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參數(shù)資料
| 型號(hào)： | ISL54200EVAL1Z |
| 廠商： | Intersil |
| 文件頁(yè)數(shù)： | 2/18頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | EVALUATION BOARD FOR ISL54200 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，2:1 多路復(fù)用器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ISL54200 |
| 主要屬性： | 2 x SPDT 模擬開關(guān) |
| 次要屬性： | 2.7 V ~ 5.5 V 電源 |
| 已供物品： | 板 |
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ISL54200
10
FN6408.2
June 17, 2010
requirements for USB 2.0 full-speed signaling. See
Figure 11.
The maximum signal range for the HSx switches is from
-1.5V to VDD. The signal voltage should not be allowed to
exceed the VDD voltage rail or go below ground by more
than -1.5V.
The HSx switches are active (turned ON) whenever the
IN voltage is ≥1.4V and the EN logic voltage ≥1.4V when
operated with a 2.7V to 3.6V supply.
ISL54200 Operation
The discussion that follows will discuss using the
ISL54200 in the typical application shown in the
POWER
The power supply connected at the VDD (pin 1) provides
the DC bias voltage required by the ISL54200 part for
proper operation. The ISL54200 can be operated with a
VDD voltage in the range of 2.7V to 5.5V. When used in a
USB application, the VDD voltage should be kept in the
range of 3.0V to 5.5V to ensure you get the proper signal
levels for good signal quality.
A 0.01F or 0.1F decoupling capacitor should be
connected from the VDD pin to ground to filter out any
power supply noise from entering the part. The capacitor
should be located as close to the VDD pin as possible.
LOGIC CONTROL
The state of the ISL54200 device is determined by the
voltage at the IN pin (pin 2) and the EN pin (pin 10). IN
is only active when the EN pin is logic “1” (High). Refer to
The EN pin is internally pulled low through a 4MΩ resistor
to ground. For logic “0” (Low) it can be driven low or
allowed to Float. The IN pin must be driven low or high
and cannot be left floating.
Logic Control Voltage Levels:
EN = Logic “0” (Low) when VEN ≤0.5V or Floating.
EN = Logic “1” (High) when VEN ≥1.4V
IN = Logic “0” (Low) when VIN ≤0.5V.
IN = Logic “1” (High) when VIN ≥1.4V
Full-speed Mode
If the IN pin = Logic “0” and the EN pin = Logic “1”, the
part will be in the full-speed mode. In this mode, the
FSD1 and FSD2 switches are ON and the HSD1 and
HSD2 switches are OFF (high impedance). In a typical
application, VDD will be in the range of 2.8V to 3.6V and
will be connected to the battery or LDO of the portable
media device. When a computer or USB hub is plugged
into the common USB connector and the part is in the
full-speed mode, a link will be established between the
full-speed driver section of the media player and the
computer. The device will be able to transmit and receive
data from the computer at a data rate of 12Mbps.
High-speed Mode
If the IN pin = Logic “1” and the EN pin = Logic “1”, the
part will go into high-speed mode. In high-speed mode,
the HSD1 and HSD2 switches are ON and the FSD1 and
FSD2 switches are OFF (high impedance). When a USB
cable from a computer or USB hub is connected at the
common USB connector and the part is in the high-speed
mode, a link will be established between the high-speed
driver section of the media player and the computer. The
device will be able to transmit and receive data from the
computer at a data rate of 480Mbps.
All Switches OFF Mode
If the IN pin = Logic “0” or Logic “1” and the EN pin =
Logic “0”, all of the switches will turn OFF (high
impedance).
The all OFF state can be used to switch between the two
USB sections of the media player. When disconnecting
from one USB device to the other USB device, you can
momentarily put the ISL54200 switch in the “all off”
state in order to get the computer to disconnect from the
one device so it can properly connect to the other USB
device when that channel is turned ON.
ISL54200
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| ISL54200IRZ-T | 功能描述:IC USB SWITCH DUAL SPDT 10TDFN 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:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:36 系列:- 功能:多路復(fù)用器 電路:2 x 4:1 導(dǎo)通狀態(tài)電阻:75 歐姆 電壓電源:單/雙電源 電壓 - 電源，單路/雙路(±):2 V ~ 12 V，±2 V ~ 6 V 電流 - 電源:- 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:20-SOIC W 包裝:管件 |
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| ISL54205AEVAL1Z | 制造商:Intersil Corporation 功能描述:ISL54205A EVALUATION BOARD 1 - ROHS COMPLIANT - UTQFN - Bulk |
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