Features: • Good space factor due to single-end package.• Easy to design printed circuit pattern due to 3mm-pitch pin interval.• Double-balanced type MIX : Improvement in IF interference, spurious interference.• Normal AGC : Less variation in detector output to input.•...
LA1130: Features: • Good space factor due to single-end package.• Easy to design printed circuit pattern due to 3mm-pitch pin interval.• Double-balanced type MIX : Improvement in IF interf...
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• Good space factor due to single-end package.
• Easy to design printed circuit pattern due to 3mm-pitch pin interval.
• Double-balanced type MIX : Improvement in IF interference, spurious interference.
• Normal AGC : Less variation in detector output to input.
• RF wide-band AGC : Improvement in cross modulation distortion, especially strong input characteristics in varactor diode tuning applications because of low operating level (300mVrms).
• AGC drive output for FET : Possible to apply AGC to FET at input stage in varactor diode tuning applications.
• ALC at OSC stage : Improvement in tracking error due to stabilized low-level (350mVrms) oscillation output in varactor diode tuning applications.
• Reference voltage output : Possible to use 5.6V reference voltage for other bias (FET, etc.).
• VCC variation compensation : Less variation in gain, distortion, etc. (7.5 to 16V)
• Less ripple voltage : Less modulation of carrier by supply voltage ripple.
• Low pop noise : Possible to reduce pop noise at the time of VCC-on, mode-on by selecting AGC time constant.
Parameter | Symbol | Conditions | Ratings | Unit |
Maximum supply voltage | VCC max | Pins 7, 13 | 16 | V |
Maximum output voltage | VO5 | Pin 5 | 17 | V |
VO8, 11 | Pins 8, 11 | 24 | V | |
Maximum input voltage | VIN max | Pin 2 | 5.6 | V |
Maximum supply current | ICC max | Total of current at pins 5, 7, 8, 11, 13 | 35 | mA |
Maximum flow-out current | I3 | Pin 3 | 6 | mA |
Allowable power dissipation | Pd max | Ta45°C | 520 | mW |
Operating temperature | Topr | 20 to +70 | °C | |
Storage temperature | Topr | 40 to +125 | °C |
The LA1130 is an IC developed for AM tuner systems in car radio applications. It provides low-level local oscillation so that it can be applied in varactor diode tuning applications as well as tuning applications.