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MAX3748BETE#TG16

Description
IC AMP LIMITING 16TQFN
CategoryWireless rf/communication    Telecom circuit   
File Size304KB,13 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
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MAX3748BETE#TG16 Overview

IC AMP LIMITING 16TQFN

MAX3748BETE#TG16 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
package instructionQCCN, LCC16,.12SQ,20
Reach Compliance Codecompliant
JESD-30 codeS-PQCC-N16
Number of functions1
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeQCCN
Encapsulate equivalent codeLCC16,.12SQ,20
Package shapeSQUARE
Package formCHIP CARRIER
power supply3.3 V
Certification statusNot Qualified
Maximum slew rate53 mA
Nominal supply voltage3.3 V
surface mountYES
technologyBIPOLAR
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
19-2717; Rev 6; 6/11
KIT
ATION
EVALU
BLE
AVAILA
Compact 155Mbps to 4.25Gbps
Limiting Amplifier
General Description
Features
SFP Reference Design Available
16-Pin TQFN Package with 3mm x 3mm Footprint
Single 3.3V Supply Voltage
86ps Rise and Fall Time
Loss of Signal with Programmable Threshold
RSSI Interface (with MAX3744 TIA)
Output Disable
Polarity Select
8.7ps
P-P
Deterministic Jitter (4.25Gbps)
MAX3748
The MAX3748 multirate limiting amplifier functions as a
data quantizer for SONET, Fibre Channel, and Gigabit
Ethernet optical receivers. The amplifier accepts a wide
range of input voltages and provides constant-level
current-mode logic (CML) output voltages with con-
trolled edge speeds.
A received-signal-strength indicator (RSSI) is available
when the MAX3748 is combined with the MAX3744 SFP
transimpedance amplifier (TIA). A receiver consisting of
the MAX3744 and the MAX3748 can provide up to
19dB RSSI dynamic range. Additional features include
a programmable loss-of-signal (LOS) detect, an option-
al disable function (DISABLE), and an output signal
polarity reversal (OUTPOL). Output disable can be
used to implement squelch.
The combination of the MAX3748 and the MAX3744
allows for the implementation of all the small-form-factor
SFF-8472 digital diagnostic specifications using a stan-
dard 4-pin TO-46 header. The MAX3748 is packaged in
a 3mm x 3mm, 16-pin thin QFN package with an
exposed pad.
Ordering Information
PART
MAX3748HETE#G16*
MAX3748ETE
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
16 TQFN-EP**
16 TQFN-EP**
Applications
Gigabit Ethernet SFF/SFP Transceiver Modules
Fibre Channel SFF/SFP Transceiver Modules
Multirate OC-3 to OC-48-FEC SFF/SFP
Transceiver Modules
H = hybrid lead-free package. *See Detailed Description for
more information. The MAX3748H is the MAX3748 in a hybrid
lead-free package.
#Denotes a RoHS-compliant device that may include lead that
is exempt under the RoHS requirements.
**EP
= Exposed pad.
Functional Diagram and Pin Configuration appear at end of
data sheet.
Typical Operating Circuits
SFP OPTICAL RECEIVER
4-PIN TO HEADER
0.1μF
OUTPOL
IN+
MAX3744 TIA
HOST BOARD
SUPPLY FILTER
HOST FILTER
V
CC
_RX
V
CC
CAZ1
CAZ2
OUT+
0.1μF
50Ω
0.1μF
SERDES
50Ω
IN-
OUT-
MAX3748
RSSI
DS1858
3-INPUT DIAGNOSTIC
MONITOR
R1
3kΩ
C1
0.1μF
TH
R
TH
GND
DISABLE
LOS
4.7kΩ TO 10kΩ
V
CC
_HOST
LOS
Typical Operating Circuits continued at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

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