參數(shù)資料
型號： MAX4722
廠商： Maxim Integrated Products, Inc.
英文描述： Extended Common-mode RS-485 Transceiver 8-SOIC -40 to 85
中文描述： 4.5Ω、雙路SPST模擬開關(guān)，UCSP封裝
文件頁數(shù)： 9/14頁
文件大?。?/td> 293K
代理商： MAX4722
Power-Supply Bypassing
Power-supply bypassing improves noise margin and
prevents switching noise from propagating from the V+
supply to other components. A 0.1μF capacitor connect-
ed from V+ to GND is adequate for most applications.
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.
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.
M
4.5
Dual SPST Analog Switches in UCSP
_______________________________________________________________________________________
9
Test Circuits/Timing Diagrams
50%
V
IL
LOGIC
INPUT
R
L
COM_
GND
IN_
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
V
OUT
= V
COM
(
V
N_
V
IH
t
OFF
0V
NO_
OR NC_
0.9 x V
0UT
0.9 x V
OUT
t
ON
V
OUT
SWITCH
OUTPUT
LOGIC
INPUT
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
V+
C
L
V+
V
OUT
MAX4721/
MAX4722/
MAX4723
R
L
R
L
- R
ON
)
Figure 1. Switching Time
LOGIC
INPUT
R
L2
GND
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
NO_
IN_
NC_
V
OUT2
V+
V+
C
L2
MAX4723
R
L1
C
L1
V
OUT1
V
COM1
V
COM2
50%
0.9 x V
0UT1
V
IH
V
IL
0V
LOGIC
INPUT
SWITCH
OUTPUT 2
(V
OUT2
)
0V
0.9 x V
OUT2
t
D
t
D
SWITCH
OUTPUT 1
(V
OUT1
)
COM2
COM1
Figure 2. Break-Before-Make Interval
相關(guān)PDF資料
PDF描述
MAX4722EUA Extended Common-mode RS-485 Transceiver 8-SOIC -40 to 85
MAX4723 Extended Common-mode RS-485 Transceiver 8-SOIC -40 to 85
MAX4734 0.8з, Low-Voltage, 4-Channel Analog Multiplexer
MAX4734EUB 0.8з, Low-Voltage, 4-Channel Analog Multiplexer
MAX4734EGC 0.8з, Low-Voltage, 4-Channel Analog Multiplexer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4722EBL 制造商:Maxim Integrated Products 功能描述:4.5OHM DUAL SPST ANALOG SWITCHES I - Rail/Tube
MAX4722EBL+T 功能描述:模擬開關(guān) IC 4.5Ohm Dual SPST 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4722EBL+TW 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX4722EBL-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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4722EUA 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16
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