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参数资料
| 型号： | MAX4892ETX+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/13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 |
MAX4890E/MAX4892E
1000 Base-T, ±15kV ESD Protection LAN Switches
_______________________________________________________________________________________
7
Digital Control Inputs
The MAX4890E/MAX4892E provide a single digital con-
trol SEL. SEL controls the switches as well as the LED
switches as shown in Table 1.
Analog Signal Levels
The on-resistance of the MAX4890E/MAX4892E is very
low and stable as the analog input signals are swept
from ground to V+ (see the Typical Operating
Characteristics). The switches are bidirectional, allow-
ing A_ and _B_ to be configured as either inputs or out-
puts.
ESD Protection
The MAX4890E/MAX4892E are characterized using the
Human Body Model for ±15kV of ESD protection. Figure 5
shows the Human Body Model. This model consists of a
100pF capacitor charged to the ESD voltage of interest
which is then discharged into the test device through a
1.5k
resistor. All signal and control pins are ESD pro-
tected to ±15kV HBM (Human Body Model).
Applications Information
Typical Operating Circuit
The Typical Operating Circuit shows the MAX4890E/
MAX4892E in a 1000 Base-T docking station application.
Power-Supply Sequencing and
Overvoltage Protection
Caution: Do not exceed the absolute maximum ratings.
Stresses beyond the listed ratings may cause perma-
nent damage to the device.
Proper power-supply sequencing is recommended for
all CMOS devices. Always apply V+ before applying
analog signals, especially if the analog signal is not
current limited.
Layout
High-speed switches require proper layout and design
procedures for optimum performance. Keep design-con-
trolled-impedance pc board traces as short as possible.
Ensure that bypass capacitors are as close as possible
to the device. Use large ground planes where possible.
Chip Information
PROCESS: BiCMOS
SEL
CONNECTION
0
A_ to _B1, LED_ to _LED1
1
A_ to _B2, LED_ to _LED2
Table 1. Truth Table
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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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