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参数资料
| 型号： | ISL76120ARTZ |
| 厂商： | Intersil |
| 文件页数： | 12/13页 |
| 文件大小： | 0K |
| 描述： | IC MULTIPLEXER DUAL SPDT 10TDFN |
| 标准包装： | 100 |
| 功能： | 多路复用器 |
| 电路： | 2 x SPDT |
| 导通状态电阻： | 10 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V |
| 电流 - 电源： | 20nA |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN/MLP（3x3） |
| 包装： | 管件 |
| 产品目录页面： | 1247 (CN2011-ZH PDF) |
8
FN6711.2
December 23, 2013
Application Block Diagram
Detailed Description
The ISL76120 device is a dual single pole/double throw
(SPDT) analog switch that operates from a single DC power
supply in the range of 2.7V to 5.5V. It was designed to
function as a dual 2-to-1 multiplexer to select between a
USB high-speed transceiver and a USB full-speed
transceiver in automotive applications. It is offered in a
TDFN package for use in automotive Portable Media Player
docking stations and Apple iPod type players. The device
has an enable pin to open all switches.
The part consists of two full speed (FSx) switches and two
high speed (HSx) switches. The FSx switches can swing
from 0V to VDD. They were designed to pass USB
full speed (12Mbps) differential data signals with minimal
distortion. The HSx switches have high bandwidth and low
capacitance to pass USB high-speed (480Mbps) differential
data signals with minimal edge and phase distortion.
The ISL76120 was designed for automotive USB
applications such as docking stations for Portable Media
Players and other general purpose USB connections that
have both high-speed and full-speed transceivers and need
to multiplex between these USB sources to a single USB
host (computer). A typical application block diagram of this
functionality is shown on page 8.
A detailed description of the two types of switches are
provided in the following sections.
FSx Switches (FSD1, FSD2)
The two FSx switches (FSD1, FSD2) are bidirectional
switches that can pass rail-to-rail signals. They were
specifically designed to pass USB full-speed (12Mbps)
differential signals and meet the USB 2.0 full-speed signal
quality specifications. See Figure 8.
The FSx switches can also pass USB high speed signals
(480Mbps) but do not quite meet the USB 2.0 high speed
signal quality eye diagram compliance requirement.
The maximum signal range for the FSx switches is from -1V
to VDD. The signal voltage should not be allowed to exceed
the VDD voltage rail or go below ground by more than -1V.
When operated with a 2.7V to 3.6V supply, the FSx switches
are active (turned ON) whenever the IN logic control voltage
is ≤0.5V and the EN logic voltage ≥1.4V.
HSx Switches (HSD1, HSD2)
The two HSx switches (HSD2, HSD1) are bi-directional
switches that can pass rail-to-rail signals. The on-resistance
is low and well matched between the HSD1 and HSD2
switches over the USB high speed signal range, ensuring
minimal impact by the switches to USB high speed signal
transitions. As the signal level increases, the rON switch
resistance increases.
The HSx switches were specifically designed to pass USB
2.0 high-speed (480Mbps) differential signals typically in the
range of 0V to 400mV. They have low capacitance and high
bandwidth to pass the USB high-speed signals with
minimum edge and phase distortion to meet USB 2.0 high
The HSx switches can also pass USB full-speed signals
(12Mbps) with minimal distortion and meet all the USB
requirements for USB 2.0 full-speed signaling. See Figure 11.
PORTABLE MEDIA DEVICE
ISL76120
USB
TRANSCEIVER
HIGH-SPEED
U
S
B
CON
N
E
C
T
O
R
COMD1
COMD2
IN
GND
HSD1
HSD2
FSD1
FSD2
VDD
EN
LOGIC CIRCUITRY
CONTROLLER
4M
Ω
USB
TRANSCEIVER
FULL-SPEED
VBUS
D-
D+
GND
3.3V
ISL76120
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL76120ARTZ-T | 功能描述:IC MULTIPLEXER DUAL SPDT 10TDFN 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:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:36 系列:- 功能:多路复用器 电路:2 x 4:1 导通状态电阻:75 欧姆 电压电源:单/双电源 电压 - 电源，单路/双路(±):2 V ~ 12 V，±2 V ~ 6 V 电流 - 电源:- 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 供应商设备封装:20-SOIC W 包装:管件 |
| ISL76120ARTZ-TR5303 | 制造商:Intersil Corporation 功能描述: |
| ISL76123 | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:Automotive Single Supply, SPDT Analog Switch |
| ISL76123AHZ-T | 制造商:Intersil Corporation 功能描述:ISL76123AHZ AUTOMOTIVE LOW-VOLTAGE,SINGLE SUPPLY,DUAL SPST,S - Tape and Reel 制造商:Intersil Corporation 功能描述:IC SWITCH AUTO SPDT SOT-23 制造商:Intersil 功能描述:Automotive LV Switch Dual SPST SPDT 3V |
| ISL76161 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:12-Bit, +3.3V, 130MSPS, High Speed D/A Converter |
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