Features: • Improvements over the LA1832 - The MPX VCO circuit has been integrated on the same IC (no ceramic element required) - Built-in adjacent channel interference reduction function (114 kHz, 190 kHz) - Built-in pilot canceler function (19 kHz) - AM and FM output levels can be set inde...
LA1833N: Features: • Improvements over the LA1832 - The MPX VCO circuit has been integrated on the same IC (no ceramic element required) - Built-in adjacent channel interference reduction function (114...
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• Improvements over the LA1832
- The MPX VCO circuit has been integrated on the same IC (no ceramic element required)
- Built-in adjacent channel interference reduction function (114 kHz, 190 kHz)
- Built-in pilot canceler function (19 kHz)
- AM and FM output levels can be set independently
- Improved FM reception characteristics (IF beating improved)
• Other features
- Pin arrangement nearly identical to that of the LA1832
- AM coil specifications can be the same as those used for the LA1832.
- ST operating dynamic range improved over that of the LA1833
- FM total harmonic distortion detuning characteristics and signal-to-noise ratio improved over those of the LA1833
Parameter | Symbol | Conditions | Ratings | Unit |
Maximum supply voltage | VCC max | 9 | V | |
Allowable power dissipation | Pd max | (LA1833N) | 400 | mW |
(LA1833NM) (Ta 45°C) | 400 | mW | ||
(LA1833NM) (Ta = 70°C) | 270 | mW | ||
Operating temperature | Topr | 20 to +70 | °C | |
Storage temperature | Tstg | 40 to +125 | °C |
The LA1833N/NM is an AM/FM IF and MPX system-onchip IC that supports electronic tuning for home stereo systems. It is optimal for use in auto-seek systems that use SD (station detect) and IF counting in parallel.