CSPT857CPAG

Ratio - Input:Output:	1:10
Base Part Number:	IDTCSPT857
Supplier Device Package:	48-TSSOP
Package / Case:	48-TFSOP (0.240", 6.10mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	2.3 V ~ 2.7 V
Frequency - Max:	220MHz
Differential - Input:Output:	Yes/Yes
Series:	--
Number of Circuits:	1
Output:	Clock
Input:	Clock
Main Purpose:	Memory, DDR, SDRAM
PLL:	Yes
Part Status:	Obsolete
Packaging:	Tube

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Introduction

CSPT857CPAG is an advanced programmable delay timer designed for use in a wide range of timing applications. It provides a simple, intuitive way to establish precise timing intervals that can be used in speed control, motor positioning, and circuit protection. The timer is programmed using push buttons and LCD display and is simple enough to be used by operators with almost no prior experience with timing systems.

Application Field

CSPT857CPAG is well-suited for use in industrial, automotive, consumer, and medical applications. It can be used for controlling machine processes such as conveyors, packaging, and printing. It can be used to control motors, pumps, and compressors, as well as for controlling kitchen and bathroom appliances. In automotive applications, it can be used to provide uniform acceleration and deceleration of vehicles, enabling improved fuel economy and longer vehicle life. It also has applications in consumer and medical devices, such as automatic doors, bathroom scales, and medical equipment.

Working Principle

The CSPT857CPAG is based on a dual-comparator, differential input technique. It consists of an oscillator whose frequency is determined by the capacitance of an external capacitor, along with two comparators. The first comparator detects the point at which the frequency of the oscillator has reached the preset limit. At that point, the second comparator compares the voltage of the oscillator to the voltage of a reference voltage. If the voltage of the reference voltage is lower than that of the oscillator, the circuit is switched off and the delay time elapses.The timer can be set to provide delays from 0.5 to 99.9 seconds in 0.1 second increments, with the delay time being accurately maintained regardless of the load on the circuit. It features a built-in watchdog timer to prevent unexpected resets due to power outages. It also features a simple push-button programming interface that allows the user to easily adjust timing parameters.

Conclusion

CSPT857CPAG is an advanced programmable timer designed for use in a wide range of industrial, automotive, consumer, and medical applications. It is based on a dual-comparator, differential input technique and provides delays from 0.5 to 99.9 seconds in 0.1 second increments. It features a push-button programming interface, a built-in watchdog timer, and accurate timing parameters.

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