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LA7775M

Sanyo
Part Number LA7775M
Manufacturer Sanyo
Description Wideband FSK Receiver
Published Apr 25, 2005
Detailed Description Ordering number : EN5736 Monolithic Linear Integrated Circuit LA7775M Wideband FSK Receiver Overview The LA7775M is a...
Datasheet PDF File LA7775M PDF File

LA7775M
LA7775M

Overview
Ordering number : EN5736 Monolithic Linear Integrated Circuit LA7775M Wideband FSK Receiver Overview The LA7775M is an FM receiver for CATV or FM communications equipment.
In addition to functions for FM demodulation (oscillator, mixer, limiting IF amplifier, and quadrature detection circuits) it also includes on chip an FSK data shaper circuit, an RF amplifier, and a local oscillator frequency switching circuit.
Package Dimensions unit: mm 3045B-MFP24 [LA7775M] Functions • • • • • • • RF amplifier Mixer Oscillator Oscillator switching Limiting IF amplifier Quadrature detection Data shaper SANYO: MFP24 Features • Wideband RF input • On-chip RF amplifier • On-chip oscillator frequency switching circuit Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Conditions Ratings 7 350 –20 to +75 –55 to +125 Unit V mW °C °C Operating Conditions at Ta = 25°C Parameter Recommended supply voltage Operating supply voltage range Input frequency Symbol VCC VCCop fin21, fin24 Conditions Ratings 5 4.
5 to 5.
5 40 to 350 Unit V V MHz SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 63097HA(OT) No.
5736-1/5 LA7775M Operating Characteristics at Ta = 25°C (VCC = 5 V, fo = 106.
5 MHz, fIF = 10.
7 MHz) Parameter Current drain Preamplifier input capacitance Preamplifier input resistance Preamplifier voltage gain Mixer input capacitance Mixer input resistance Mixer conversion gain –3 dB limiting sensitivity Demodulation output SAW switching threshold level Data output high level Data output low level Oscillator output Symbol ICCO Ci21 Ri21 Gp Ci24 Ri24 Gc Vi Vo V19TH V18H V18L V2 117.
2 MHz 0.
35 100 MHz 100 MHz 350 MHz 100 MHz 100 MHz 350 MHz ∆F = 75 kHz dev, at 1 kHz ∆F = 75 kHz dev, at 1 kHz 180 1.
35 4.
5 0.
5 Conditions Ratings min typ 20 7 1 15 7 1 25 10 250 1.
50 1.
65 16 max...


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