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BA335

更新时间： 2024-01-28 12:58:43

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BA335 数据手册

Audio ICs

BA335

FAttached components

C¹: Input coupling capacitor. 1 to 2.2µF recommended.

C²: AC bypass capacitor. 0.1 to 0.47µF recommended.

R¹, C3 : Resistor and capacitor for setting time delay.

R², C4 : Resistor and capacitor for ripple filter.

FInput characteristics

As shown in Fig. 4, V^P6and VP8 invert when the input

reaches approximately *45dBm. V^P8is designed to be

able to directly drive the NPN small signal transistor at

this time. When on, V^P6is capable of accepting a maxi-

mum of 600mA of current (this will vary as shown in the

duty cycle table). A continuous ON should last for no

more than 3 seconds.

Time delay using the hysteresis comparator is asfollows.

When an input signal of *45dBm or more goes to noth-

ing ceases, the electrical potential of Pin 2 begins to fall

due to the CR circuit connected to Pin 2. The time until

thehysteresiscomparatorinvertsisthetimedelay. When

deciding the values of the capacitor and resistor, select

a resistor value from 100 to 500kΩ.

831

1 234

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