TDA7220 查看數據表（PDF） - STMicroelectronics

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TDA7220

VERY LOW VOLTAGE AM-FM RADIO

STMicroelectronics 

TDA7220

Figure 9 : Audio Output and Noise versus Input Figure 10 : Audio Output and Noise versus Input

Signal (FM section) VS = 3V

Signal (FM section) VS = 1.6V

Figure 11 : Distortion versus Input Signal

(FM section) VS = 3V

Figure 12 : Distortion versus Input Signal

(FM section) VS = 1.6V

Figure 13 : Audio Output versus Supply Voltage

(FM section)

Figure 14 : Amplified AGC Voltage (Pin 4) versus

Input Signal (FM section)

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