8-28

Absolute Maximum Ratings

Thermal Information

Supply Voltage

Between V+ and Frame GND . . . . . . . . . . . . . . . . . . . . . . . . . 16V

Between V+ and Substrate GND . . . . . . . . . . . . . . . . . . . . . . 16V

DC Current (Out of Delayed AGC) . . . . . . . . . . . . . . . . . . . . . . . 2mA

Operating Conditions

Thermal Resistance (Typical, Note 1)

θ

PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

90

SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

80

(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.

Electrical Specifications

V+ = 12V (See Figures 3 and 4)

(NOTE 3)

PARAMETER

TEST CONDITIONS

TEMP.

MIN

TYP

MAX

UNITS

DC CHARACTERISTICS

Quiescent Circuit Current

No signal input, Non muted

25

16

23

30

mA

DC Voltages

Terminal 1 (IF Input)

25

1.2

1.9

2.4

V

Terminal 2 (AC Return to Input)

25

1.2

1.9

2.4

V

Terminal 3 (DC Bias to Input)

25

1.2

1.9

2.4

V

Terminal 6 (Audio Output)

25

5.0

5.6

6.0

V

Terminal 10 (DC Reference)

25

5.0

5.6

6.0

V

DYNAMIC CHARACTERISTICS

-

Deviation =

±75kHz

25

-

12

25

µV

AM Rejection (Terminal 6), AMR

AM Mod. = 30%

25

45

55

-

dB

25

300

400

500

mV

Total Harmonic

Distortion, THD

(Note 2)

Single Tuned (Terminal 6)

25

-

0.5

1.0

%

Double Tuned (Terminal 6)

25

-

0.1

-

%

Signal Plus Noise to Noise Ratio (Terminal 6)

25

60

67

-

dB

NOTES:

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

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.)

-100

CHANGE IN FREQUENCY (kHz)

-50

0

50

100

-125

-100

-75

-50

-25

0

25

50

75

100

125

µA

5k

Ω

10

7

100K

10K

1K

100

10

1

INPUT SIGNAL (

µV)

0

-10

-20

-30

-40

-50

-60

6

5

4

3

2

1

RECOVERED AUDIO FROM FULL OUTPUT

(LEFT COORDINATE)

TUNER AGC DC VOLTAGE AT

TERM. 15 (RIGHT COORDINATE)

VOLTAGE AT TERMINAL 13

METER CIRCUIT (33k

Ω TO GND)

(RIGHT COORDINATE)

CA3089