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| 型号： | MAX806SCPA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 8-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.925V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
19-0243; Rev 2; 12/05
3.0V/3.3V Microprocessor Supervisory Circuits
_______________General Description
____________________________Features
These microprocessor (μP) supervisory circuits reduce
the complexity and number of components required for
power-supply monitoring and battery-control functions
in μP systems. They significantly improve system relia-
bility and accuracy compared to separate ICs or
discrete components.
These devices are designed for use in systems powered
by 3.0V or 3.3V supplies. See the selector guide in the
back of this data sheet for similar devices designed for
5V systems. The suffixes denote different reset threshold
voltages: 3.075V (T), 2.925V (S), and 2.625V (R) (see the
Reset Threshold section in the Detailed Description ). All
these parts are available in 8-pin DIP and SO packages.
Functions offered in this series are as follows:
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– — — — — –
R E S E T and RESET Outputs
Manual Reset Input
Precision Supply-Voltage Monitor
200ms Reset Time Delay
Watchdog Timer (1.6s timeout)
Battery-Backup Power Switching—
Battery Can Exceed V CC in Normal Operation
40μA V CC Supply Current
1μA Battery Supply Current
Voltage Monitor for Power-Fail or
Low-Battery Warning
– — — — — –
Guaranteed R E S E T Assertion to V CC = 1V
8-Pin DIP and SO Packages
______________Ordering Information
PART**
MAX690 _CPA
TEMP RANGE
0°C to +70°C
PIN-PACKAGE
8 Plastic DIP
Part
MAX690_CSA
0°C to +70°C
8 SO
MAX690
MAX704
MAX802
MAX804
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±4%
±4%
±2%
±2%
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±75mV
±75mV
±2%
±2%
MAX690_C/D
MAX690_EPA
MAX690_ESA
MAX690_MJA
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
Dice*
8 Plastic DIP
8 SO
8 CERDIP
MAX805
MAX806
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±4%
±2%
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±75mV
±2%
Ordering Information continued at end of data sheet.
* Contact factory for dice specifications.
** These parts offer a choice of reset threshold voltage. Select
________________________Applications
Battery-Powered Computers and Controllers
Embedded Controllers
Intelligent Instruments
Automotive Systems
Critical μP Power Monitoring
Portable Equipment
the letter corresponding to the desired nominal reset threshold
voltage (T = 3.075V, S = 2.925V, R = 2.625V) and insert it into
the blank to complete the part number.
Devices in PDIP and SO packages are available in both leaded
and lead-free packaging. Specify lead free by adding the +
symbol at the end of the part number when ordering. Lead free
not available for CERDIP package.
_________Typical Operating Circuits
REGULATED +3.3V OR +3.0V
μ P
__________________Pin Configuration
TOP VIEW
UNREGULATED
DC
0.1 μ F
R1
V CC
RESET
(RESET)
PFO
V CC
RESET
NMI
V OUT
V CC
GND
PFI
1
2
3
4
MAX690T/S/R
MAX704T/S/R
MAX802T/S/R
MAX804T/S/R
MAX805T/S/R
MAX806T/S/R
8
7
6
5
VBATT
RESET (RESET)
WDI < MR >
PFO
R2
3.6V
LITHIUM
BATTERY
PFI MAX690T/S/R WDI
MAX802T/S/R
MAX804T/S/R
MAX805T/S/R
VBATT V OUT
GND
0.1 μ F 0.1 μ F
I/O LINE GND
BUS
V CC
CMOS RAM
GND
DIP/SO
( ) ARE FOR MAX804T/S/R, MAX805T/S/R
< > ARE FOR MAX704T/S/R, MAX806T/S/R
( ) ARE FOR MAX804T/S/R, MAX805T/S/R
See last page for MAX704T/S/R, MAX806T/S/R.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX806SCPA+ | 功能描述:监控电路 3/3.3V MPU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX806SCSA | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX806SCSA+ | 功能描述:监控电路 3/3.3V MPU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX806SCSA+T | 功能描述:监控电路 3/3.3V MPU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX806SCSA-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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