MAX3658AE データシートの表示（PDF） - Maxim Integrated

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MAX3658AE

622Mbps, Low-Noise, High-Gain Transimpedance Preamplifier

Maxim Integrated 

19-3015; Rev 3; 2/07

622Mbps, Low-Noise, High-Gain

Transimpedance Preamplifier

General Description

The MAX3658 is a transimpedance preamplifier for

receivers operating up to 622Mbps. Low noise, high

gain, and low power dissipation make it ideal for fiber

access and small form-factor transceivers.

The MAX3658 features 45nA input-referred noise, 18kΩ

transimpedance gain, 580MHz bandwidth, and 2mAP-P

input overload. Operating from a +3.3V supply, the

MAX3658 consumes only 66mW. An integrated filter

resistor provides positive bias for the photodiode. These

features, combined with a small die size, allow easy

assembly into a TO-46 header with a photodiode. The

MAX3658 also includes an average photocurrent monitor.

The MAX3658 has typical optical sensitivity of -33dBm

(0.9A/W), which exceeds the class-B APON require-

ments. Typical optical overload is 1dBm. The MAX3658

is available in die form with both output polarities

(MAX3658A and MAX3658B). The MAX3658A is also

available in a 3mm x 3mm 8-pin TDFN package.

Applications

Optical Receivers (Up to 622Mbps Operation)

Passive Optical Networks

SFF/SFP Transceivers

FTTx Transceivers

Pin Configuration appears at end of data sheet.

Features

♦ 45nARMS Noise, -33dBm Sensitivity

♦ 18.3kΩ Transimpedance Gain

♦ 580MHz Bandwidth

♦ 2mAP-P Input Overload, 1dBm Overload

♦ 66mW Power Dissipation

♦ 3.3V Operation

♦ Average Photocurrent Monitor

Ordering Information

PART

TEMP RANGE

PIN-

PACKAGE

PKG

CODE

MAX3658AETA

-40°C to +85°C

8 TDFN

(3mm x 3mm)

T833-3

MAX3658AETA+ -40°C to +85°C

8 TDFN

(3mm x 3mm)

T833-3

MAX3658AE/D

—

Dice*

—

MAX3658BE/D

—

Dice*

—

+Denotes lead-free package.

*Dice are designed to operate over a -40°C to +100°C junction

temperature (Tj) range, but are tested and guaranteed at TA =

+25°C.

Typical Operating Circuit

+3.3V

CVCC1

CVCC2

CFILT

RFILT

FILT

IN

OUT+

OUT-

MAX3658

GND MON

5-PIN TO-46 HEADER

75Ω*

75Ω*

0.1μF

25Ω*

0.1μF

COUT*

25Ω*

MAX3748

100Ω

LIMITING AMPLIFIER

RMON

*OPTIONAL COMPONENTS

________________________________________________________________ Maxim Integrated Products 1

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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