Features: • Improved noise reduction methods - The FM front end provides excellent 3-signal characteristics equivalent to those of the LA1193M. - Superlative listenability due to improved medium and weak field noise canceller characteristics. - Improved separation characteristics - Anti-bird...
LA1784M: Features: • Improved noise reduction methods - The FM front end provides excellent 3-signal characteristics equivalent to those of the LA1193M. - Superlative listenability due to improved medi...
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• Improved noise reduction methods
- The FM front end provides excellent 3-signal characteristics equivalent to those of the LA1193M.
- Superlative listenability due to improved medium and weak field noise canceller characteristics.
- Improved separation characteristics
- Anti-birdie filter
- Improved AM and FM thermal characteristics
- Excellent FM signal meter linearity
- Modified N.C. circuit for improved noise rejection
• Double conversion AM tuner (up conversion) Reduces the number of external components required as compared to earlier double conversion tuners, in particular, no crystal is required (when used in conjunction with the LC72144).
• Sample-to-sample variation reduction circuit built into the FM IF circuit. (Fixed resistors are used for the SD, keyed AGC, mute on adjustment, ATT, SNC, and HCC functions.)
• The LA1784 inherits the block arrangement of the LA1780M and supports pin-compatible designs.
Parameter | Symbol | Conditions | Ratings | Unit |
Maximum supply voltage | VCC1 max | Pins 6, 40, and 61 | 9 | V |
VCC2 max | Pins 7, 45, 54, 59, and 60 | 12 | V | |
Allowable power dissipation | Pd max | Ta 55°C | 950 | mW |
Operating temperature | Topr | 40 to +85 | °C | |
Storage temperature | Tstg | 40 to +150 | °C |