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參數資料

UC1633

UC2633

UC3633

Determining the Oscillator Frequency

The frequency at the oscillator is determined by the de-

sired RPM of the motor, the divide ratio selected, the

number of poles in the motor, and the state of the double

edge select pin.

OSC

(Hz) = (Divide Ratio)

(Motor RPM)

(1/60 SEC/MIN)

(No. of Rotor Poles/2)

(x 2 if Pin 5 Low)

The resulting reference frequency appearing at the phase

detector inputs is equal to the oscillator frequency divided

by the selected divide ratio. If the double edge option is

used, (Pin 5 low), the frequency of the sense amplifier in-

put signal is doubled by responding to both the rising and

falling edges of the input signal. Using this option, the loop

reference frequency can be doubled for a given motor

RPM.

APPLICATION AND OPERATING INFORMATION

Recommended Oscillator Configuration Using AT Cut Quartz Crystal

External Reference Frequency Input

Method for Deriving Rotation Feedback Signal from Analog Hall Effect Device

*This signal may require filtering if chopped mode drive scheme is used.

相關PDF資料	PDF描述
UC2727J	Single channel high side driver
UC1727J	8-bit MCU for automotive with Flash or ROM, 10-bit ADC, 5 timers, SPI, LINSCI", active CAN
UC2727LP	SINGLE CHANNEL HIGH SIDE SOLID STATE RELAY
UC1727LP	8-bit MCU for automotive with Flash or ROM, 10-bit ADC, 5 timers, SPI, LINSCI", active CAN
UC3727QP	DMOS full bridge driver

相關代理商/技術參數	參數描述
UC3634	制造商:TI 制造商全稱:Texas Instruments 功能描述:Phase Locked Frequency Controller
UC3634DW	制造商:未知廠家制造商全稱:未知廠家功能描述:Analog Phase-Locked Loop
UC3634DWTR	制造商:未知廠家制造商全稱:未知廠家功能描述:Analog Phase-Locked Loop
UC3634Q	制造商:未知廠家制造商全稱:未知廠家功能描述:Analog Phase-Locked Loop
UC3634QTR	制造商:未知廠家制造商全稱:未知廠家功能描述:Analog Phase-Locked Loop

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