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M02016

11

CMOS Transimpedance Amplifier with AGC

for Fiber Optic Networks up to 1.25 Gbps

Rev V4

3.0

Functional Description

3.1

Overview

The M02016 is a CMOS transimpedance amplifier with AGC. The AGC gives a wide dynamic range of 35dB. The

high transimpedance gain of 24 k

Ω ensures good sensitivity.

For optimum system performance, the M02016 die should be mounted with a silicon or InGaAs PIN photo detector

inside a lensed TO-Can or other optical sub-assembly.

The M02016 can either bias the PIN diode from the internal regulator or use an externally biased PIN diode.

A replica of the average photodiode current is available at the MON pad for photo-alignment.

Figure 3-1.

M02016 Block Diagram

DC

Restore

Phase

Splitter

B.I.S.T.

EN

AGC

PINA

PINK

MON

DOUT

DOUT

2.6 V

1 V

DC Shift