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參數(shù)資料
| 型號： | MAX4718EUB |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | 4.5 з/20 з, 300MHz Bandwidth, Dual SPDT Analog Switches in UCSP |
| 中文描述： | DUAL 1-CHANNEL, SGL POLE DOUBLE THROW SWITCH, PDSO10 |
| 封裝： | MO-187C-BA, UMAX-10 |
| 文件頁數(shù)： | 10/15頁 |
| 文件大?。?/td> | 349K |
| 代理商： | MAX4718EUB |
M
Detailed Description
The MAX4717/MAX4718 high-speed, low-voltage, low on-
resistance (R
ON
), dual SPDT analog switches operate
from a single +1.8V to +5.5V supply. The switches feature
break-before-make switching operation and fast switch-
ing speeds (t
ON
= 80ns (max), t
OFF
= 40ns (max)).
These switches have low 15pF on-channel capaci-
tance, which allows for 12Mbps switching of the data
signals for USB 1.0/1.1 applications. The MAX4717 is
designed to switch D+ and D- USB signals with a guar-
anteed skew of less than 2ns (see Figure 4) as mea-
sured from 50% of the input signal to 50% of the output
signal.
Applications Information
Digital Control Inputs
The MAX4717/MAX4718 logic inputs accept up to
+5.5V regardless of supply voltage. For example, with
a +3.3V supply, IN_ can be driven low to GND and high
to +5.5V allowing for mixing of logic levels in a system.
Driving the control logic inputs rail-to-rail minimizes
power consumption. For a +3V supply voltage, the
logic thresholds are 0.5V (low) and 1.4V (high); for a
+5V supply voltage, the logic thresholds are 0.8V (low)
and 2.0V (high).
Analog Signal Levels
The on-resistance of the MAX4717/MAX4718 changes
very little for analog input signals across the entire supply
voltage range (see the
Typical Operating Characteristics
).
The switches are bidirectional, so the NO_, NC_, and
COM_ pins can be either inputs or outputs.
Power-Supply Sequencing and
Overvoltage Protection
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 CMOS devices. Always apply V+ before applying
analog signals, especially if the analog signal is not
current-limited.
UCSP Package Considerations
For general UCSP package information and PC layout
considerations, please refer to the Maxim Application
Note (Wafer-Level Chip-Scale Package).
UCSP Reliability
The chip-scale package (UCSP) represents a unique
packaging form factor that may not perform equally to a
packaged product through traditional mechanical relia-
bility tests. UCSP reliability is integrally linked to the
user
’
s assembly methods, circuit board material, and
usage environment. The user should closely review
these areas when considering use of a UCSP package.
Performance through Operating Life Test and Moisture
Resistance remains uncompromised as it is primarily
determined by the wafer-fabrication process.
Mechanical stress performance is a greater considera-
tion for a UCSP package. UCSPs are attached through
direct solder contact to the user
’
s PC board, foregoing
the inherent stress relief of a packaged product lead
frame. Solder joint contact integrity must be consid-
ered. Information on Maxim
’
s qualification plan, test
data, and recommendations are detailed in the UCSP
application note, which can be found on Maxim
’
s web-
site at www.maxim-ic.com.
Chip Information
TRANSISTOR COUNT: 235
PROCESS: BiCMOS
4.5
/20
, 300MHz Bandwidth, Dual SPDT
Analog Switches in UCSP
10
______________________________________________________________________________________
PIN
UCSP
μMAX
NAME
FUNCTION
A1
7
NC2
Analog Switch 2
—
Normally Closed
Terminal
A2
8
IN2
Digital Control Input for Analog
Switch 2
A3
9
COM2
Analog Switch 2
—
Common
Terminal
A4
10
NO2
Analog Switch 2
—
Normally Open
Terminal
B1
B4
6
1
GND
V+
Ground
Positive-Supply Voltage Input
C1
5
NC1
Analog Switch 1
—
Normally Closed
Terminal
C2
4
IN1
Digital Control Input for Analog
Switch 1
C3
3
COM1
Analog Switch 1
—
Common
Terminal
C4
2
NO1
Analog Switch 1
—
Normally Open
Terminal
Pin Description
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4718EUB-T | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4719EBC | 制造商:Maxim Integrated Products 功能描述:20OHM 300MHZ BANDWIDTH DUAL SPDT - Rail/Tube |
| MAX4719EBC-T | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4719EUB | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4719EUB+ | 功能描述:模擬開關(guān) IC 20Ohm 300MHz SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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