TDA7330 查看數據表（PDF） - STMicroelectronics

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TDA7330

SINGLE CHIP RDS DEMODULATOR + FILTER

STMicroelectronics 

TDA7330B

APPLICATION SUGGESTION

A good DC decoupling between VCC and

GROUND is necessary: a 100nF ceramic ca-

pacitor, with low resistance and low inductance

at high frequency, directly connected on pin 16

(VCC)and 5 (GND) is recommended.

A small series inductance (100µH) or resistor

(27Ω) may be used for supply line filtering.

The Layout path pin2 - C2 - pin5 must be as

short as possible.

If the supply line, after the power on has a soft

and disturbed (spikes) slope, a capacitor of

100nF, between POR and VCC, is racom-

mended.

The various testing pins have no sense for the

customer.

Figure 4: P.C. board and component layout of fig. 3 (1:1 scale)

5/9

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