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LA1145 Datasheet(PDF) 2 Page - Sanyo Semicon Device |
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LA1145 Datasheet(HTML) 2 Page - Sanyo Semicon Device |
2 / 17 page Specifications [LA1145] Maximum Ratings at Ta=25°C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max Pin 12 14 V Maximum supply current ICC max Pin 12 45 mA Allowable power dissipation Pd max Ta = 65 °C 630 mW Ta = 70°C 590 mW Operating temperature Topr –20 to +70 °C Storage temperature Tstg –40 to +150 °C Operating Conditions at Ta=25°C Parameter Symbol Conditions Ratings Unit Recommended supply voltage VCC 8V Operating voltage range VCC op 7.5 to 14 V Operating Characteristics at Ta = 25°C,VCC =8 V, fin = 10.7 MHz Parameter Symbol Conditions min typ max Unit Quiescent current ICCO VIN = 0 dBµ 18 26 36 mA Current drain ICC VIN = 100 dBµ 20 29 36 mA Demodulation output VO VIN = 100 dBµ, 400 Hz tone, 100% 300 400 520 mVrms Total harmonic distortion THD VIN = 100 dBµ, 400 Hz tone, 100%, single tuning coil 0.3 0.8 % Signal-to-noise ratio S/N VIN = 100 dBµ, 400 Hz tone, 100% 79 85 dB Input limiting voltage VIN (lim) 400 Hz tone, 100%, soft mute ON 34 40 46 dBµ Muting sensitivity VIN (mute) V15 = 2 V 30 36 42 dBµ Muting bandwidth BW(mute) VIN = 100 dBµ, V18 % 0.3 V 140 190 280 kHz Muting attenuation mute(1) VIN = 100 dBµ, V15 =2 V, 400 Hz tone, 100% 10 15 20 dB mute(2) VIN = 100 dBµ, V15 =4V, 400Hz tone, 100% 25 29 33 dB Signal strength indication output V16-0 VIN = 0 dBµ, RA =10kΩ, pin 16 0 0.1 0.4 V V16-50 VIN = 50 dBµ, RA =10kΩ, pin 16 1.4 2.3 3.2 V V16-70 VIN = 70 dBµ, RA =10kΩ, pin 16 2.5 4.5 5.5 V V16-100 VIN = 100 dBµ, RA =10kΩ, pin 16 5.0 5.5 6.0 V Muting drive output V15-0 VIN = 0 dBµ, pin 15 4.0 4.8 5.5 V V15-100 VIN = 100 dBµ, pin 15 0 0 0.3 dB AM rejection ratio AMR VIN = 100 dBµ, 1 kHz tone, 30% AM 57 70 dB Offset voltage V7-11 VIN = 0 dBµ, pins 7 to 11 –0.25 0 +0.25 V V8-11 VIN = 0 dBµ, pin 8 to 11 –0.5 0 +0.5 V SD sensitivity VSD Pin 18 50 58 66 dBµ IF count output level VIN (IF) VIN = 100 dBµ, pin 13, CL = 10 pF 110 180 280 mVrms [LA1145M] Maximum Ratings at Ta=25°C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max Pin 13 14 V Maximum supply current ICC max Pin 13 45 mA Allowable power dissipation Pd max Ta = 70°C, mounted on PC board, independent IC 630 mW Ta = 25°C, mounted on PC board, Independent IC 630 mW Operating temperature Topr –20 to +70 °C Storage temperature Tstg –40 to +125 °C LA1145, 1145M No. 2725-2/17 |
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