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MC34161, MC33161

Universal Voltage Monitors

The MC34161/MC33161 are universal voltage monitors intended

for use in a wide variety of voltage sensing applications. These devices

offer the circuit designer an economical solution for positive and

negative voltage detection. The circuit consists of two comparator

channels each with hysteresis, a unique Mode Select Input for channel

programming, a pinned out 2.54 V reference, and two open collector

outputs capable of sinking in excess of 10 mA. Each comparator

channel can be configured as either inverting or noninverting by the

Mode Select Input. This allows over, under, and window detection of

positive and negative voltages. The minimum supply voltage needed

for these devices to be fully functional is 2.0 V for positive voltage

sensing and 4.0 V for negative voltage sensing.

Applications include direct monitoring of positive and negative

voltages used in appliance, automotive, consumer, and industrial

equipment.

鈥?/div>

Unique Mode Select Input Allows Channel Programming

鈥?/div>

Over, Under, and Window Voltage Detection

鈥?/div>

Positive and Negative Voltage Detection

鈥?/div>

Fully Functional at 2.0 V for Positive Voltage Sensing and 4.0 V for

Negative Voltage Sensing

鈥?/div>

Pinned Out 2.54 V Reference with Current Limit Protection

鈥?/div>

Low Standby Current

鈥?/div>

Open Collector Outputs for Enhanced Device Flexibility

http://onsemi.com

MARKING

DIAGRAMS

8

PDIP鈥?

P SUFFIX

CASE 626

1

8

1

SO鈥?

D SUFFIX

CASE 751

1

x

= 3 or 4

A

= Assembly Location

WL, L = Wafer Lot

YY, Y = Year

WW, W = Work Week

3x161

ALYW

MC3x161P

AWL

YYWW

8

PIN CONNECTIONS

Simplified Block Diagram

(Positive Voltage Window Detector Application)

VCC

Input 2

8

1

2.54V

Reference

鈥?/div>

2

+

鈥?/div>

1.27V

3

+

鈥?/div>

1.27V

+

鈥?/div>

+

0.6V

5

+

2.8V

6

Gnd

3

4

(TOP VIEW)

6

5

Output 1

Output 2

Vref

Input 1

1

2

8

7

VCC

Mode Select

VS

7

ORDERING INFORMATION

Device

MC34161D

MC34161DR2

MC34161P

MC33161D

MC33161DR2

MC33161P

Package

SO鈥?

PDIP鈥?

SO鈥?

PDIP鈥?

Shipping

98 Units/Rail

2500 Tape & Reel

50 Units/Rail

98 Units/Rail

2500 Tape & Reel

50 Units/Rail

4

漏

Semiconductor Components Industries, LLC, 2000

1

April, 2000 鈥?Rev. 2

Publication Order Number:

MC34161/D

MC33161P

MC33161D 产品属性

标准包装
98
类别
集成电路 (IC)
家庭
PMIC - 监控器
系列
-
类型
多压监控器
监视电压数目
2
输出
开路漏极或开路集电极
复位
-
复位超时
-
电压 - 阀值
可调节/可选择
工作温度
-40°C ~ 105°C
安装类型
表面贴装
封装/外壳
8-SOIC（0.154"，3.90mm 宽）
供应商设备封装
8-SOICN
包装
管件

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