MC3359
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted)
Rating
Pin
Symbol
Power Supply Voltage
4
VCC(max)
Operating Supply Voltage Range
q Input Voltage (VCC 6.0 Volts)
4
VCC
18
V18
Mute Function
16
V16
Junction Temperature
–
TJ
Operating Ambient Temperature Range
–
TA
Storage Temperature Range
–
Tstg
Value
12
6 to 9
1.0
– 0.7 to 12
150
– 30 to + 70
– 65 to + 150
Unit
Vdc
Vdc
Vrms
Vpk
°C
°C
°C
ELECTRICAL CHARACTERISTICS (VCC = 6.0 Vdc, fo = 10.7 MHz, ∆f = ± 3.0 kHz, fmod = 1.0 kHz, 50 Ω source, TA = 25°C test circuit
of Figure 3, unless otherwise noted)
Characteristics
Min
Typ
Max
Units
Drain Current (Pins 4 and 8)
Squelch Off
–
Squelch On
–
3.6
6.0
mA
5.4
7.0
Input for 20 dB Quieting
Input for – 3.0 dB Limiting
–
8.0
–
µVrms
–
2.0
–
µVrms
Mixer Voltage Gain (Pin 18 to Pin 3, Open)
–
46
–
Mixer Third Order Intercept, 50 Ω Input
Mixer Input Resistance
Mixer Input Capacitance
–
– 1.0
–
dBm
–
3.6
–
kΩ
–
2.2
–
pF
Recovered Audio, Pin 10
(Input Signal 1.0 mVrms)
450
700
–
mVrms
Detector Center Frequency Slope, Pin 10
–
0.3
–
V/kHz
AFC Center Slope, Pin 11, Unloaded
–
12
–
V/kHz
Filter Gain (test circuit of Figure 3)
40
51
–
dB
Squelch Threshold, Through 10K to Pin 14
–
0.62
–
Vdc
Scan Control Current, Pin 15
Pin 14 – High
–
0.01
1.0
µA
Pin 14 – Low
2.0
2.4
–
mA
Mute Switch Impedance
Pin 16 to Ground
Pin 14 – High
–
Pin 14 – Low
5.0
10
Ω
1.5
–
MΩ
Ceramic
Filter
muRata
CFU455D
or
Kyocera
KBF455P–20A
Lp = 1.0 mH
Cp = 120 pF
Rp = 100 kΩ
Figure 3. Test Circuit
VCC
10.245 MHz
220 pF
1
68
pF
2
3
0.1 µF
18
51
17
2.4 k
16
+
4
15
I
Input
10.7 MHz
Audio Gen.
0.7 Vp–p
5
6
0.1 µF 0.1 µF
7
68 k
8
14
10 k
13
1.0 M
1.0 k
12
1.0 µF
11
Squelch Input
Op Amp Output
Op Amp Input
AFC Output
9
100 pF
10
7.5 k
Audio Output
0.002 µF
2
MOTOROLA ANALOG IC DEVICE DATA