MAX3664 Maxim, MAX3664 Datasheet

MAX3664

Manufacturer Part Number

MAX3664

Description

622Mbps / Ultra-Low-Power / 3.3V Transimpedance Preamplifier for SDH/SONET

Manufacturer

Maxim

Datasheets

1.MAX3664.pdf (12 pages)

2.MAX3664.pdf (12 pages)

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________________General Description

The MAX3664 low-power transimpedance preamplifier

for 622Mbps SDH/SONET applications consumes only

85mW. Operating from a single +3.3V supply, it converts

a small photodiode current to a measurable differential

voltage. A DC cancellation circuit provides a true differ-

ential output swing over a wide range of input current

levels, thus reducing pulse-width distortion. The differen-

tial outputs are back-terminated with 60Ω per side.

The transimpedance gain is nominally 6kΩ. For input

signal levels beyond approximately 100µAp-p, the

amplifier will limit the output swing to 900mV. The

MAX3664’s low 55nA input noise provides a typical

sensitivity of -33.2dBm in 1300nm, 622Mbps receivers.

The MAX3664 is designed to be used in conjunction

with the MAX3675 clock recovery and data retiming IC

with limiting amplifier. Together, they form a complete

3.3V, 622Mbps SDH/SONET receiver.

In die form, the MAX3664 is designed to fit on a header

with a PIN diode. It includes a filter connection, which

provides positive bias for the photodiode through a 1kΩ

resistor to V

and µMAX packages.

________________________Applications

19-0479; Rev 1; 7/97

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 408-737-7600 ext. 3468.

__________________________________________________Typical Application Circuit

Transimpedance Preamplifier for SDH/SONET

SDH/SONET Receivers

PIN/Preamplifier Receivers

Regenerators for SDH/SONET

100pF

. The device is also available in 8-pin SO

________________________________________________________________ Maxim Integrated Products

(FILT)

INREF2

INREF1

GND

(+3.3V)

MAX3664

622Mbps, Ultra-Low-Power, 3.3V

COMP

OUT-

OUT+

0.01 F

400pF

( ) ARE FOR MAX3664E/D (DICE) ONLY.

100

_______________Ordering Information

____________________________Features

* Contact factory for package availability.

Pin Configuration appears at end of data sheet.

MAX3664E/D

MAX3664ESA

MAX3664EUA*

Single +3.3V Supply Operation

55nA

6kΩ Gain

85mW Power

300µA Peak Input Current

200ps Max Pulse-Width Distortion

Differential Output Drives 100Ω Load

590MHz Bandwidth

PART

RMS

47nF

Input-Referred Noise

MAX3675

TEMP. RANGE

-40°C to +85°C

LIMITING

(+3.3V)

AMP

RECOVERY

CLOCK

DATA

AND

Dice

8 SO

8 µMAX

PIN-PACKAGE

DATA

CLK

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