DESCRIPTION

STV5728is intended for 4 heads VCR applications with HIFI. It includes all the electrical functions necessary to achieve play-backand record processing. Record or PlaybackMode can be selected through SWR Pin. SWH allows to select the video head input (H1SP or H2SP, H1LP or H2LP), while SWM will select the mode SP or LP. The SWFMH will select the FM input head sin Playback and will mute the HIFI record amplifier in Record Mode.

■ ONE 5V POWER SUPPLY

■ PLAYBACK/RECORD MODE SELECTION THROUGH A LOGIC INPUT

■ PINNING COMPATIBLE WITH STV5725 AND STV5727

■ SO28 PACKAGE

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 FOR VIDEO

■ AGC AMPLIFIER FOR HIFI