TDA7220D Ver la hoja de datos (PDF) - STMicroelectronics

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TDA7220D

VERY LOW VOLTAGE AM-FM RADIO

STMicroelectronics 

Figure 15 : DC Output Voltage (Pin 9) versus

Supply Voltage (FM section)

TDA7220

Figure 16 : AFC Output Voltage (Pin 9) versus

Frequency Deviation (FM section)

Figure 17 : Drain Current versus Supply Voltage

APPLICATION INFORMATION

TYPICAL PERFORMANCE OF THE RADIO RECEIVER OF FIGURE 18 (VS = 3V, RL = 32Ω)

Wavebands

Parameter

Sensitivity

Distortion

(fm = 1kHz)

Signal to Noise

(fm = 1kHz)

Amplitude Modulation Rejection

Quiescent Current

Supply Voltage Range

Test Conditions

FM

AM

FM S/N = 26dB, ∆f = 22.5kHz

AM S/N = 6dB, m = 0.3

AM S/N = 26dB, m = 0.3

FM PO = 20mW

VI = 100µV

AM

∆f = 22.5kHz

∆f = 75kHz

m = 0.3

FM PO = 20mW

AM VI = 100µV

∆f = 22.5kHz

m = 0.3

FM VI = 100µV, ∆f = 22.5kHz, m = 0.3

Value

87.5 to 108

510 to 1620

3

2

10

0.5

1.8

1.1

60

45

40

16

1.6 to 3

Unit

MHz

kHz

µV

µV

µV

%

%

%

dB

dB

dB

mA

V

9/16

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