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File name:la1175.pdf
[preview LA1175]
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Mfg:Sanyo
Model:LA1175 🔎
Original:LA1175 🔎
Descr:LA1175 & LA1175M FM front end for car radio, home stereo applications
Group:Electronics > Components > Integrated circuits
Uploaded:09-03-2004
User:plamensl
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File name la1175.pdf

Ordering number : EN2276B Monolithic Linear IC LA1175, 1175M FM Front End For Car Radio, Home Stereo Applications Functions · Double-balanced type MIX, PIN diode drive AGC output, MOS FET gate drive AGC output, keyed AGC, differential IF amplifier, buffer amplifier for oscillation, local oscillation. Package Dimensions unit: mm 3020A-SIP16 [LA1175] Features · By using the keyed AGC system, which is effective in improving the sensitivity suppression characteristic, in combination with the antenna damping AGC (PIN diode driver on chip) and MOS FET 2nd gate drive AGC, the intermodulation characteristic for a large undesired signal is greatly improved. It is also possible to use the keyed AGC system in combination with the antenna damping AGC or MOS FET 2nd gate drive AGC. · The temperature characteristic and noise figure are improved. The same supply voltage makes it easy to use the LA1175, 1175M. SANYO: SIP16 unit: mm 3035A-MFP16 [LA1175M] SANYO: MFP16 Specifications Maximum Ratings at Ta=25°C Parameter Maximum supply voltage Allowable power dissipation Symbol VCC max Pd max Pins 8, 9 LA1175 : Ta70°C LA1175M : Ta70°C Mounted on PCB (bakelite) of 40mm×48mm×1.8mm Operating temperature Storage temperature Topr Tstg 2 Conditions Pins 4, 14 Ratings 9.5 15 460 435 Unit V V mW mW ­20 to +70 ­40 to +125 °C °C SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 93097HA (KT)/D0994JN/3237TA/8226KI, TS No.2276-1/14 LA1175, 1175M Operating Conditions at Ta=25°C Parameter Recommended supply voltage Operating voltagerange Symbol VCC VCC op Conditions Pin 4, 8, 9, 14 Ratings 8 8 to 9 Unit V V Electrical Characteristics at Ta=25°C, VCC=8V, See specified Test Circuit. Parameter Current drain AGC high-level voltage AGC low-level voltage IF input resistance AGC control input Voltage gain Input limiting voltage AGC input voltage Saturation output voltage OSC BUFF output ANT damping drive current Symbol ICC VAGCH VAGCL RIN VCL7 VCL2 AV VINlim ViAGC VOUT VOSC BUFF IANT-D VIN=100dBµ, VAGC=7V VIN=100dBµ, VAGC=2V LA1175 : VIN=75dBµ LA1175M : VIN=75dBµ LA1175 : Referenced to VIN=110dBµ LA1175M : Referenced to VIN=110dBµ VAGC=2V LA1175 : VIN=110dBµ LA1175M : VIN=110dBµ 1k load VIN=100dBµ 1.1 99 97 81 80 67 110 100 105 4.5 Conditions Pins 4, 8, 9, 14 : no input VIN=0dBµ, VCL=4V VIN=100dBµ, VCL=4V 260 Ratings min 23.0 7.6 typ 28.0 7.9 0.2 330 0.25 1.6 102 100 88 87 74 114 113 109 6.0 8.0 0.7 400 0.5 2.1 105 103 95 94 81 max 33.0 Unit mA V V V V dBµ dBµ dBµ dBµ dBµ dBµ dBµ dBµ mA Allowable power dissipation, Pd max ­ mW Ambient temperature, Ta ­ °C Allowable power dissipation, Pd max ­ mW Ambient temperature, Ta ­ °C No.2276-2/14 LA1175, 1175M Equivalent Circuit Block Diagram and Peripheral Circuit : LA1175 Unit (resistance : , capacitance : F) MIX output IFT 10mm YT-20577 (Mitsumi) 014-022 (Sumida) EKSC-30174FCU (Toko) OSC coil YT-30013 (Mitsumi) WIRE 0.8 inside dia. 6mm

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