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參數(shù)資料
| 型號： | MAX4983EEVB+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB SWITCH DPDT 10UTQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 功能： | USB 開關(guān) |
| 電路： | 1 x DPDT |
| 導(dǎo)通狀態(tài)電阻： | 10 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 2.8 V ~ 5.5 V |
| 電流 - 電源： | 600nA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-UFQFN |
| 供應(yīng)商設(shè)備封裝： | 10-UTQFN（1.4x1.8） |
| 包裝： | 管件 |
MAX4983E/MAX4984E
Detailed Description
The MAX4983E/MAX4984E are ±15kV ESD-protected
DPDT analog switches. The devices are ideal for USB
2.0 Hi-Speed (480Mbps) switching applications and
also meet USB low- and full-speed requirements.
The MAX4983E/MAX4984E are fully specified to oper-
ate from a single +2.8V to +5.5V supply. The low VIH
threshold of the devices permits them to be used with
logic levels as low as 1.4V. The MAX4983E/MAX4984E
are based on a charge-pump-assisted n-channel archi-
tecture. The devices feature a shutdown mode to
reduce the quiescent current to less than 0.1A (typ).
Digital Control Input
The MAX4983E/MAX4984E provide a single-bit control
logic input, CB. CB controls the position of the switches
as shown in the
Functional Diagram/Truth Table.
Driving CB rail-to-rail minimizes power consumption.
With a +2.8V to +5.5V supply voltage range, the device
is +1.4V logic compatible.
Analog Signal Levels
The on-resistance of the MAX4983E/MAX4984E is very
low and stable as the analog input signals are swept
from ground to VCC (see the Typical Operating Character-
istics). These switches are bidirectional, allowing NO_,
NC_, and COM_ to be configured as either inputs or
outputs. The charge-pump-assisted n-channel architec-
ture allows the switch to pass analog signals that
exceed VCC up to the overvoltage fault protection
threshold. This allows USB signals that exceed VCC to
pass, allowing compliance with USB requirements for
voltage levels.
Overvoltage Fault Protection
The MAX4983E/MAX4984E feature overvoltage fault pro-
tection on COM_. Fault protection protects the switch and
USB transceiver from damaging voltage levels. When
voltages on COM exceed the fault protection threshold,
(VFP), COM_, NC_ and NO_ are high impedance.
Enable Input
The MAX4983E/MAX4984E feature a shutdown mode that
reduces the supply current to less than 0.1A and places
COM_ in high impedance. Drive EN high for the
MAX4983E or EN low for the MAX4984E to place the
devices in shutdown mode. When EN is driven low or EN
is driven high, the devices are in normal operation.
Applications Information
USB Switching
The MAX4983E/MAX4984E analog switches are fully com-
pliant with the USB 2.0 specification. The low on-resis-
tance and low on-capacitance of these switches make
them ideal for high-performance switching applications.
Hi-Speed USB 2.0 Switches
with ±15kV ESD
8
_______________________________________________________________________________________
Pin Description
PIN
MAX4983E
MAX4984E
NAME
FUNCTION
1
NC1
Normally Closed Terminal for Switch 1
2
NO1
Normally Open Terminal for Switch 1
3
COM1
Common Terminal for Switch 1
4
GND
Ground
5
COM2
Common Terminal for Switch 2
6
NO2
Normally Open Terminal for Switch 2
7
NC2
Normally Closed Terminal for Switch 2
8—
EN
Active-Low Enable Input. Drive EN high to put switches in high impedance. Drive EN
low for normal operation.
—8
EN
Active-High Enable Input. Drive EN low to put switches in high impedance. Drive EN
high for normal operation.
99
VCC
Positive Supply Voltage Input. Bypass VCC to GND with a 0.1F ceramic capacitor as
close as possible to the device.
10
CB
Digital Control Input. Drive CB low to connect COM_ to NC_. Drive CB high to connect
COM_ to NO_.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4983EEVB+ | 功能描述:IC USB SWITCH DPDT 10UTQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:- 電路:2 x SPST 導(dǎo)通狀態(tài)電阻:20 歐姆 電壓電源:單電源 電壓 - 電源，單路/雙路(±):3 V ~ 5.5 V 電流 - 電源:4.1mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:帶卷 (TR) |
| MAX4983EEVB+T | 功能描述:交換機(jī) IC 開發(fā)工具 High-Speed USB 2.0 Switch RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
| MAX4983EEVKIT+ | 功能描述:交換機(jī) IC 開發(fā)工具 MAX4983E/84E Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
| MAX4984EEVB+ | 功能描述:交換機(jī) IC 開發(fā)工具 High-Speed USB 2.0 Switch RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
| MAX4984EEVB+T | 功能描述:交換機(jī) IC 開發(fā)工具 High-Speed USB 2.0 Switch RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
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