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MAX690AMJA+

更新时间： 2024-11-26 21:15:55
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
14页 623K
描述
Power Supply Management Circuit, Fixed, 1 Channel, CDIP8, ROHS COMPLIANT, CERAMIC, DIP-8

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MAX690AMJA+ 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：DIP包装说明：DIP,
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.1其他特性：RESET THRESHOLD VOLTAGE IS 4.65V
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：R-GDIP-T8信道数量：1
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-55 °C
封装主体材料：CERAMIC, GLASS-SEALED封装代码：DIP
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：5.08 mm最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：1.2 V标称供电电压 (Vsup)：5 V
表面贴装：NO温度等级：MILITARY
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.62 mmBase Number Matches：1

MAX690AMJA+ 数据手册

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19-4333; Rev 4; 12/05  
Microprocessor Supervisory Circuits  
__________________General Description  
___________________________Features  
♦ Precision Supply-Voltage Monitor:  
4.65V for MAX690A/MAX802L/MAX805L  
4.40V for MAX692A/MAX802M  
The MAX690A/MAX692A/MAX802L/MAX802M/MAX805L  
reduce the complexity and number of components  
required for power-supply monitoring and battery-control  
functions in microprocessor (µP) systems. They signifi-  
cantly improve system reliability and accuracy compared  
to separate ICs or discrete components.  
♦ Reset Time Delay – 200ms  
♦ Watchdog Timer – 1.6sec Timeout  
♦ Battery-Backup Power Switching  
♦ 200µA Quiescent Supply Current  
These parts provide four functions:  
1) A reset output during power-up, power-down, and  
brownout conditions.  
2) Battery-backup switching for CMOS RAM, CMOS  
µP, or other low-power logic.  
3) A reset pulse if the optional watchdog timer has not  
been toggled within 1.6sec.  
4) A 1.25V threshold detector for power-fail warning or  
low-battery detection, or to monitor a power supply  
other than +5V.  
The parts differ in their reset-voltage threshold levels  
and reset outputs. The MAX690A/MAX802L/MAX805L  
generate a reset pulse when the supply voltage drops  
below 4.65V, and the MAX692A/MAX802M generate a  
reset below 4.40V. The MAX802L/MAX802M guaran-  
tee power-fail accuracies to 2ꢀ. The MAX805L is the  
same as the MAX690A except that RESET is provided  
instead of RESET.  
♦ 50nA Quiescent Supply Current in Battery-  
Backup Mode  
♦ Voltage Monitor for Power-Fail or Low-Battery  
Warning  
♦ Power-Fail Accuracy Guaranteed to 2%  
(MAX802L/M)  
♦ Guaranteed RESET Assertion to VCC = 1V  
♦ 8-Pin SO and DIP Packages  
______________Ordering Information  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
8 Plastic DIP  
8 SO  
MAX690ACPA  
MAX690ACSA  
MAX690AC/D  
MAX690AEPA  
MAX690AESA  
MAX690AMJA  
0°C to +70°C  
0°C to +70°C  
Dice*  
All parts are available in 8-pin DIP and SO packages.  
The MAX690A/MAX802L are pin compatible with the  
MAX690 and MAX694. The MAX692A/MAX802M are  
pin compatible with the MAX692.  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
8 Plastic DIP  
8 SO  
8 CERDIP**  
_______________________Applications  
Ordering Information continued on last page.  
* Dice are specified at TA = +25°C  
**Contact factory for availability and processing to MIL-STD-883.  
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.  
Battery-Powered Computers and Controllers  
Intelligent Instruments  
Automotive Systems  
Critical µP Power Monitoring  
__________Typical Operating Circuit  
_________________Pin Configurations  
UNREGULATED DC REGULATED +5V  
TOP VIEW  
V
CC  
O.1µF  
V
CC  
RESET  
NMI  
R
1
RESET  
PFO  
V
OUT  
1
2
3
4
8
7
6
5
VBATT  
µP  
MAX690A  
MAX692A  
MAX802L  
MAX802M  
MAX805L  
V
CC  
RESET (RESET)  
WDI  
PFI  
WDI  
I/O LINE  
GND  
GND  
PFI  
3.6V  
LITHIUM  
BATTERY  
R
2
V
BATT  
V
OUT  
GND  
PFO  
V
CC  
CMOS  
RAM  
DIP/SO  
MAX690A  
MAX802L  
GND  
(
) ARE FOR MAX805L ONLY.  
________________________________________________________________ Maxim Integrated Products  
1
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.  
1234567...14

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