STV5728

STV5728 4-HEAD VIDEO AND 2-HEADS HIFI AUDIO PLAYBACK AND RECORD AMPLIFIER FOR VCR PLAYBACK MODE LOW NOISE AND WIDE BAND AMPLIFIERS FOR 4 VIDEO HEADS AUTOMATIC OFFSET CANCELLATION BETWEEN THE 2 SELECTED HEADS ONE PLAYBACK OUTPUT WITH AGC ONE PLAYBACK OUTPUT (60dB CONSTANT GAIN) ONE OUTPUT FOR AUTOMATIC VIDEO TRACKING SP/LP ENVELOPE COMPARATOR OUTPUT LOW NOISE AMPLIFIERS FOR 2 HIFI HEADS HIFI OUTPUT GAIN (70dB) RECORD MODE TRANSCONDUCTANCE AMPLIFIER VIDEO AGC AMPLIFIER FOR HIFI . . . . . . . . . . . . . . ONE 5V POWER SUPPLY PLAYBACK/RECORD MODE SELECTION THROUGH A LOGIC INPUT PINNING COMPATIBLE WITH STV5725 AND STV5727 SO28 PACKAGE voltage between the two selected heads is automatically cancelled after 32 switching head cycles. A constant output signal will be available on Pin YPB thanks to an AGC function (Automatic Gain Control). The time constant of the AGC is determined by the capacitor value connected to CAGC Pin. For Automatic Tracking, a signal which is a function of the selected input signal amplitude is present on Pin TRIV. For Trick Mode, a signal resulting from the comparison of the input signal amplitude is available on ENVC Pin. SO28 (Plastic Package) ORDER CODE : STV5728 FOR PIN CONNECTIONS H1SP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 SWR SWIN VCC RECIN CPB GND YPB TRIV ENV DESCRIPTION STV5728 is intended for 4 heads VCR applications with HIFI. It includes all the electrical functions necessaryto achieveplay-back and re...