Datasheet > CA3228

CA3228

更新时间： 2024-01-18 13:13:37

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
9页	116K
描述
Speed Control System with Memory

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中文翻译

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技术参数
数据手册

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CA3228 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.67
Is Samacsys：	N	Base Number Matches：	1

CA3228 数据手册

CA3228

Speed Control System with Memory

June 1999

Features

Description

• Low Power Dissipation

The CA3228 is a monolithic integrated circuit designed as an

automotive speed-control system.

• I²L Control Logic

The system monitors vehicle speed and compares it to a

stored reference speed. Any deviation in vehicle speed

causes a servo mechanism to open or close the engine

throttle as required to eliminate the speed error. The refer-

ence speed, set by the driver, is stored in a 9-bit counter.

• Power-On Reset

• On-Chip Oscillator for System Time Reference

• Single Input Line for Operator Commands

• Amplitude Encoded Control Signals

• Transient Compensated Input Commands

• Controlled Acceleration Mode

• Internal Redundant Brake and Low-Speed Disable

• Braking Disable

The reference speed can be altered by the ACCEL and

COAST driver commands. The ACCEL command causes

the vehicle to accelerate at a controlled rate; the COAST

command disables the servo, thereby forcing the vehicle to

slowdown. Application of the brake disables the servo and

places the system in the standby mode while the RESUME

command returns the vehicle to the last stored speed.

Vehicle speed and driver commands are inputs to the

integrated circuit via external sensors. Actuators are needed

to convert the output signals into the mechanical action

necessary to control vehicle speed.

Applications

• Automotive Speed Control

• Residential and Industrial Heating and Cooling

Controls

The CA3228 is supplied in a 24 lead dual-in-line plastic

package (E sufﬁx). Refer to AN7326 for application

information.

• Industrial AC and DC Motor Speed Control

• Applications Requiring Acceleration and Deceleration

Control

Ordering Information

Pinout

PART

NUMBER

CA3228 (PDIP)

TOP VIEW

TEMPERATURE

PACKAGE

CA3228E

-40 C to +85 C

24 Lead Plastic DIP

24 GND

GND

OUTPUT GATE

VACUUM CONTROL

VENT CONTROL

CONTROL AMP+

DRIVER COMMAND

COMMAND DELAY

OSCILLATOR

V MEMORY

19 CONTROL AMP OUTPUT

18 CONTROL AMP-

17 ALIGN

CURRENT SENSE SPEED

SENSOR INPUT

F/V OUT

16 V ERROR

F/V FILTER

ACCELERATE CAPACITOR

ACCELERATE RESISTOR

V_CC

V_S

BRAKE INPUT

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper I.C. Handling Procedures.

File Number 1436.3

10-31

12 3 4 5 6 7...9

中文翻译

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与CA3228相关器件

型号	品牌	获取价格	描述	数据表
CA3228E	HARRIS	获取价格	Speed Control System with Memory
CA3228E	INTERSIL	获取价格	Speed Control System with Memory
CA3232	ETC	获取价格	DIVIDE 20 PRESCALER
CA3232E	ETC	获取价格	Analog IC
CA3237	ETC	获取价格	Analog IC
CA3237E	ROCHESTER	获取价格	INFRARED, REMOTE CONTROL SUPPORT CIRCUIT, PSIP9
CA324	INTERSIL	获取价格	Quad, 1MHz, Operational Amplifiers for Commercial, Industrial, and Military Applications
CA3240	INTERSIL	获取价格	Dual, 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output
CA3240	RENESAS	获取价格	Dual, 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output
CA3240_05	INTERSIL	获取价格	Dual, 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output

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