MAX4892ETX+T Maxim Integrated Products, MAX4892ETX+T Datasheet

IC ETHERNET SWITCH OCTAL 36TQFN

MAX4892ETX+T

Manufacturer Part Number
MAX4892ETX+T
Description
IC ETHERNET SWITCH OCTAL 36TQFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4890EETJ.pdf (13 pages)

Specifications of MAX4892ETX+T

Function
Ethernet Switch
Circuit
8 x 2:1
On-state Resistance
5.5 Ohm
Voltage Supply Source
Single Supply
Voltage - Supply, Single/dual (±)
3 V ~ 3.6 V
Current - Supply
280µA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
36-WFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX4890E/MAX4892E meet the needs of high-speed
differential switching. The devices handle the needs of
Gigabit Ethernet (10/100/1000) Base-T switching as
well as LVDS and LVPECL switching. The MAX4890E/
MAX4892E provide enhanced ESD protection up to
±15kV, and excellent high-frequency response, making
the devices especially useful for interfaces that must go to
an outside connection.
Both devices provide extremely low capacitance
(C
loss and very wide bandwidth. In addition to the four
pairs of DPDT switches, the MAX4892E provides LED
switching for laptop computer/docking station use.
The MAX4890E/MAX4892E are pin-for-pin equivalents
to the MAX4890/MAX4892 and can replace these
devices for those applications requiring the enhanced
ESD protection. Both devices are available in space-
saving TQFN packages and operate over the standard
-40°C to +85°C temperature range.
19-0624; Rev 0; 8/06
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.
1000 Base-T, ±15kV ESD Protection LAN Switches
Pin Configurations continued at end of data sheet.
ON
), as well as low resistance (R
Notebooks and Docking Stations
Servers and Routers with Ethernet Interfaces
Board-Level Redundancy Protection
SONET/SDH Signal Routing
T3/E3 Redundancy Protection
LVDS and LVPECL Switching
TOP VIEW
0LED1
0LED2
LED0
*EXPOSED PAD CONNECTED TO GND.
A1
A3
A4
A5
A6
A2
1
2
3
4
5
6
7
8
9
________________________________________________________________ Maxim Integrated Products
*EP
General Description
MAX4892E
Pin Configurations
TQFN
ON
Applications
), for low-insertion
27
26
25
24
23
22
21
20
19
SEL
2B1
3B1
2B2
3B2
4B1
5B1
4B2
5B2
o ±15kV ESD Protected Per MIL-STD-883, Method
o Single +3.0V to +3.6V Power-Supply Voltage
o Low On-Resistance (R
o Ultra-Low On-Capacitance (C
o -23dB Return Loss (100MHz)
o -3dB Bandwidth: 650MHz
o Optimized Pin Out for Easy Transformer and PHY
o Built-In LED Switches for Switching Indicators to
o Low 450µA (max) Quiescent Current
o Bidirectional 8 to 16 Multiplexer/Demultiplexer
o Standard Pin Out, Matching the MAX4890 and
o Space-Saving Lead-Free Packages
+Denotes lead-free package.
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
*EP = Exposed pad.
Typical Operating Circuit and Functional Diagrams appear
at end of data sheet.
MAX4890EETJ+
MAX4892EETX+
3015
Interface
Docking Station (MAX4892E)
MAX4892
32-Pin, 5mm x 5mm, TQFN Package
36-Pin, 6mm x 6mm, TQFN Package
PART
CH2: 4B2, 100mV/div
CH1: 5B2, 100mV/div
f = 125MHz
PIN-
PACKAGE
32 TQFN-EP*
36 TQFN-EP*
Ordering Information
ON
): 4Ω (typ), 6.5Ω (max)
ON
SWITCHES
Eye Diagram
): 8pF (typ)
LED
—
3
Features
T-3255-4
T-3666-3
CODE
PKG
1

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MAX4892ETX+T Summary of contents

Page 1

... A6 9 TQFN *EXPOSED PAD CONNECTED TO GND. Pin Configurations continued at end of data sheet. ________________________________________________________________ Maxim Integrated Products 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. o ±15kV ESD Protected Per MIL-STD-883, Method 3015 o Single +3.0V to +3.6V Power-Supply Voltage ...

Page 2

Base-T, ±15kV ESD Protection LAN Switches ABSOLUTE MAXIMUM RATINGS V+ ……………………………………………………… -0.3V to +4V All Other Pins………………………………….. -0.3V to (V+ + 0.3V) Continuous Current (A_ to _B_) ......................................±120mA Continuous Current (LED_ to _LED_) .…………………… ±40mA Peak Current (A_ to ...

Page 3

Base-T ±15kV ESD Protection LAN Switch ELECTRICAL CHARACTERISTICS (continued) (V+ = +3V to +3.6V MIN PARAMETER SYMBOL Crosstalk SWITCH AC CHARACTERISTIC -3dB Bandwidth Off-Capacitance On-Capacitance Turn-On Time Turn-Off Time Propagation ...

Page 4

Base-T, ±15kV ESD Protection LAN Switches (V+ = 3.3V +25°C, unless otherwise noted.) A ON-RESISTANCE vs +85° -40° +25° ...

Page 5

Base-T ±15kV ESD Protection LAN Switch PIN NAME MAX4892E MAX4890E — LED0 5 — 0LED1 6 — 0LED2 ...

Page 6

Base-T, ±15kV ESD Protection LAN Switches SINGLE-ENDED BANDWIDTH NETWORK ANALYZER SINGLE-ENDED CROSSTALK NETWORK ANALYZER NETWORK ANALYZER SINGLE-ENDED OFF-ISOLATION NETWORK ANALYZER Figure 1. Single-Ended Bandwidth, Crosstalk, and Off-Isolation Detailed Description The MAX4890E/MAX4892E are high-speed analog switches targeted for 1000 Base-T ...

Page 7

Base-T, ±15kV ESD Protection LAN Switches Table 1. Truth Table SEL CONNECTION _B1, LED_ to _LED1 _B2, LED_ to _LED2 Digital Control Inputs The MAX4890E/MAX4892E provide a single digital con- trol SEL. SEL ...

Page 8

Base-T, ±15kV ESD Protection LAN Switches SEL 50 50% t OFF 50% Figure 2. Turn-On and Turn-Off Times A_ t PLHX _B_ t PLHY _B_ OUTPUT SKEW = ...

Page 9

Base-T, ±15kV ESD Protection LAN Switches DOCKING STATION NOTEBOOK TRD0_P TRD0_N TRD1_P TRD1_N ETHERNET PHY/MAC TRD2_P TRD2_N TRD3_P TRD3_N LED_OUT SEL_DOCK _______________________________________________________________________________________ CONNECTOR 0B2 1B2 2B2 3B2 4B2 A0 5B2 A1 6B2 7B2 A2 _LED2 A3 MAX4892E A4 0B1 ...

Page 10

Base-T, ±15kV ESD Protection LAN Switches SEL 10 ______________________________________________________________________________________ 0B1 A0 1B1 A1 0B2 1B2 A2 2B1 A3 3B1 2B2 3B2 4B1 A4 5B1 A5 4B2 5B2 A6 6B1 A7 7B1 ...

Page 11

Base-T, ±15kV ESD Protection LAN Switches Pin Configurations (continued) TOP VIEW N.C. 3 N.C. 4 MAX4890E ...

Page 12

Base-T, ±15kV ESD Protection LAN Switches (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 12 ______________________________________________________________________________________ Package Information ...

Page 13

... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 © 2006 Maxim Integrated Products Package Information (continued registered trademark of Maxim Integrated Products, Inc ...

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