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LA7565B

Sanyo
Part Number LA7565B
Manufacturer Sanyo
Description IF Signal-Processing IC
Published Apr 25, 2005
Detailed Description Ordering number :EN5636 Monolithic Linear IC LA7565B, 7565BM IF Signal-Processing IC for PAL/NTSC Multi-System Audio T...
Datasheet PDF File LA7565B PDF File

LA7565B
LA7565B

Overview
Ordering number :EN5636 Monolithic Linear IC LA7565B, 7565BM IF Signal-Processing IC for PAL/NTSC Multi-System Audio TV and VCR Products Overview The LA7565B/M is a PAL/NTSC multi-system audio VIF/SIF signal-processing IC that adopts a minimaladjustment technique.
The VIF circuit adopts a minimaladjustment technique in which AFT adjustment is made unnecessary by VCO adjustment to simply end product adjustment.
The FM detector circuit uses PLL detections to support multi-system audio detection.
Since the LA7565BM include an SIF converter on chip, it is easy to implement multi-system audio.
In addition, it also includes a buzz canceller that suppresses Nyquist buzz to achieve improved audio quality.
Package Dimensions unit: mm 3067-DIP24S [LA7565B] Functions [VIF Block] • Minimal adjustment PLL detector • AFT • RF AGC • Equalizer amplifier • SIF converter [First SIF Block] • First SIF detector • Inter/split switch • HPF [SIF Block] • PLL type FM detector [Mute Block] • AV mute SANYO: DIP24S unit: mm 3112-MFP24S [LA7565BM] Features • Allows the use of a switch circuit to switch between spilt and intercarrier operation.
• Improved buzz and buzz beat characteristics provided by a PLL detector plus buzz canceller system.
• The IF AGC second filter is built in.
• PAL/NTSC multi-system audio can be implemented easily.
• Adjustment-free circuit design that does not require AFT and SIF coils.
SANYO: MFP24S SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 83097HA(OT) No.
5636-1/16 LA7565B, 7565BM Specifications Maximum Rating at Ta = 25°C Parameter Maximum supply voltage Circuit voltage Symbol VCC max V13, V17 I6 Circuit current I10 I24 (LA7565B) Allowable power dissipation Pd max Ta ≤ 68°C (LA7565BM) Ta ≤ 50°C, independent IC (LA7565BM) * Mounted on a printed circuit board Operating temperature Storage temperature Topr Tstg Conditions Ratings 10 VCC –3 –10 –2 720 420 720 –20 to +...


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