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参数资料
| 型号： | MAX4983EEVB+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/12页 |
| 文件大小： | 0K |
| 描述： | IC USB SWITCH DPDT 10UTQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 功能： | USB 开关 |
| 电路： | 1 x DPDT |
| 导通状态电阻： | 10 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.8 V ~ 5.5 V |
| 电流 - 电源： | 600nA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-UFQFN |
| 供应商设备封装： | 10-UTQFN（1.4x1.8） |
| 包装： | 管件 |
The MAX4983E/MAX4984E are ideal for routing USB
data lines (see Figure 6) and for applications that
require switching between multiple USB hosts (see
Figure 7). The MAX4983E/MAX4984E also feature
overvoltage fault protection to guard systems against
shorts to the USB VBUS voltage that is required for all
USB applications.
Extended ESD Protection
As with all Maxim devices, ESD-protection structures
are incorporated on all pins to protect against electro-
static discharges encountered during handling and
assembly. COM1 and COM2 are further protected
against static electricity. The ESD structures withstand
high ESD in normal operation and when the device is
powered down. After an ESD event, the MAX4983E/
MAX4984E continue to function without latchup.
The MAX4983E and MAX4984E are characterized for
protection to the following limits:
±15kV using Human Body Model
±8kV using IEC 61000-4-2 Contact Discharge method
±15kV using IEC 61000-4-2 Air-Gap Discharge method
ESD Test Conditions
ESD performance depends on a variety of conditions.
Contact Maxim for a reliability report that documents
test setup, test methodology, and test results.
Human Body Model
Figure 8a shows the Human Body Model and Figure 8b
shows the current waveform it generates when dis-
charged into a low impedance. 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
Ω resistor.
IEC 61000-4-2
The main difference between tests done using the Human
Body Model and IEC 61000-4-2 is higher peak current in
IEC 61000-4-2. Because series resistance is lower in the
IEC 61000-4-2 ESD test model (Figure 9a), the ESD-with-
stand voltage measured to this standard is generally
lower than that measured using the Human Body Model.
Figure 9b shows the current waveform for the ±8kV
IEC 61000-4-2 Level 4 ESD Contact Discharge test.
The Air-Gap Discharge test involves approaching the
device with a charged probe. The Contact Discharge
method connects the probe to the device before the
probe is energized.
Layout
USB Hi-Speed requires careful PCB layout with 45
Ω
controlled-impedance matched traces of equal lengths.
Ensure that bypass capacitors are as close as possible
to the device. Use large ground planes where possible.
Power-Supply Sequencing
Caution: Do not exceed the absolute maximum rat-
ings because stresses beyond the listed ratings
may cause permanent damage to the device.
Proper power-supply sequencing is recommended for all
devices. Always apply VCC before applying analog sig-
nals, especially if the analog signal is not current limited.
Chip Information
PROCESS: BiCMOS
MAX4983E/MAX4984E
Hi-Speed USB 2.0 Switches
with ±15kV ESD
_______________________________________________________________________________________
9
CB
VCC
NC1
NO1
NC2
NO2
COM1
COM2
GND
1
EN
MAX4984E
1
0
CB
1
X
OFF
N0_
ON
OFF
—
COM_
—
HI-Z
ON
NC_
OFF
X = DON'T CARE.
0
EN
MAX4983E
0
1
0
CB
1
X
OFF
N0_
ON
OFF
—
COM_
—
HI-Z
ON
NC_
OFF
X = DON'T CARE.
MAX4983E/
MAX4984E
EN (EN)
Functional Diagram/Truth Table
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4983EEVB+ | 功能描述:IC USB SWITCH DPDT 10UTQFN RoHS:是 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:- 电路:2 x SPST 导通状态电阻:20 欧姆 电压电源:单电源 电压 - 电源，单路/双路(±):3 V ~ 5.5 V 电流 - 电源:4.1mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:带卷 (TR) |
| MAX4983EEVB+T | 功能描述:交换机 IC 开发工具 High-Speed USB 2.0 Switch RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
| MAX4983EEVKIT+ | 功能描述:交换机 IC 开发工具 MAX4983E/84E Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
| MAX4984EEVB+ | 功能描述:交换机 IC 开发工具 High-Speed USB 2.0 Switch RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
| MAX4984EEVB+T | 功能描述:交换机 IC 开发工具 High-Speed USB 2.0 Switch RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
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