBCC32

plastic, heatsink bottom chip carrier; 32 terminals; body 5

× 5 × 0.65 mm

SOT560-1

TZA3014U

−

bare die; 2.22

× 2.22 × 0.28 mm

−

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