Datasheet > CA3098E

CA3098E

更新时间： 2024-11-20 22:50:27

品牌	Logo	应用领域
英特矽尔 - INTERSIL		存储触发器光电二极管
页数	文件大小	规格书
12页	228K
描述
Programmable Schmitt Trigger with Memory, Dual Input Precision Level Detector

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CA3098E 数据手册

CA3098

January 1999

File Number 896.5

Programmable Schmitt Trigger with

Memory, Dual Input Precision Level

Detector

Features

• Programmable Operating Current

• Micropower Standby Dissipation

The CA3098 Programmable Schmitt Trigger is a monolithic

silicon integrated circuit designed to control high operating

current loads such as thyristors, lamps, relays, etc. The

CA3098 can be operated with either a single power supply

with maximum operating voltage of 16V, or a dual power

supply with maximum operating voltage of 8V. It can

directly control currents up to 150mA and operates with

microwatt standby power dissipation when the current to be

controlled is less than 30mA. The CA3098 contains the

following major circuit function features (see Block Diagram):

• Direct Control of Currents Up to. . . . . . . . . . . . . . . 150mA

• Low Input On/Off Current of Less Than 1nA for

Programmable Bias Current of 1µA

)

• Built-in Hysteresis . . . . . . . . . . . . . . . . . . . . . 20mV (Max)

itt

ith

Applications

• Control of Relays, Heaters, LEDs, Lamps, Photosensitive

Devices, Thyristors, Solenoids, etc.

• Signal Reconditioning

1. Differential amplifiers and summer: the circuit uses two

differential amplifiers, one to compare the input voltage

with the “high” reference, and the other to compare the

input with the “low” reference. The resultant output of the

differential amplifiers actuates a summer circuit which

delivers a trigger that initiates a change in state of a flip-

flop.

• Phase and Frequency Modulators

• On/Off Motor Switching

)

()

• Schmitt Triggers, Level Detectors

• Time Delays

2. Flip-flop: the flip-flop functions as a bistable “memory”

element that changes state in response to each trigger

command.

• Overvoltage, Overcurrent, Overtemperature Protection

• Battery-Operated Equipment

• Square and Triangular-Wave Generators

duc

tor,

3. Driver and output stages: these stages permit the circuit

to “sink” maximum peak load currents up to 150mA at

terminal 3.

Part Number Information

4. Programmable operating current: the circuit incorporates

access at terminal 2 to permit programming the desired

quiescent operating current and performance parameters.

PART

NUMBER

TEMP

RANGE ( C)

PACKAGE

PKG. NO.

CA3098E

-55 to 125

8 Ld PDIP

E8.3

Pinout

ent,

CA3098

(PDIP)

TOP VIEW

LOW REF.

+IN

HIGH REF.

V+

BIAS

OUT

low

ut,

V-

CURRENT

CONTROL

ure

itt

ilt

is,

put

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc.

12 3 4 5 6 7...12

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