TZA3023T/C1 查看數據表（PDF） - Philips Electronics

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TZA3023T/C1

SDH/SONET STM4/OC12 transimpedance amplifier

Philips Electronics 

Philips Semiconductors

SDH/SONET STM4/OC12

transimpedance amplifier

Product specification

TZA3023

FEATURES

• Wide dynamic input range from 1 µA to 1.5 mA

• Low equivalent input noise of 3.5 pA/√Hz (typical)

• Differential transimpedance of 21 kΩ

• Wide bandwidth from DC to 600 MHz

• Differential outputs

• On-chip Automatic Gain Control (AGC)

• No external components required

• Single supply voltage from 3.0 to 5.5 V

• Bias voltage for PIN diode

• Pin compatible with SA5223.

APPLICATIONS

• Digital fibre optic receiver in short, medium and long

haul optical telecommunications transmission systems

or in high-speed data networks

• Wideband RF gain block.

DESCRIPTION

The TZA3023 is a low-noise transimpedance amplifier with

AGC designed to be used in STM4/OC12 fibre optic links.

It amplifies the current generated by a photo detector

(PIN diode or avalanche photodiode) and converts it to a

differential output voltage.

ORDERING INFORMATION

TYPE

NUMBER

TZA3023T

TZA3023U

NAME

SO8

−

PACKAGE

DESCRIPTION

plastic small outline package; 8 leads; body width 3.9 mm

bare die in waffle pack carriers; die dimensions 1.030 × 1.300 mm

VERSION

SOT96-1

−

BLOCK DIAGRAM

handbook, full pagewidth

VCC

AGC(1)

8 (11, 12)

2

kΩ

DREF 1 (1)

GAIN

CONTROL

(13)

peak detector

IPhoto 3 (4)

low noise

amplifier

A1

single-ended to

differential converter

TZA3023

BIASING

2, 4, 5 (2, 3, 5, 6, 7, 8)

GND

The numbers in brackets refer to the pad numbers of the bare die version.

(1) AGC analog I/O is only available on the TZA3023U (pad 13).

Fig.1 Block diagram.

7 (10) OUTQ

6 (9) OUT

MGK918

2000 Mar 29

2

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