TDA7220 Datasheet, PDF (9/16 Pages) STMicroelectronics – VERY LOW VOLTAGE AM-FM RADIO

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 (V_S = 3V, R_L = 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