Maximum Junction Temperature (Plastic Package) . . . . . . . . 150
o
C
Maximum Storage Temperature Range . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300
o
C
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θ
JA
is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
V+ = 12V (See Figures 3 and 4)
TEMP.
(
o
C)
25
25
25
25
25
25
-
V
IN
= 0.1V,
AM Mod. = 30%
V
IN
= 0.1V
f
O
= 10.7MHz,
f
MOD
= 400Hz,
Deviation =
±75kHz
25
25
25
25
25
25
(NOTE 3)
PARAMETER
DC CHARACTERISTICS
Quiescent Circuit Current
DC Voltages
Terminal 1 (IF Input)
Terminal 2 (AC Return to Input)
Terminal 3 (DC Bias to Input)
Terminal 6 (Audio Output)
Terminal 10 (DC Reference)
DYNAMIC CHARACTERISTICS
Input Limiting Voltage (-3dB point), V
1
(lim)
AM Rejection (Terminal 6), AMR
Recovered AF Voltage (Terminal 6) V
O
(AF)
Total Harmonic
Distortion, THD
(Note 2)
NOTES:
Single Tuned (Terminal 6)
Double Tuned (Terminal 6)
TEST CONDITIONS
No signal input, Non muted
MIN
16
1.2
1.2
1.2
5.0
5.0
-
45
300
-
-
60
TYP
23
1.9
1.9
1.9
5.6
5.6
12
55
400
0.5
0.1
67
MAX
30
2.4
2.4
2.4
6.0
6.0
25
-
500
1.0
-
-
UNITS
mA
V
V
V
V
V
µV
dB
mV
%
%
dB
Signal Plus Noise to Noise Ratio (Terminal 6)
2. THD characteristics are essentially a function of the phase characteristics of the network connected between Terminals 8, 9, and 10.
3. Terminal numbers refer to 16 Lead PDIP.
Application Information
V+ = 12V, T
A
25
o
C
5kΩ
125
CURRENT INTO TERMINAL 7 (µA)
100
75
50
25
0
-25
-50
-75
-100
-125
-100
-50
0
50
100
10
7
RECOVERED AUDIO (dB) MUTING CONTROL
AT MAXIMUM RESISTANCE
V+ = 12V, T
A
= 25
o
C
0
-10
-20
-30
-40
-50
-60
1
10
100
1K
INPUT SIGNAL (µV)
10K
100K
6
RECOVERED AUDIO FROM FULL OUTPUT
(LEFT COORDINATE)
5
TUNER AGC DC VOLTAGE AT
TERM. 15 (RIGHT COORDINATE)
VOLTAGE AT TERMINAL 13
METER CIRCUIT (33kΩ TO GND)
(RIGHT COORDINATE)
4
3
2
1
µA
CHANGE IN FREQUENCY (kHz)
FIGURE 1. AFC CHARACTERISTICS (CURRENT AT
TERMINAL 7) vs CHANGE IN FREQUENCY. (SEE
TEST CIRCUIT FIGURE 3)
FIGURE 2. MUTING ACTION, TUNER AGC, AND TUNING
METER OUTPUT vs INPUT SIGNAL VOLTAGE.
(SEE TEST CIRCUIT FIGURE 3)
2
DC (V)
CA3089
Test Circuits
3K
L
(NOTE 5)
V+ = 12V
22µH
C
100
pF
9
1
10
51
3
0.01
µF
2
15
14
4
10
K
0.001
µF
33K
0.5M
150µA
FULL
SCALE
4
100
pF
5K
V+ = 12V
22µH
C
1
T (NOTE 8)
C
2
100
pF
9
1
10
51
3
0.01
µF
2
15
14
10
K
0.001
µF
33K
0.5M
150µA
FULL
SCALE
13
0.001
µF
120K
0.33µF
CA3089E
12
5
470
7
AFC OUTPUT
2.7K
6
AUDIO
OUT
0.01
µF
8.2K
5K
0.05µF
SIGNAL
INPUT
VOLTAGE
0.01µF
11
8
3.9K
7
AFC OUTPUT
2.7K
6
12
5
13
470
0.001
µF
120K
0.33µF
AUDIO
OUT
0.01
µF
SIGNAL
INPUT
VOLTAGE
0.05µF
0.01µF
11
8
CA3089E
0.02
µF
0.02
µF
TUNING METER
TUNING METER
NOTES:
4. All resistance values are in ohms.
5. L tunes with 100pF (C) at 10.7MHz.
6. Q
0
(unloaded)
≅
75 (G.I. Automatic Mfg. Div. EX22741 or equivalent)
NOTES:
7. All resistance values are in ohms.
8. T PRI. - Q
0
(unloaded)
≅
75 (tunes with 100pF (C
1
) 20↑ of 34e on
7
/ ” dia. form).
32
9. SEC. - Q
0
(unloaded)
≅
75 (tunes with 100pF (C
2
) 20↑ of 34e on
7
/ ” dia. form).
32
10. kQ (percent of critical coupling)
≅
70%.
(Adjusted for coil voltage V
C
) = 150mV.
Above values permit proper operation of mute (squelch) circuit
“E” type slugs, spacing 4mm.
FIGURE 4. TEST CIRCUIT FOR CA3089E USING A DOUBLE-
TUNED DETECTOR COIL
FIGURE 3. TEST CIRCUIT FOR CA3089E USING A SINGLE-
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