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| 型号： | MAX4892ETX+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC ETHERNET SWITCH OCTAL 36TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 功能： | 以太网开关 |
| 电路： | 8 x 2:1 |
| 导通状态电阻： | 5.5 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 3 V ~ 3.6 V |
| 电流 - 电源： | 280µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 管件 |
General Description
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
(CON), as well as low resistance (RON), for low-insertion
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.
Applications
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
Features
o ±15kV ESD Protected Per MIL-STD-883, Method
3015
o Single +3.0V to +3.6V Power-Supply Voltage
o Low On-Resistance (RON): 4 (typ), 6.5 (max)
o Ultra-Low On-Capacitance (CON): 8pF (typ)
o -23dB Return Loss (100MHz)
o -3dB Bandwidth: 650MHz
o Optimized Pin Out for Easy Transformer and PHY
Interface
o Built-In LED Switches for Switching Indicators to
Docking Station (MAX4892E)
o Low 450A (max) Quiescent Current
o Bidirectional 8 to 16 Multiplexer/Demultiplexer
o Standard Pin Out, Matching the MAX4890 and
MAX4892
o Space-Saving Lead-Free Packages
32-Pin, 5mm x 5mm, TQFN Package
36-Pin, 6mm x 6mm, TQFN Package
MAX4890E/MAX4892E
1000 Base-T, ±15kV ESD Protection LAN Switches
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
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.
PART
PIN-
PACKAGE
LED
SWITCHES
PKG
CODE
MAX4890EETJ+
32 TQFN-EP*
—
T-3255-4
MAX4892EETX+
36 TQFN-EP*
3
T-3666-3
+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.
Eye Diagram
CH2: 4B2, 100mV/div
CH1: 5B2, 100mV/div
f = 125MHz
Pin Configurations
SEL
2B1
2B2
3B2
4B2
5B2
4B1
5B1
3B1
A3
LED0
0LED1
A4
A5
A6
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
1LED2
7B2
6B2
6B1
1LED1
LED1
GND
A7
MAX4892E
TOP VIEW
0LED2
7B1
A2
A0
0B2
V+
LED2
2LED1
2LED2
0B1
1B1
1B2
TQFN
*EP
*EXPOSED PAD CONNECTED TO GND.
+
Pin Configurations continued at end of data sheet.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4892ETX+ | 功能描述:多路器开关 IC 10/100/1000 Base-T Ethernet LAN Switch RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX4892ETX+T | 功能描述:多路器开关 IC 10/100/1000 Base-T Ethernet LAN Switch RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX4892ETX-T | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX4893BETB+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4893BETB+T | 功能描述:电流和电力监控器、调节器 Overvoltage Protect Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
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