CXA2002R datasheet - 2-channel Recording/playback Amplifier

Details, datasheet, quote on part number: CXA2002R
PartCXA2002R
CategoryMultimedia => Video
Description2-channel Recording/playback Amplifier
CompanySony Electronics
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Features, Applications

Description The is a bipolar IC developed as recording/playback amplifiers for Hi8 VCRs. Features Recording/playback system Wideband recording/playback amplifier for Hi8 VCR Supports electronic volume (EVR) control (3V) Recording system Recording amplifier feedback dumping circuit and its EVR control function facilitates printed circuit board design. Five-input (Y, chroma, AFM, ATF and PCM) mix amplifier and EVR control function of Y and lowband recording level Ramp circuit for the recording amplifier output bias current Playback system Playback amplifier feedback dumping circuit facilitates printed circuit board design. Middle-band compensation circuit (middle tune) and independent adjustments of the center frequency, Q and boost by EVR RFAGC and dropout detection circuits Absolute Maximum Ratings Supply voltage VCC 7 Operating temperature Topr to +75 Storage temperature Tstg to +150 Allowable power dissipation PD 1100 (when mounted on the printed circuit board) Recommended Operating Condition Supply voltage Vcc EVR voltage 48 pin LQFP (Plastic)

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

REC1CONT 26 REC PB1IN 28 HEAD 15dB 2CH V/I 1CH MUTE VIDEOSW 29 RF AGC 30 VPSW1 VIDEO PBDUMP2 31 PCM 6 7 AGCDET 8 DOCDET 9 MT 12dB 10 RAMP GEN 2CH MUTE PCMSW 12


Pin Description Pin No. Symbol Pin voltage Equivalent circuit Description
EVR adjusting pin for the recording chroma level. Increasing the applied voltage reduces the gain.
Input pin for recording AFM. DC component is cut by built-in C. Input level: 125mVp-p (typ.)
After-recording mode switchover pin (High: Afterrecording) 2.3V or above 0.6V or below
Recording chroma input pin. Input after cutting DC component with C. Input level: 300mVp-p (typ.)

 

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