NTE1149 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit FM Tuning System

NTE1149
Integrated Circuit
FM Tuning System
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage (Pin 14), V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Lamp Voltage, V_LAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Lamp Current, V_LAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA
Power Dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Temperature Range (V_CC = 12V), T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +60°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55 to +125°C
Electrical Characteristics: (T_A = +25°C, V_CC = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Lamp Voltage
V_LAMP Voltage Gain from Terminal 1 to 13 is 35dB − 10 16 mV
Lamp Turn ON − V_i = 10.7Mhz
Lamp Turn OFF − V_i = 10.7Mhz (Note 1)
6 10 − mV
Tuning Meter Min. Operating
Input Voltage
Voltage Gain from Terminal 1 to 13 is 35dB − 7 − mV
Tuning Meter Operating Range
− 30 −
dB
Center Meter Output Current
Muting On Output Voltage
Meter Internal Input Resistance 20kΩ,
Discriminator V_i = ±0.5V
40 60 75 µA
1.8 23 −
V
Muting Off Output Voltage
− 0.2 0.6 V
Internal Power Dissipation
P_D At Lamp ON
At Lamp OFF
− 230 − mW
− 150 − mW