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參數(shù)資料
| 型號(hào)： | MAX324CSA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Precision, Single-Supply, SPST Analog Switches |
| 中文描述： | DUAL 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO8 |
| 封裝： | 0.150 INCH, SOIC-8 |
| 文件頁(yè)數(shù)： | 8/16頁(yè) |
| 文件大?。?/td> | 153K |
| 代理商： | MAX324CSA |
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M
±15kV ESD-Protected, 1μA, 3.0V to 5.5V, 250kbps,
RS -232 Transc eivers with AutoS hutdown
8
_______________________________________________________________________________________
Table 1. Output Control Truth Table
+0.3V
-0.3V
INVALID
TOMAX32_ _E
POWER SUPPLY
AND TRANSMITTERS
R_IN
* TRANSMITTERS ARE DISABLED, REDUCING SUPPLY CURRENT TO1
μ
A IF
ALL RECEIVER INPUTS ARE BETWEEN +0.3V AND -0.3V FOR
AT LEAST
30
μ
s.
30μs
COUNTER
R
Figure 3a. MAX32_ _E Entering 1μA Supply Mode via
AutoShutdown
+2.7V
-2.7V
INVALID
TOMAX32_ _E
POWER SUPPLY
R_IN
* TRANSMITTERS ARE ENABLED IF:
ANY RECEIVER INPUT IS GREATER THAN +2.7V OR LESS THAN -2.7V.
ANY RECEIVER INPUT HAS BEEN BETWEEN +0.3V AND -0.3V FOR
LESS THAN
30
μ
s.
30μs
COUNTER
R
Figure 3b. MAX32__E with Transmitters Enabled Using
AutoShutdown
X = Don’t Care
The MAX3221E/MAX3223E/MAX3243E feature an
INVALID
output that is enabled low when no valid RS-232
signal levels have been detected on all receiver inputs.
INVALID
is functional in any mode (Figures 3 and 5).
AutoS hutdown
The MAX3221E/MAX3223E/MAX3243E achieve a 1μA
supply current with Maxim’s new AutoShutdown fea-
ture, which operates when FORCEON is low and
FORCEOFF
is high. When these devices sense no valid
signal levels on all receiver inputs for 30μs, the on-
board charge pump and drivers are shut off, reducing
supply current to 1μA. This occurs if the RS-232 cable
is disconnected or the connected peripheral transmit-
ters are turned off. The device turns on again when a
valid level is applied to any RS-232 receiver input. As a
result, the system saves power without changes to the
existing BIOS or operating system.
0
0
0
1
X
1
FORCEON
X
Active
Active
Active
R2OUTB
(MAX3243E)
Active
Active
Active
Active
Active
Active
High-Z
R_OUT
(MAX3221E/
MAX3223E)
Active
Active
High-Z
High-Z
1
1
1
1
0
1
FORCEOFF
0
Active
High-Z
Active
T_OUT
High-Z
Active
Active
High-Z
Active
High-Z
Active
R_OUT
(MAX3243E)
High-Z
Active
Active
High-Z
0
0
Yes
No
Normal Operation
(AutoShutdown)
Yes
0
X
Normal Operation
(Forced On)
X
Shutdown
(Forced Off)
X
EN
(MAX3221E/
MAX3223E)
VALID
RECEIVER
LEVEL
0
X
OPERATION
STATUS
1
1
1
0
Active
High-Z
1
High-Z
High-Z
Shutdown
(AutoShutdown)
No
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX3221E | Video/Imaging Fixed-Point Digital Signal Processor 548-FCBGA |
| MAX3221ECAE | Video/Imaging Fixed-Point Digital Signal Processor 548-FCBGA |
| MAX3223E | Video/Imaging Fixed-Point Digital Signal Processor 548-FCBGA |
| MAX3223ECAP | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| MAX3223ECPP | Video/Imaging Fixed-Point Digital Signal Processor 548-FCBGA |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX324CSA+ | 功能描述:模擬開(kāi)關(guān) IC Precision Single Supply SPST RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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 |
| MAX324CSA+T | 功能描述:模擬開(kāi)關(guān) IC Precision Single Supply SPST RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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 |
| MAX324CSA-T | 功能描述:模擬開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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 |
| MAX324CUA | 功能描述:模擬開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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 |
| MAX324CUA+ | 功能描述:模擬開(kāi)關(guān) IC Precision Single Supply SPST RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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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