MAX8212ESA-T

更新时间： 2024-10-02 13:00:19

品牌	Logo	应用领域
美信 - MAXIM		微处理器监控
页数	文件大小	规格书
8页	69K
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数据手册

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MAX8212ESA-T 数据手册

19-0539; Rev 3; 1/95

Mic ro p ro c e s s o r Vo lt a g e Mo n it o rs

w it h P ro g ra m m a b le Vo lt a g e De t e c t io n

/MAX812

________________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

♦ µP Power-Fail Warning

Maxim’s MAX8211 and MAX8212 are CMOS micropower

voltage detectors that warn microprocessors (µPs) of

power failures. Each contains a comparator, a 1.5V

bandgap reference, and an open-drain N-channel output

driver. Two external resistors are used in conjunction with

the internal reference to set the trip voltage to the desired

level. A hysteresis output is also included, allowing the user

to apply positive feedback for noise-free output switching.

♦ Improved 2nd Source for ICL8211/ICL8212

♦ Low-Power CMOS Design

♦ 5µA Quiescent Current

♦ On-Board Hysteresis Output

♦ ±40mV Threshold Accuracy (±3.5%)

♦ 2.0V to 16.5V Supply-Voltage Range

♦ Define Output Current Limit (MAX8211)

♦ High Output Current Capability (MAX8212)

The MAX8211 provides a 7mA current-limited output sink

whenever the voltage applied to the threshold pin is less

than the 1.5V internal reference. In the MAX8212, a voltage

greater than 1.5V at the threshold pin turns the output

stage on (no current limit).

_______________Ord e rin g In fo rm a t io n

The CMOS MAX8211/MAX8212 are plug-in replacements

for the bipolar ICL8211/ICL8212 in applications where the

maximum supply voltage is less than 16.5V. They offer sev-

eral performance advantages, including reduced supply

current, a more tightly controlled bandgap reference, and

more a va ila b le c urre nt from the hys te re s is outp ut.

PART

TEMP. RANGE

PIN-PACKAGE

8 Plastic DIP

8 SO

MAX8211CPA

MAX8211CSA

MAX8211CUA

MAX8211CTY

MAX8211EPA

MAX8211ESA

MAX8211EJA

MAX8211ETY

MAX8211MJA

MAX8211MTV

0°C to +70°C

8 µMAX

0°C to +70°C

8 TO-99

-40°C to +85°C

-55°C to +125°C

8 Plastic DIP

8 SO

________________________Ap p lic a t io n s

µP Voltage Monitoring

8 CERDIP

8 TO-99

Undervoltage Detection

8 CERDIP

8 TO-99

Overvoltage Detection

Ordering Information continued on last page.

* Contact factory for dice specifications.

Battery-Backup Switching

Power-Supply Fault Monitoring

Low-Battery Detection

___________________P in Co n fig u ra t io n

___________Typ ic a l Op e ra t in g Circ u it

V+

TOP VIEW

V+

N.C.

V+

HYST

µP

NMI

OUT

N.C.

HYST

THRESH

OUT

MAX8211

MAX8212

MAX8211

N.C.

THRESH

GND

DIP/SO

LOGIC-SUPPLY UNDERVOLTAGE DETECTOR

(Detailed Circuit Diagram–Figure 5)

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .

12 3 4 5 6 7 8

中文翻译

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与MAX8212ESA-T相关器件

型号	品牌	获取价格	描述	数据表
MAX8212ETV	MAXIM	获取价格	Voltage Detector
MAX8212ETY	MAXIM	获取价格	Microprocessor Voltage Monitors with Programmable Voltage Detection
MAX8212MJA	MAXIM	获取价格	Microprocessor Voltage Monitors with Programmable Voltage Detection
MAX8212MJA/883	MAXIM	获取价格	Voltage Detector
MAX8212MJA/HR	MAXIM	获取价格	Voltage Detector
MAX8212MSA/PR	MAXIM	获取价格	Microprocessor Voltage Monitors with Programmable Voltage Detection
MAX8212MSA/PR-T	MAXIM	获取价格	Microprocessor Voltage Monitors with Programmable Voltage Detection
MAX8212MTV	MAXIM	获取价格	Microprocessor Voltage Monitors with Programmable Voltage Detection
MAX8212MTV/883	MAXIM	获取价格	Voltage Detector
MAX8212MTV/HR	MAXIM	获取价格	Voltage Detector

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