MC44302A データシートの表示（PDF） - Motorola => Freescale
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MC44302A Datasheet PDF : 28 Pages
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MC44302A
Figure 13. AM Sound IF Frequency Response
4.0
0
–4.0
–8.0
–12 VCC = 5.0 V
SECAM Mode Selected
–16 Vin = 60 mVrms into Pin 23
Mod = 30% AM, 1.0 kHz
–20 RL = 10 MΩ
–24
CL = 10 pF
TA = 25°C
–28
2.0
5.0
10
20
50
100
200
INTERCARRIER FREQUENCY, PIN 23 (MHz)
Figure 14. AM Sound Detector Frequency Response
4.0
0
–4.0
–8.0
–12 VCC = 5.0 V
SECAM Mode Selected
–16 Vin = 60 mVrms into Pin 23
Mod = 30% AM
–20 RL = 10 MΩ
–24
CL = 10 pF
TA = 25°C
–28
0.1
1.0
10
100
1000
INTERCARRIER MODULATION FREQUENCY, PIN 23 (kHz)
Figure 15. AM Sound Detector Linearity
3.0
VCC = 5.0 V
NTSC Mode Selected
2.5
fC = 4.5 MHz
TA = 25°C
2.0
1.5
1.0
0.5
0 20 40 60 80 100 120 140 160
INTERCARRIER INPUT VOLTAGE, PIN 23 (mVrms)
Figure 16. Variable Audio Output Frequency Response
2.0
0
–2.0
–4.0
–6.0
–8.0
VCC = 5.0 V
Vin = 200 mVrms into Pin 3
–10
Pin 3 = 22 k to Gnd
RL = 10 MΩ
–12
CL = 10 pF
TA = 25°C
–14
0.1
1.0
10
100
1000
AUDIO FREQUENCY, PIN 3 (kHz)
10000
Figure 17. Variable Audio Output Gain
versus Volume Control Voltage
20
VCC = 5.0 V
Audio 2 Selected, Pin 3 = 22 k to Gnd
0 Vin = 200 mVrms into Pin 3
f = 1.0 kHz
TA = 25°C
–20
–40
–60
–80
0
1.0
2.0
3.0
4.0
5.0
VOLUME CONTROL VOLTAGE (V)
Figure 18. Supply Current Versus Supply Voltage
160
Pin 25 supply current measured in Figure 28 circuit
with 87.5% modulated grayscale in NTSC Mode.
120 Vin = 1.0 mVrms
fC = 45.75 MHz
TA = 25°C
80
40
Minimum
Operating
Voltage
Range
0
0
1.0 2.0 3.0 4.0 5.0 6.0 7.0
VCC, SUPPLY VOLTAGE (V)
MOTOROLA ANALOG IC DEVICE DATA
7
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