MAX3747AEUB+ Maxim Integrated Products, MAX3747AEUB+ Datasheet

IC AMP LIMITING SFP 10-UMAX

MAX3747AEUB+

Manufacturer Part Number
MAX3747AEUB+
Description
IC AMP LIMITING SFP 10-UMAX
Manufacturer
Maxim Integrated Products
Type
Limiting Amplifierr
Datasheet

Specifications of MAX3747AEUB+

Applications
Data Quantizer, Optical Receivers
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Input Voltage Range (max)
2 V
Operating Supply Voltage
3.3 V
Supply Current
36 mA (Typ) @ 3.3 V
Operating Temperature Range
+ 85 C
Available Set Gain
61 dB (Typ)
Mounting Style
SMD/SMT
Number Of Channels
1
Power Dissipation
552 mW
Amplifier Type
Low Power
Supply Voltage Range
2.97V To 3.63V
Amplifier Case Style
µMAX
No. Of Pins
10
Termination Type
SMD
Rohs Compliant
Yes
Filter Terminals
SMD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX3747/MAX3747A/MAX3747B multirate limiting
amplifiers function as data quantizers for OC-3 through
OC-48 synchronous optical network (SONET), Fibre-
Channel, and Gigabit Ethernet optical receivers. They are
pin-for-pin compatible with the SY88993V from Micrel
Semiconductor, Inc. The amplifiers accept a wide range of
input voltages and provide constant-level, current-mode
logic (CML) output voltages with controlled edge speeds.
The MAX3747 output voltage level is 500mV
MAX3747A/MAX3747B output voltages are 800mV
The MAX3747B has enhanced LOS operation under over-
load conditions.
The MAX3747/MAX3747A/MAX3747B limiting amplifiers
feature a programmable loss-of-signal detect (LOS)
and an optional disable function (DISABLE) that can be
combined to implement squelch.
The MAX3747/MAX3747A/MAX3747B are available in a
3mm, 10-pin µMAX® package ideal for small form-
factor receivers.
19-3297; Rev 1; 10/07
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.
Gigabit Ethernet SFP/SFF Optical Transceiver Modules
1G/2G Fibre-Channel SFP/SFF Optical Transceiver
Multirate OC-3 to OC-48 FEC SFP/SFF Optical
10G LX4 Transceiver Modules
Modules
Transceiver Modules
DIAGNOSTIC
MONITOR
3-INPUT
DS1859
5-PIN TO-HEADER
________________________________________________________________ Maxim Integrated Products
General Description
MAX4004
V
155Mbps to 3.2Gbps, Low-Power SFP
CC
MAX3745
Applications
0.1μF
0.1μF
50Ω
SFP OPTICAL RECEIVER
0.1μF
P-P
50Ω
and the
IN+
IN-
R
R
P-P
TH1
TH2
V
MAX3747A
MAX3747B
V
MAX3747
REF
CC
.
R
TH
TH1
♦ Pin Compatible with Micrel SY88993V
♦ 155Mbps to 3.2Gbps Operation
♦ > 57dB of Gain
♦ < 10
♦ 18mA Supply Current
♦ Chatter-Free LOS with Programmable Threshold
♦ Output DISABLE Function
♦ PECL-Compatible Inputs
+ R
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Pin Configuration appears at end of data sheet.
0.1μF
MAX3747EUB
MAX3747AEUB
MAX3747BEUB
TH2
≥ 5kΩ
GND LOS
V
CC
PART
- 12
SUPPLY FILTER
Limiting Amplifiers
BER with 2mV
DISABLE
Typical Application Circuit
OUT+
OUT-
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
0.1μF
0.1μF
Ordering Information
P-P
4.7kΩ TO 10kΩ
Input Amplitude
50Ω
50Ω
HOST BOARD
HOST FILTER
V
CC_
RX
PIN-
PACKAGE
10 µMAX
10 µMAX
10 µMAX
V
LOS
SERDES
CC_
HOST
Features
U10C-4
U10C-4
U10C-4
CODE
PKG
1

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MAX3747AEUB+ Summary of contents

Page 1

... P-P . ♦ Output DISABLE Function P-P ♦ PECL-Compatible Inputs PART MAX3747EUB MAX3747AEUB Applications MAX3747BEUB µMAX is a registered trademark of Maxim Integrated Products, Inc. Pin Configuration appears at end of data sheet. SFP OPTICAL RECEIVER SUPPLY FILTER V CC MAX3747 MAX3747A 0.1μF MAX3747B IN+ 0.1μ ...

Page 2

Low-Power SFP Limiting Amplifiers ABSOLUTE MAXIMUM RATINGS Power-Supply Voltage (V ) .................................-0.5V to +4.5V CC Voltage at IN+, IN- ..........................(V CC Voltage at DISABLE, LOS, TH, V ..........-0. REF Current into LOS ...................................................-1mA to +9mA ...

Page 3

Low-Power SFP ELECTRICAL CHARACTERISTICS (continued +2.97V to +3.63V, CML output load is 50Ω unless otherwise specified.) (Note 1) PARAMETER SYMBOL Input-Referred Noise Low-Frequency Cutoff LOS Hysteresis LOS Assert/Deassert Time Low LOS Assert ...

Page 4

Low-Power SFP Limiting Amplifiers (SUPPLY CURRENT) Figure 1. Power-Supply Current Measurement V IN SIGNAL_ON 1dB MAXIMUM DEASSERT LEVEL FOR A GIVEN V MAXIMUM POWER-DETECT WINDOW 6dB MINIMUM ASSERT LEVEL FOR A GIVEN V SIGNAL_OFF 0V Figure 2A. ...

Page 5

Low-Power SFP (V = +3.3V +25°C, unless otherwise noted OUTPUT EYE DIAGRAM (MINIMUM INPUT) MAX3747/MAX3747A/MAX3747B toc01 23 3.2Gbps PRBS, 4mV P-P 60mV/div 50ps/div OUTPUT EYE DIAGRAM (MAXIMUM INPUT) MAX3747/MAX3747A/MAX3747B toc04 ...

Page 6

Low-Power SFP Limiting Amplifiers (V = +3.3V +25°C, unless otherwise noted BIT-ERROR RATIO vs. INPUT VOLTAGE 13,000 MAXIM 12,000 MAX3747 11,000 10,000 9000 8000 7000 6000 5000 4000 MICREL 3000 SY88993V 2000 1000 ...

Page 7

Low-Power SFP MAX3747/ MICREL MAX3747A/ SY8893V PIN MAX3747B NAME NAME EN 1 DISABLE 2 IN+ DIN DIN IN REF REF 5 TH LOSLVL 6 GND GND 7 LOS LOS DOUT OUT ...

Page 8

Low-Power SFP Limiting Amplifiers IN+ IN- 50Ω 50Ω V REF CML Output Buffer The CML outputs of the MAX3747/MAX3747A/ MAX3747B limiting amplifiers provide high tolerance to impedance mismatches and inductive connectors. The output current is approximately 10mA ...

Page 9

Low-Power SFP Loss-of-Signal Indicator The MAX3747/MAX3747A/MAX3747B are equipped with LOS circuitry that indicates when the input signal is below a programmable threshold, set by a voltage on the TH pin (see the Typical Operating Characteristics ). The ...

Page 10

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2007 Maxim Integrated Products ...

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