LM3089 FM Receiver IF System. AGC signal to tuner, IF level meter drive current and inThe LM3089 has been designed to provide all the major terchannel

Absolute Maximum Ratings

If Military/Aerospace specified devices are required, Power Dissipation (Note 2) 1500 mW please contact the National Semiconductor Sales Operating Temperature Range b40§C to a85§C

Office/Distributors for availability and specifications.

Storage Temperature Range                             ^b65§C to ^a150§C

Supply Voltage Between Pin 11 and Pins 4, 14                      ^a16V

Lead Temperature

DC Current Out of Pin 12                                                       5 mA                    (Soldering, 10 seconds)                                                 260§C

DC Current Out of Pin 13                                                       5 mA

DC Current Out of Pin 15                                                       2 mA

Electrical Characteristics (T_A ^e 25§C, V_CC ^ea12V, see Test Circuit)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

DC CHARACTERISTICS (V_IN ^e 0, NOT MUTED)

I11

Supply Current

16

23

30

mA

V1, 2, 3

IF Input and Bias

1.2

1.9

2.4

V

V6

Audio Output

5.0

5.6

6.0

V

V7

AFC Output

5.0

5.6

6.0

V

V10

Reference Bias

5.0

5.6

6.0

V

V12

Mute Control

5.0

5.4

6.0

V

V13

IF Level

0

0.5

V

V15

Delayed AGC

4.2

4.7

5.3

V

DYNAMIC CHARACTERISTICS f_o ^e 10.7 MHZ, Df ^e_g75 kHz @ 400 Hz

VIN(LIM)

Input Limiting ^b3 dB

12

25

mV

AMR

AM Rejection

V_IN ^e 100 mV, AM: 30%

45

55

^bdB

VO(AF)

Recovered Audio

VIN e 10 mV

300

400

500

mVrms

THD

Total Harmonic Distortion

Single Tuned (Note 1)

V_IN ^e 100 mV

0.5

1.0

%

Double Tuned (Note 1)

V_IN ^e 100 mV

0.1

0.3

%

S^aN/N

Signal to Noise Ratio

V_IN ^e 100 mV

60

70

dB

V12

Mute Control

V_IN ^e 100 mV

0

0.5

V

V13

IF Level

V_IN ^e 100 mV

4.0

5.0

6.0

V

V13

IF Level

V_IN ^e 500 mV

1.0

1.5

2.0

V

V15

Delayed AGC

V_IN ^e 100 mV

0.1

0.5

V

V15

Delayed AGC

VIN e 30 mV

2.5

V

VO(AF)

Audio Muted

V_IN ^e 100 mV, V5 ^ea2.5V

60

^bdB

Note 1: Distortion is a function of quadrature coil used.

Note 2: For operation in ambient temperatures above 25§C, the device must be derated based on a 150§C maximum junction temperature and a thermal resistance of 80§C/W junction to ambient.

Typical Performance Characteristics

Typical AGC (Pin 15) and

Typical S ^a N/N and IF Limiting                     Meter Output (Pin 13) vs                                            AM Rejection (30% Mod) vs

Sensitivity vs IF Input Signal                                                       IF Input Signal                                              IF Input Signal