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參數(shù)資料
| 型號： | MAX7705 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | μP Power-Supply Monitor with Reset(具復(fù)位功能的μP電源監(jiān)控器) |
| 中文描述： | 微處理器電源監(jiān)視器與復(fù)位 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 83K |
| 代理商： | MAX7705 |
_______________General Desc ription
In applications with microprocessors (μPs) that have a
RESET
input, the MAX7705 is functionally and socket
compatible with the TL7705, but requires
no external
components.
It provides power-supply glitch immunity
and a guaranteed power-up reset delay, while typically
consuming 1/27
th
the power from a +5V supply.
The MAX7705 monitors the power supply in μP and digital
systems. The
RESET
output is valid for V
down to 1V.
The device offers excellent circuit reliability and low cost
by eliminating external components and adjustments.
A system reset is provided during power-up, power-
down, and brownout conditions. When V
is below the
reset threshold,
RESET
is low and holds the μP in reset.
RESET
will go high 280ms after V
rises above the
reset threshold. The MAX7705 is available in 8-pin DIP
and SO packages.
________________________Applic ations
Minimum Component Count, Low-Cost
Processor Systems
____________________________Features
o
No External Components
o
Low Cost
o
Precise Reset Threshold
o
280ms Power-On Reset Delay
o
8-Pin DIP and SO Packages
______________Ordering Information
* Contact factory for dice specifications.
M
μP Power-S upply Monitor
with Reset
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
1
2
3
4
8
7
6
5
V
CC
N.C.
N.C.
RESET
GND
N.C.
N.C.
N.C.
MAX7705
VCC
RESET
GND
μ
P
*
*
*
* THE MAX7705 ELIMINATES THREE EXTERNAL
COMPONENTS REQUIRED BY THE TL7705.
__________________Pin Configuration
1
2
3
4
8
7
6
5
V
CC
N.C.
N.C.
RESET
GND
N.C.
N.C
.
N.C.
MAX7705
DIP/SO
TOP VIEW
__________Typic al Operating Circ uit
19-0151; Rev 0; 6/93
PART
TEMP. RANGE
PIN-PACKAGE
MAX7705CPA
0°C to +70°C
8 Plastic DIP
MAX7705CSA
0°C to +70°C
8 SO
MAX7705C/D
0°C to +70°C
Dice*
FEATURE
MAX7705
TL7705
No. of External
Components Required
0
3
Operating Supply
Current
65μA
35μA
1.8mA
1.8mA
Power-Supply Glitch
Immunity
Yes
No
Guaranteed Minimum
Reset Delay
Yes
No
+5V
+3V
MAX7705EPA
-40°C to +85°C
8 Plastic DIP
MAX7705ESA
-40°C to +85°C
8 SO
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7705CPA | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX7705CPA+ | 功能描述:監(jiān)控電路 uPower P-Supply Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX7705CSA | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX7705CSA+ | 功能描述:監(jiān)控電路 uPower P-Supply Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX7705CSA+T | 功能描述:監(jiān)控電路 uPower P-Supply Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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