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MAX3785UWL+

Description
6.25Gbps, 1.8V PC Board Equalizer
CategoryWireless rf/communication    Telecom circuit   
File Size351KB,8 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

MAX3785UWL+ Overview

6.25Gbps, 1.8V PC Board Equalizer

MAX3785UWL+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeBGA
package instructionVFBGA, BGA9,3X3,20
Contacts6
Reach Compliance Codeunknow
ECCN codeEAR99
JESD-30 codeS-PBGA-B6
length1.52 mm
Number of functions1
Number of terminals6
Maximum operating temperature85 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeVFBGA
Encapsulate equivalent codeBGA9,3X3,20
Package shapeSQUARE
Package formGRID ARRAY, VERY THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply1.8 V
Certification statusNot Qualified
Maximum seat height0.67 mm
Maximum slew rate0.055 mA
Nominal supply voltage1.8 V
surface mountYES
Telecom integrated circuit typesLINE EQUALIZER
Temperature levelOTHER
Terminal formBALL
Terminal pitch0.5 mm
Terminal locationBOTTOM
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.52 mm
19-2630; Rev 4; 10/08
6.25Gbps, 1.8V PC Board Equalizer
General Description
The MAX3785 6.25Gbps equalizer operates from a sin-
gle 1.8V supply and compensates for transmission-
medium losses encountered with FR-4 transmission
lines. Optimized for low-voltage, high-density, DC-cou-
pled interconnections between the line card and switch
card, the MAX3785 enables a system upgrade path
while maintaining a legacy rate of 2.5Gbps to
3.125Gbps. Roughly the size of two 0603 passive com-
ponents, the MAX3785 easily provides placement and
routing flexibility.
The MAX3785 is composed of an equalizer, limiting
amplifier, and output driver. For data rates of 3.2Gbps
and lower, the MAX3785 equalizes signals for spans up
to 40in of FR-4 board material. For data rates up to
6.25Gbps, the MAX3785 compensates for 30in of FR-4
board material. The MAX3785 is coding independent,
functioning equally well for 8b/10b or scrambled signals.
The MAX3785 features DC-coupled current-mode logic
(CML) data inputs and outputs. It is packaged in a tiny
1.5mm
×
1.5mm chip-scale package (USCP™) and a
6-pin TDFN package.
Single 1.8V Supply
Very Low Power, 60mW
Spans 30in with FR-4 at 6.25Gbps
Operates from 1.0Gbps to 6.4Gbps
Coding Independent, 8b/10b or Scrambled
DC-Coupled CML Inputs and Outputs
Small 1.5mm
×
1.5mm Footprint
Features
MAX3785
Ordering Information
PART
MAX3785UBL
MAX3785UWL+
MAX3785UTT
MAX3785UTT+
MAX3785ITT
MAX3785ITT+
TEMP RANGE
0°C to +85°C
0°C to +85°C
0°C to +85°C
0°C to +85°C
-20°C to +85°C
-20°C to +85°C
PIN-PACKAGE
6 UCSP (3
6 WLP
6 TDFN-EP*
6 TDFN-EP*
6 TDFN-EP*
6 TDFN-EP*
3)
+Denotes
a lead-free/RoHS-compliant package.
*EP
= Exposed pad.
Applications
HSBI for
6.4Gbps
Double IEEE 802.3ae XAUI
Double STM-16/OC-48
Δ
A1
IN-
A2
GND
A3
OUT-
Pin Configurations
TOP VIEW (BUMPS ON BOTTOM OF DIE)
IN- 1
6
IN+
GND 2
MAX3785UTT
5
V
CC
MAX3785UBL
UCSP is a trademark of Maxim Integrated Products, Inc.
C1
IN+
C2
V
CC
C3
OUT+
OUT- 3
4
OUT+
3 x 3 UCSP
TDFN
Typical Application Circuit
LINE CARD
BACKPLANE
SWITCH CARD
MAC
1.8V
V
CC
SWITCH
ASIC WITH
SERDES
Rx
Tx
1.8V
6.25Gbps
V
CC
IN
MAX3785
OUT
Rx
Tx
Rx
OUT
MAX3785
IN
30in (0.75m)
Tx
________________________________________________________________
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.

MAX3785UWL+ Related Products

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Description 6.25Gbps, 1.8V PC Board Equalizer Chip Multilayer Ceramic Capacitors for General Purpose 6.25Gbps, 1.8V PC Board Equalizer 6.25Gbps, 1.8V PC Board Equalizer 6.25Gbps, 1.8V PC Board Equalizer 6.25Gbps, 1.8V PC Board Equalizer 6.25Gbps, 1.8V PC Board Equalizer
Is it lead-free? Lead free - - - Contains lead Contains lead Lead free
Is it Rohs certified? conform to - - - incompatible incompatible conform to
Parts packaging code BGA - - - DFN DFN DFN
package instruction VFBGA, BGA9,3X3,20 - - - TDFN-6 TDFN-6 HVSON, SOLCC6,.11,37
Contacts 6 - - - 6 6 6
Reach Compliance Code unknow - - - _compli _compli compli
JESD-30 code S-PBGA-B6 - - - S-PDSO-N6 S-PDSO-N6 S-PDSO-N6
length 1.52 mm - - - 3 mm 3 mm 3 mm
Number of functions 1 - - - 1 1 1
Number of terminals 6 - - - 6 6 6
Maximum operating temperature 85 °C - - - 85 °C 85 °C 85 °C
Package body material PLASTIC/EPOXY - - - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code VFBGA - - - HVSON HVSON HVSON
Encapsulate equivalent code BGA9,3X3,20 - - - SOLCC6,.11,37 SOLCC6,.11,37 SOLCC6,.11,37
Package shape SQUARE - - - SQUARE SQUARE SQUARE
Package form GRID ARRAY, VERY THIN PROFILE, FINE PITCH - - - SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) NOT SPECIFIED - - - 245 245 260
power supply 1.8 V - - - 1.8 V 1.8 V 1.8 V
Certification status Not Qualified - - - Not Qualified Not Qualified Not Qualified
Maximum seat height 0.67 mm - - - 0.8 mm 0.8 mm 0.8 mm
Maximum slew rate 0.055 mA - - - 0.055 mA 0.055 mA 0.055 mA
Nominal supply voltage 1.8 V - - - 1.8 V 1.8 V 1.8 V
surface mount YES - - - YES YES YES
Telecom integrated circuit types LINE EQUALIZER - - - LINE EQUALIZER LINE EQUALIZER LINE EQUALIZER
Temperature level OTHER - - - OTHER OTHER OTHER
Terminal form BALL - - - NO LEAD NO LEAD NO LEAD
Terminal pitch 0.5 mm - - - 0.95 mm 0.95 mm 0.95 mm
Terminal location BOTTOM - - - DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED - - - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 1.52 mm - - - 3 mm 3 mm 3 mm
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